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Emergency Response in Chemical Casualties:
 System Approach to Effective Hospital
             Preparedness
Objectives
• Lessons Learned & Event Characteristics• Antidote and chemical stockpile
• Incident Response Requirements          • Chemical protective clothing
• Scene Safety                            • Hazmat traing trends
• Medical Management of Hazmat Victims • Summary
   – Primary Survey & Resuscitation

   – Decontamination

   – Hazmat Patient Assessment

   – Poisoning Treatment Paradigm
Lessons Learned From
Coaminated Casualties Incidents
Emergency Management Consequence Timelines
EMERGENCY INCIDENT TIMELINES

    INCIDENTS                    POTENTIAL CASUALTIES                     RESPONSES

Super Terrorism                                                          Warfare Type Ops
     - Chemical                                                           - Evacuation
     - Biological                                                         - Containment
     - Nuclear                                      - Biological          - Decontamination
     - Radiological                                                       - Quarantine
                                                                          - Vaccination
                      Tens of                          (contagious)       - Antidotes
                      Millions                                            - Detoxification

Natural Disasters                                                        State-Fed Escalation
                      Millions         - Nuclear            - Radio-
   - Flood                                                     logical    - Search & Rescue
   - Earthquake                                                           - Sustainment
   - Hurricane        Thousands                                           - Medical Triage
                                          - Chemical                      - Temp Morgue
   - Tornado
                                          -Earthquake
Criminal Terrorism
                                                         (non-              Escalation
                      Hundreds          -Hurricane       contagious)
   - Explosives                        -Tornado                            - Bomb Squad
                      Tens
                                      -Explosives
                                                   - Flood
 Everyday Life                                                           First Response
                                 Seconds Days Weeks                         - First Aid
       - Accidents                 Minutes                                  - Rescue
                                                    Months
                                     Hours                                  - Fire
<991130v30>                                                                 - Police
Bhopal Disaster
 3 Dec.1984

  8,000 died
300,000 injured
Tokyo March 20, 1995
• 5,500 People Exposed
• 3,227 Went to Hospital
• 550 Transported Via
  EMS
• Essentially no
  Decontamination of
  Patients
SARIN Clip
What kind of gas was released? …

•50 Chechen rebels, storm Moscow’s
House of Culture Theatre during a
performance of Nord-Ost, taking 700
hostages. The rebels demand Russian
withdrawal from Chechnya, and threaten
to kill the hostages if demands are not met.


•After three days of fruitless negotiations
an unknown gas, meant to incapacitate the
rebels, is released in the theatre. Most of
the rebels and 116 hostages die.

                October 26, 2002
Event Characteristics
• Most Victims are Exposed to Vapor
• No warning
• Victims Will Not Wait In Line to Decon.
• Most Decontamination Needs to be Done
  at the Hospital Not the Scene
• Mass Disaster Response Occurs With
  Local Resources
Event Characteristics
• Agent will likely be unknown
• Dry Decontamination Suitable for Most
• Only 10%-15% of Patients Via EMS
• Emergency Department Resources Limited
Most Common Fatal Injuries
– Trauma (65%)
– Thermal burns (16%)
– Respiratory irritation with airway obstruction
 &/or respiratory failure (10%)
– Chemical burns (6%)
– Other causes (3%)


         Hazardous Substances Emergency Events Surveillance (HSEES)
What is wrong with the patient
• Physical Trauma
• Exposure to Chemical HAZMAT
  – Inhalation
     • Most common
  – Skin & mucous membranes
     • Common
  – Ingestion & Injection
     • Unlikely
• Toxicity
  – Local
  – Systemic
The World Of Chemical Agents
• The vast majority of HazMat incidents
  resulting in the contamination of people
  involve common industrial chemical agents.
• The study of all potential sources of
  contamination are best supported by looking
  at these chemicals in a categorical system.
Agents Categories
1. Industrial Chemicals.
2. Chemical Warfare Agents.
3. Biological Warfare Agents.
4. Radiological Materials.
Incident Response Requirements

• Protect patients, staff, and facility
• Rapid decon
• Expert informations
• Surge capacity
• Some specialized expertise
Hospital Preparedness

    •Medicare

   •Manage care
Reasonable ≠ Adequate

 “Best possible care for victims
 while not compromising the safety
 hospital staff and current patients”
Hospital Plan
• Cost effective
• Simple as possible
• Minimized manpower
• Immediate availability
• Rapid patient processing
Scene Safety
            Hot, Warm and Cold zones
                                         You will be here. Public
                                         Health does not usually
                                        decontaminate or function
                                             in the hot zone




   Hot Zone          Warm Zone       Cold Zone
Contaminated area   Contamination   Normal function
  Need PPE            reduction
Zone rules

 Very limited treatment          Isolate
                                cadavers
before decontamination                           Control access to zones



                    Temporary
                     Morgue

                    Decontamination direction No back flow!!




   Hot Zone                Warm Zone             Cold Zone
Contaminated area         Contamination         Normal function
  Need PPE                  reduction
Medical Management of Hazmat Victims

• Primary Survey & Resuscitation

• Decontamination

• Hazmat Patient Assessment

• Poisoning Treatment Paradigm
Primary Survey & Resuscitation: The Basics

   • Airway with cervical spine control
   • Breathing
   • Circulation
   • Disability (nervous system)
   • Exposure with environmental control
Decontamination




“The process of removing or neutralizing surface contaminants that
have accumulated on personnel and equipment.”
Chemical Victim Triage
High Priority for Decontamination:
• Victims closest to point of release and reporting exposure.
• Victims showing some evidence of contamination on clothing or skin.
• Victims demonstrating serious symptoms.

Medium Priority for Decontamination:
• Victims not as close to point of release, and who have minimal
  evidence of contamination on clothing or skin.
• Victims who are mildly symptomatic.

Low Priority for Decontamination:
• Victims who are far away from point of release.
• Victims who have no verified contamination.
• Victims who are asymptomatic.
Urgency for
Medical Care


               Low risk for         High risk for
               secondary            secondary
               contamination        contamination
               Critically ill       Critically ill
               Focus on             Simultaneous
               Treatment            decontamination and
                                    treatment
               Low risk for         High risk for
               secondary            secondary
               contamination        contamination
               Mild or no illness   Mild or no illness
               Decontamination      Decontamination
               not needed           before treatment

Triage                                                    Urgency for
                                                          decontamination
General Principles
•   Decontaminate victims as soon as possible.
•   Disrobing is decontamination; head to toe, more
    removal is better.
•   Water flushing generally is the best mass
    decontamination method.
•   After a known exposure to a liquid chemical
    agent, emergency responders should be
    decontaminated as soon as possible to avoid
    serious effects.
Decontamination Site Selection
   • Outside!
   • Level impermeable surfaced area
   • Up wind
   • Water supply/collection
   • Illuminated
   • Ingress and Egress routes
Layout of Hospital
Decontamination Zone
Decontamination Station 2 lines
Decontamination Station 3 lines
Suggested Cut-Out Procedures
(Non-ambulatory Patient’s Clothing)
Ideal Decontaminants
  •   Neutralize all Agents
  •   Safe
  •   Easy to use
  •   Available
  •   Rapid acting
  •   No toxic end products
  •   Affordable
  •   No irritability
Dry Decontamination
• Remove clothing/personal effects –
  85% decon performed by this step
• Vapor or no exposure
• Removal of clothing
• Modesty concerns
• Requires     large   amounts     of
  disposable clothing
• Clothing disposition
Wet Ambulatory Decontamination
Requires only one or two personnel to perform,
primarily supervisory role
At least one person should be medically trained
May be quicker than non-ambulatory process,
should utilize about the same amount of solution
Focus on non-clothed/exposed areas
Decon wounds and bandage before entering
shower (occlusive dressing)
Wound Decontamination
Wet Ambulatory Decontamination

• Remove clothing/personal effects
• Decontaminate from head down
   – Lean head back to avoid runoff in
     eyes
• Encourage careful scrubbing of warm,
  moist regions – axilla, groin, etc.
• Rinse thoroughly, copious water
Wet Ambulatory Decontamination

• Once decontaminated, patient
  moves to cold zone staging area
• Re-clothed
• Status       monitored      until
  transport available
Do not need to decon if it
         can be confirmed that patient:



• Never in contaminated area
• Without signs and symptoms of exposure
Litter Wet Decontamination
• Requires minimum of 2-4 persons per patient
• 10 to 20 minutes per patient
• Average resources per patient: 35 – 50 gallons
• Decontamination solutions:
   – Water and Detergent
   – Hypochlorite 0.5% and 5% (do not use in eye,
     open head or abd wounds, must be made daily)
• Scrape off visible contamination
Litter Wet Decontamination
• Decontaminate with copious decontaminating fluid
• Transfer to clean stretcher
• Monitor patient and move to clean area
Litter Wet Decontamination
• Non-ambulatory patients displaying serious
  signs and symptoms
• Rapid decontamination
• 5-10 minutes per patient
Skin Decon: Special Areas
• Commonly ignored during decon
• Including
  – Scalp
  – Body hair
  – Genitalia
  – Skin creases & folds
  – Hands
  – Feet
  – Nails
CORRIDOR
          DECONTAMINATION

• The simplest solution
• The nozzles are set at low pressure and high
  volume so as not to inflict damage but which
  maximize the amount of water each victim is
  exposed to.
SPRINKLER HEAD
          DECONTAMINATION

• water delivered at 500 gallons a minute
• If the victim remains in the shower for 3
  seconds on average, and assuming the
  person is exposed to 50% of the water
• 500 gals./minute = 8 gals/second
• 8 gals./second × 3 seconds = 24 gals.
• 24 gals. × 50% = 12 gals.
Other Field-Expedient Water
     Decontamination Methods
• should not overlook existing facilities when
  identifying means for rapid decontamination
  methods.

• although water damage to a facility might occur,
  the necessity of saving lives would justify the
  activation of overhead fire sprinklers for use as
  showers.
Other Field-Expedient Water
     Decontamination Methods
• wade and wash in water sources such as public
  fountains, chlorinated swimming pools, swimming
  areas, etc., provides an effective, high-volume decon
  technique.

• Car washes with hand-held wands should also be
  considered. Water used for decontamination in
  lifesaving operations should be properly handled
  and disposed of in compliance with environmental
  and health regulations, whenever possible.
Hazmat & Children
Children: Not “Small Adults”

• Anatomical/ physiological differences
• Vital signs vary with age
• Smaller, shorter stature
  – lower “breathing zones”
• Higher minute volume
• Less intravascular volume reserve
Uniquely Vulnerable

• Greater body surface area to weight ratio
• Increased skin permeability
• More pliable skeleton
• Weight is critical in determination of:
  – drug dosages
  – fluid requirements
  – equipment sizes
Example:Decontamination of Children
•   Must be done with high-volume, low-pressure,
    heated water systems
•   Must be designed for decontamination of all
    ages and types of children
•   All protocols and guidance must address:
    –   Water temperature and pressure
    –   Nonambulatory children
    –   Children with special health care needs
    –   Clothing for after decontamination
Decon Shower- Infants
                                                                      & nonambulatory kids




Pediatric Disaster Toolkit: Hospital Guidelines for Pediatrics in Disasters
http://www.nyc.gov/html/doh/html/bhpp/bhpp-focus-ped-toolkit.shtml
Decon Shower- Child




Pediatric Disaster Toolkit: Hospital Guidelines for Pediatrics in Disasters
http://www.nyc.gov/html/doh/html/bhpp/bhpp-focus-ped-toolkit.shtml
From a Child’s Perspective?
Operations Set-up
• Arrival Point
  – Staffed by Animal Control Staff and one
    veterinary tech in appropriate PPE
  – Personnel arriving for decontamination with pets will
    be relieved of the animal
  – Animals will be evaluated for injuries and extent of
    contamination
  – Animal will be tranquilized (if necessary) for handling
    and decontamination, or will be euthanized if injuries
    are too severe
  – Disposable leash will be placed on animal and moved
    to the gross decontamination area
Operations Set-up
• Gross Decontamination Area
  – Staffed by Animal Control personnel in appropriate
    PPE
  – All collars and tags removed and discarded
  – Animal washed with soap and water solution and rinsed
  – Leash is again removed after the gross decon and
    discarded
  – Animal wrapped in large blanket or towel to prevent
    environmental exposure
  – Clean leash will be placed on animal prior to transfer to
    second decontamination area
Operations Set-up
• Second Decontamination Area
  –   Staffed with two Animal Control staff
  –   Leash and blanket or towel removed, discarded
  –   Animal sprayed with soap and water solution
  –   Clean leash and blanket placed on animal for transport to
      third decontamination area
Operations Set-up
• Third Decontamination Area
  –   Staffed with two Animal Control staff
  –   Leash and blanket removed, discarded
  –   Animal rinsed with clean water, wrapped in new blanket
  –   New leash will be placed on the animal
Operations Set-up
• Clean Area
  – Decontamination identification tags placed on animal
  – Animal evaluated by veterinarian and Animal Control staff
  – Wounds will be treated or animal will be transported to veterinary
    clinic for further treatment
  – Animals reunited with owners if possible
  – Unclaimed animals transported to Animal Shelter or other
    shelter facilities
      • Photo of animal displayed at scene
  – Contaminated deceased animals will be placed in appropriate
    container at site
      • Container will be left in hot zone for mitigation contractor
Planning for Decontamination Washwater


• Decon washwater is an issue that has gained
  prominence in the last couple of years

• Hospital washwater only one possible source
In the real world
• Hospitals required to plan for rapid influx of
  victims in mass-contamination incident
  – Increased numbers, may not be deconned prior
    to arrival, contaminant unknown or unusual
• May need to rapidly perform emergency
  mass decontamination
  – life saving, personnel/facility protection
In the real world
• Capacity for mass decon limited in most
  hospitals (a few victims)
• Proper on-site washwater management
  identified as barrier
  – containment ~ 90% of cost
  – may not solve problem anyway
What is the Problem?
• Is there a problem if decon washwater enters
  the sanitary sewer system?
  – Yes
  – No
  – Maybe, not enough information….depends on
    contaminant type/amount/concentration,
    exposure potential, impacts to wastewater
    system or environment, legal concerns
Plausible Scenario
• Hospital needs to provide urgent
  decontamination for large number victims
• Contaminant(s) uncertain or unknown
• Decon by disrobing and showering or
  flushing with copious amounts of water
• Large volume of washwater generated
• Capacity to collect and test washwater on-
  site overwhelmed
Quantitative Solution
• Attempted calculation based on plausible
  “worst-case” scenario
• 2.5 mg VX / victim -- 25% of LD50
• VX selected -- low vapor pressure and
  relative persistence
• 90% removal by disrobing
• 10:1 ratio uncontaminated to contaminated
  victims
Quantitative Solution
• 1000 victims x 10 gal/person = 37854 liters
• 100 contaminated with 2.5 mg VX = 250 mg
• 90% removed with disrobing = 25 mg
• 25 mg/37854 L = 0.00066 ppm = 0.66 ppb
  at most concentrated point
Quantitative Solution
• is this (0.66 ppb VX) a problem?
• Is this the worst case?
• have we considered all down stream issues?
• could other contaminants be worse?
Key Uncertainties
• Scenario Uncertainties –
  – how many victims total?
  – at what rate?
  – how much contamination?
  – how much water used?
  – amount of dilution in system?
  – effects of treatment processes (e.g., retention
    time for short-lived radionuclides)
Key Uncertainties
• Contaminant(s) unknown
  –   Amount (total and concentration)
  –   Behavior/fate
  –   Exposure potential
  –   Toxicity
  –   Treatability
  –   Impacts on people, system, environment
• May not have opportunity to test waste stream for
  hazardous properties and make treatment or
  disposal decisions
Problem Summary
• Theoretical hazard – nature and magnitude
  of downstream risks uncertain
• Hazard-specific assessment not be possible
  during incident
• Decisions must be made rapidly based on
  limited,   if   any,   information  about
  contaminants
Nopparat capacity
• 12 Non ambuatory victims per hour
• 48 Ambulatory victims per hour
• Ability to CPR 6 Pts. at Red Zone
• Information services (MSDS)
• Chemical (antidote) stockpile in term
  of Network ( local, regional )
• Level C and PPE
• Health surveillance for Decon team
  and Hazmat team
Hazmat Patient Assessment

• Occurs concurrently
• Only once Resuscitated and Stable
• Patient history
• Secondary survey
Secondary Survey

• Identify poisoning complications

• Recognize preexistent problems

• Assess for trauma & burns

• Recognize toxic syndromes (toxidromes)
Identify Poisoning Complications
• Airway Insufficiency
   – Ammonia etc.
• Breathing Insufficiency
   – Aspiration pneumonitis, Noncardiogenic pulmonary edema
   – Sarin, Phosgene etc.
• Cardiovascular
   – Bradydysrythmias, Tachydysrythmias, Hypotension, Hypertension

• Disability (nervous system)
   – Confusion, Agitated delirium, Combativeness, Seizures, Coma
   – Weakness, Paralysis, Sarin, etc   .
• Elimination (liver & kidneys)
Preexistent Problems
• Airway              • Disability
  – Overbite             – Epilepsy
  – Small jaw         • Elimination
  – Big tongue
                         – Renal failure
• Breathing
                         – Liver failure
  – Asthma
  – COPD
• Cardiovascular
  – Coronary Artery
    Disease (CAD)
  – Anemia
Recognize Toxic Syndromes
• Toxic + syndrome = Toxidrome
• 5 fundamental hazmat toxidromes
  – Irritant gas
  – Asphyxiant
  – Cholinergic
  – Corrosive
  – Hydrocarbon &         halogenated
    hydrocarbon
Antidotes
• There is no
                       for 99% of Chemicals
• There is only supportive treatment for 99%
  of Chemicals
• There are standard WHO guidelines for
  antidotes in an industrial setting, where
  chemicals enter through lungs or skin
Only Supportive treatment
   No Antidotes for following
• Ammonia
• Chlorine
• Hydrogen sulphide
• Phosgene
• Carbon monoxide
• Nitrogen Oxides
• Formalin
• Acids
Chemical Protective Clothing
Levels of Protection

Greater Hazard
Level     Level   Level   Level
  A         B      C       D




Higher Burden
Hazmat PPE
• Levels of PPE
  – A:   big suit, big tank
  – B:   little suit, big tank
  – C:   little suit, little mask
  – D:   no suit, no mask
• Level A for entry
• Level C for known hazard
• Level B or C for unknown?
Selecting the Correct Glove
MATERIAL of CPC   GOOD FOR   POOR FOR
MATERIAL   GOOD FOR
                      POOR FOR
MATERIAL   GOOD FOR
                      POOR FOR
Results of Alternate Protective Clothing
                  Performance Test
                  Possible alternate           Defense capability                        Remarks
Classification
                  material
                                               Method 204             Method 206
                                               (Blister resistance)   (Gas resistance)
Military standard (butyl coated texture for    100 min                200 min            Defense
                                                                                         ministry
protective clothing)                                                                     standard

Military use      Officer’s raincoat           2 min                  2 min

                  Sapper’s raincoat, poncho    7 min                  7 min


                  Disposable protective suit   14 min                 14 min             Tyvek

                  Disposable raincoat          2 min                  2 min
Civilian use
                  Sae-ma-eul raincoat          5 min                  5 min

                  Transparent raincoat         6 min                  6 min

                  Raincoat                     11 min                 11 min

                  Gentlemen’s raincoat         10 min                 10 min

                  Sportswear raincoat          17 min                 17 min
Results of Alternate Protective hood/ Overboots/
         Protective gloves Performance Test
                                                                    Defense capability
                                                                                               Remarks
Classification       Possible alternate material               Method 204        Method 206
                                                               (Blister          (Gas
                                                               resistance)       resistance)
                 Military Standard
                 (butyl coated   texture   for   protective     30 min             30 min      Military
                                                                                               Standard
                 clothing)
 Protective               Black plastic bag                      2 min             4 min
 hood
                      Supermarket plastic bag                    2 min             5 min

                       Standard garbage bag                      6 min             10min

                          Military Standard                     360 min           450 min
 Protective
 Gloves                Taewha rubber gloves                     25 min             50 min

                      Goeunson rubber gloves                    25 min             42 min

                          Military standard                     360 min           450 min
 Overboots
                           Farmer’s boots                     100~120 min         210 min

                            Regular boots                       220 min           230 min
Results of Covers/ Adhesive Tapes
              Performance Test
                                                     Defense capability
                     Possible
Classification       alternate                                                      Remarks
                     material         Method 204                 Method 206
                                      (Blister resistance)       (Gas resistance)


                 Military   vehicle
                                             1 min                Less than 1 min
                 cover


                   Agricultural
   Covers
                   Vinyl                    10 min                    12 min
                   plastic cover


                 Industrial Vinyl
                                             2 min                        3 min
                 plastic cover


                   Transparent
                                           100 min                 Over 240 min
  Adhesive         tape
  Tapes

                     Blue tape              25 min                    50 min
Effect of Overlapping Vinyl Plastic Covers

                Classification                   One layer   Double layers   Triple layers




                           Method 204
                                                  10 min        26 min         40 min
                          (Blister Resistance)
Agricultural Vinyl
 plastic cover
(thickness: 0.1 mm)
                           Method 206                                            104 min
                           (Gas Resistance)       12 min        50 min




                          Method 204
                                                  2 min         7 min          14 min
                          (Blister Resistance)
Industrial Vinyl
plastic cover
(thickness: 0.05 mm)

                           Method 206             3 min         14min          38 min
                           (Gas Resistance)
Agricultural Vinyl plastic cover (one layer) added
                   Cover/Raincoats
                                                                  Double layers
                                One layer
                                                                  Triple layers
  Classification
                     Original          Vinyl plastic
                                                       Original            Vinyl Plastic
                     material          cover added
                                                       material            cover added


Military   vehicle
                      1 min                 50 min      1 min                     20 min
cover



Officer’s raincoat    2 min                 33 min      2 min                     50 min



Sapper’s
                      7 min                 55 min     14 min                     180 min
raincoat/ poncho


  Gentlemen’s                                                                     68 min
                      4 min                 45 min      5 min
  raincoat
Evatox™ NBC hoods for civiliansBaby Safe Pro Infant Protective Wrap
โรงพยาบาลนพรัตนราชธานีกับเครือข่ายศูนย์พิษแห่งชาติ
โรงพยาบาลลาปาง

                    โรงพยาบาลขอนแก่น

                    โรงพยาบาลนพรัตนราชธานี

                    โรงพยาบาลระยอง


                     โรงพยาบาลหาดใหญ่

รูปภาพแสดงเครือข่ายศูนย์พิษแห่งชาติ
ศูนย์พิษวิทยา โรงพยาบาลนพรัตนราชธานี

ข้อมูลข่าวสาร            ศูนย์ข้อมูลด้านพิษสาหรับประชาชน
                         บุคลากรทางการแพทย์
                         เครือข่าย

การรักษาพยาบาล           การให้ความช่วยเหลือในที่เกิดเหตุ
                         การรับส่งต่อในกรณีทางวิชาการ


เฝ้าระวังและควบคุม       จัดทาข้อมูล GIS นาสถิติภัยหรือ
                         โรคจากสารพิษมาวางแผนงาน
ศูนย์พิษวิทยา โรงพยาบาลนพรัตนราชธานี

                          การซ้อมแผน
การฝึกอบรม
                          การประชุมวิชาการ


                          การจัดประชุมเครือข่าย
 การประสานเครือข่าย
                          ระดับภูมิภาค
                          การจัดประชุมเครือข่าย
                          ระดับประเทศ

 ห้องปฏิบัติการ           การประสานเครือข่าย สร้าง
                          มาตรฐาน ใช้ทรัพยากรร่วมกัน
ผลของการจัดประชุมเครือข่ายระดับภูมภาค
                                          ิ
•   อยากให้มีการแบ่งระดับศูนย์พิษ
•   อยากให้มีนโยบายที่ชัดเจน และ มีการถ่ายทอดให้กบผู้บริหาร
                                                      ั
•   อยากให้มีการสนับสนุนเรื่องงบประมาณ
•   ต้องการให้มีการซ้อมแผน
•   ให้ศูนย์พิษขึ้นกับอาชีวก่อนในชั้นแรก
•   ผู้ปฏิบัติควรเป็น แพทย์และเจ้าหน้าที่ห้องฉุกเฉิน อาชีวจะให้ข้อมูลด้าน
    พิษ
ห้องปฏิบัติการ
• มีการประสานเครือข่ายห้องปฏิบัติการ
• มีการจัดทามาตรฐานห้องปฏิบัติการ
• มีระบบส่งต่อตัวอย่างเพื่อการตรวจ
• ห้องปฏิบัติการควรไปเป็นกลุ่มกับระดับของศูนย์พิษแม่ข่ายของตนเอง
  เพื่อง่ายต่อการบริหารจัดการ
• ในการประชุมเครือข่ายควรนาเรื่องห้องปฏิบัติการเข้าประชุมด้วย
Common pitfalls in Hazmat Drill




          In a drill , hospital personnel treated
          patients without wearing PPE
Common pitfalls in Hazmat Drill




 In a drill, contaminated patients would be sent
 to a designated hospital, but in reality……
Overlook the time
required for actions


Before a drill, responders
wear PPE and waited for
the signal.
Man dropped bucket of silver paint that splattered onto areas of
body commonly ignored or forgotten during decon.
                                           Photo credit: Mike Vance, MD
Can of mace went off in pants pocket & pants not removed in timely
manner.                                      Photo credit: Mike Vance, MD
What can happen if genitals are forgotten during decontamination.
                                               Photo credit: Mike Vance, MD
What can happen if skin folds are forgotten during decon.
                                        Photo credit: Mike Vance, MD
Close-up of what can happen if skin folds are forgotten during decon.
                                                Photo credit: Mike Vance, MD
What can happen if feet are forgotten during decon.
                                        Photo credit: Mike Vance, MD
Eye Decon

• Irrigate exposed, symptomatic eyes
  immediately & continuously
  – Use water or saline
     •Water is best
       – Readily available in large quantity
       – Efficient
• Check for & remove contact lenses
Mild corneal chemical burn
 Fluorescein indicates corneal burn site
    Adjacent chemical conjunctivitis
                                   Photo credit: Mike Vance, MD
Severe corneal chemical burn
          Opaque cornea
             Blind eye       Photo credit: Mike Vance, MD
 Requires cadaver corneal transplant
HAZMAT Training Trends
Summary
• Physical removal is BEST decon
• Must plan for patient decon at all aspects of care
• Decon process is resource intensive and must be
  planned and practiced in advanced
• Identify and train personnel early
• Learn benefits of coordination with medical assets
  in your hospital and region

     Prior Planning Prevents Poor Performance

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Medical Management Of Chemical Casualties

  • 1. Emergency Response in Chemical Casualties: System Approach to Effective Hospital Preparedness
  • 2. Objectives • Lessons Learned & Event Characteristics• Antidote and chemical stockpile • Incident Response Requirements • Chemical protective clothing • Scene Safety • Hazmat traing trends • Medical Management of Hazmat Victims • Summary – Primary Survey & Resuscitation – Decontamination – Hazmat Patient Assessment – Poisoning Treatment Paradigm
  • 3. Lessons Learned From Coaminated Casualties Incidents
  • 4. Emergency Management Consequence Timelines EMERGENCY INCIDENT TIMELINES INCIDENTS POTENTIAL CASUALTIES RESPONSES Super Terrorism Warfare Type Ops - Chemical - Evacuation - Biological - Containment - Nuclear - Biological - Decontamination - Radiological - Quarantine - Vaccination Tens of (contagious) - Antidotes Millions - Detoxification Natural Disasters State-Fed Escalation Millions - Nuclear - Radio- - Flood logical - Search & Rescue - Earthquake - Sustainment - Hurricane Thousands - Medical Triage - Chemical - Temp Morgue - Tornado -Earthquake Criminal Terrorism (non- Escalation Hundreds -Hurricane contagious) - Explosives -Tornado - Bomb Squad Tens -Explosives - Flood Everyday Life First Response Seconds Days Weeks - First Aid - Accidents Minutes - Rescue Months Hours - Fire <991130v30> - Police
  • 5. Bhopal Disaster 3 Dec.1984 8,000 died 300,000 injured
  • 6. Tokyo March 20, 1995 • 5,500 People Exposed • 3,227 Went to Hospital • 550 Transported Via EMS • Essentially no Decontamination of Patients
  • 8. What kind of gas was released? … •50 Chechen rebels, storm Moscow’s House of Culture Theatre during a performance of Nord-Ost, taking 700 hostages. The rebels demand Russian withdrawal from Chechnya, and threaten to kill the hostages if demands are not met. •After three days of fruitless negotiations an unknown gas, meant to incapacitate the rebels, is released in the theatre. Most of the rebels and 116 hostages die. October 26, 2002
  • 9. Event Characteristics • Most Victims are Exposed to Vapor • No warning • Victims Will Not Wait In Line to Decon. • Most Decontamination Needs to be Done at the Hospital Not the Scene • Mass Disaster Response Occurs With Local Resources
  • 10. Event Characteristics • Agent will likely be unknown • Dry Decontamination Suitable for Most • Only 10%-15% of Patients Via EMS • Emergency Department Resources Limited
  • 11. Most Common Fatal Injuries – Trauma (65%) – Thermal burns (16%) – Respiratory irritation with airway obstruction &/or respiratory failure (10%) – Chemical burns (6%) – Other causes (3%) Hazardous Substances Emergency Events Surveillance (HSEES)
  • 12. What is wrong with the patient • Physical Trauma • Exposure to Chemical HAZMAT – Inhalation • Most common – Skin & mucous membranes • Common – Ingestion & Injection • Unlikely • Toxicity – Local – Systemic
  • 13. The World Of Chemical Agents • The vast majority of HazMat incidents resulting in the contamination of people involve common industrial chemical agents. • The study of all potential sources of contamination are best supported by looking at these chemicals in a categorical system.
  • 14. Agents Categories 1. Industrial Chemicals. 2. Chemical Warfare Agents. 3. Biological Warfare Agents. 4. Radiological Materials.
  • 15. Incident Response Requirements • Protect patients, staff, and facility • Rapid decon • Expert informations • Surge capacity • Some specialized expertise
  • 16. Hospital Preparedness •Medicare •Manage care
  • 17. Reasonable ≠ Adequate “Best possible care for victims while not compromising the safety hospital staff and current patients”
  • 18. Hospital Plan • Cost effective • Simple as possible • Minimized manpower • Immediate availability • Rapid patient processing
  • 19. Scene Safety Hot, Warm and Cold zones You will be here. Public Health does not usually decontaminate or function in the hot zone Hot Zone Warm Zone Cold Zone Contaminated area Contamination Normal function Need PPE reduction
  • 20. Zone rules Very limited treatment Isolate cadavers before decontamination Control access to zones Temporary Morgue Decontamination direction No back flow!! Hot Zone Warm Zone Cold Zone Contaminated area Contamination Normal function Need PPE reduction
  • 21. Medical Management of Hazmat Victims • Primary Survey & Resuscitation • Decontamination • Hazmat Patient Assessment • Poisoning Treatment Paradigm
  • 22. Primary Survey & Resuscitation: The Basics • Airway with cervical spine control • Breathing • Circulation • Disability (nervous system) • Exposure with environmental control
  • 23. Decontamination “The process of removing or neutralizing surface contaminants that have accumulated on personnel and equipment.”
  • 24. Chemical Victim Triage High Priority for Decontamination: • Victims closest to point of release and reporting exposure. • Victims showing some evidence of contamination on clothing or skin. • Victims demonstrating serious symptoms. Medium Priority for Decontamination: • Victims not as close to point of release, and who have minimal evidence of contamination on clothing or skin. • Victims who are mildly symptomatic. Low Priority for Decontamination: • Victims who are far away from point of release. • Victims who have no verified contamination. • Victims who are asymptomatic.
  • 25. Urgency for Medical Care Low risk for High risk for secondary secondary contamination contamination Critically ill Critically ill Focus on Simultaneous Treatment decontamination and treatment Low risk for High risk for secondary secondary contamination contamination Mild or no illness Mild or no illness Decontamination Decontamination not needed before treatment Triage Urgency for decontamination
  • 26. General Principles • Decontaminate victims as soon as possible. • Disrobing is decontamination; head to toe, more removal is better. • Water flushing generally is the best mass decontamination method. • After a known exposure to a liquid chemical agent, emergency responders should be decontaminated as soon as possible to avoid serious effects.
  • 27. Decontamination Site Selection • Outside! • Level impermeable surfaced area • Up wind • Water supply/collection • Illuminated • Ingress and Egress routes
  • 32. Ideal Decontaminants • Neutralize all Agents • Safe • Easy to use • Available • Rapid acting • No toxic end products • Affordable • No irritability
  • 33. Dry Decontamination • Remove clothing/personal effects – 85% decon performed by this step • Vapor or no exposure • Removal of clothing • Modesty concerns • Requires large amounts of disposable clothing • Clothing disposition
  • 34. Wet Ambulatory Decontamination Requires only one or two personnel to perform, primarily supervisory role At least one person should be medically trained May be quicker than non-ambulatory process, should utilize about the same amount of solution Focus on non-clothed/exposed areas Decon wounds and bandage before entering shower (occlusive dressing)
  • 36. Wet Ambulatory Decontamination • Remove clothing/personal effects • Decontaminate from head down – Lean head back to avoid runoff in eyes • Encourage careful scrubbing of warm, moist regions – axilla, groin, etc. • Rinse thoroughly, copious water
  • 37. Wet Ambulatory Decontamination • Once decontaminated, patient moves to cold zone staging area • Re-clothed • Status monitored until transport available
  • 38.
  • 39. Do not need to decon if it can be confirmed that patient: • Never in contaminated area • Without signs and symptoms of exposure
  • 40. Litter Wet Decontamination • Requires minimum of 2-4 persons per patient • 10 to 20 minutes per patient • Average resources per patient: 35 – 50 gallons • Decontamination solutions: – Water and Detergent – Hypochlorite 0.5% and 5% (do not use in eye, open head or abd wounds, must be made daily) • Scrape off visible contamination
  • 41. Litter Wet Decontamination • Decontaminate with copious decontaminating fluid • Transfer to clean stretcher • Monitor patient and move to clean area
  • 42. Litter Wet Decontamination • Non-ambulatory patients displaying serious signs and symptoms • Rapid decontamination • 5-10 minutes per patient
  • 43. Skin Decon: Special Areas • Commonly ignored during decon • Including – Scalp – Body hair – Genitalia – Skin creases & folds – Hands – Feet – Nails
  • 44. CORRIDOR DECONTAMINATION • The simplest solution • The nozzles are set at low pressure and high volume so as not to inflict damage but which maximize the amount of water each victim is exposed to.
  • 45. SPRINKLER HEAD DECONTAMINATION • water delivered at 500 gallons a minute • If the victim remains in the shower for 3 seconds on average, and assuming the person is exposed to 50% of the water • 500 gals./minute = 8 gals/second • 8 gals./second × 3 seconds = 24 gals. • 24 gals. × 50% = 12 gals.
  • 46.
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  • 48.
  • 49. Other Field-Expedient Water Decontamination Methods • should not overlook existing facilities when identifying means for rapid decontamination methods. • although water damage to a facility might occur, the necessity of saving lives would justify the activation of overhead fire sprinklers for use as showers.
  • 50. Other Field-Expedient Water Decontamination Methods • wade and wash in water sources such as public fountains, chlorinated swimming pools, swimming areas, etc., provides an effective, high-volume decon technique. • Car washes with hand-held wands should also be considered. Water used for decontamination in lifesaving operations should be properly handled and disposed of in compliance with environmental and health regulations, whenever possible.
  • 51.
  • 53. Children: Not “Small Adults” • Anatomical/ physiological differences • Vital signs vary with age • Smaller, shorter stature – lower “breathing zones” • Higher minute volume • Less intravascular volume reserve
  • 54. Uniquely Vulnerable • Greater body surface area to weight ratio • Increased skin permeability • More pliable skeleton • Weight is critical in determination of: – drug dosages – fluid requirements – equipment sizes
  • 55. Example:Decontamination of Children • Must be done with high-volume, low-pressure, heated water systems • Must be designed for decontamination of all ages and types of children • All protocols and guidance must address: – Water temperature and pressure – Nonambulatory children – Children with special health care needs – Clothing for after decontamination
  • 56. Decon Shower- Infants & nonambulatory kids Pediatric Disaster Toolkit: Hospital Guidelines for Pediatrics in Disasters http://www.nyc.gov/html/doh/html/bhpp/bhpp-focus-ped-toolkit.shtml
  • 57. Decon Shower- Child Pediatric Disaster Toolkit: Hospital Guidelines for Pediatrics in Disasters http://www.nyc.gov/html/doh/html/bhpp/bhpp-focus-ped-toolkit.shtml
  • 58. From a Child’s Perspective?
  • 59.
  • 60. Operations Set-up • Arrival Point – Staffed by Animal Control Staff and one veterinary tech in appropriate PPE – Personnel arriving for decontamination with pets will be relieved of the animal – Animals will be evaluated for injuries and extent of contamination – Animal will be tranquilized (if necessary) for handling and decontamination, or will be euthanized if injuries are too severe – Disposable leash will be placed on animal and moved to the gross decontamination area
  • 61. Operations Set-up • Gross Decontamination Area – Staffed by Animal Control personnel in appropriate PPE – All collars and tags removed and discarded – Animal washed with soap and water solution and rinsed – Leash is again removed after the gross decon and discarded – Animal wrapped in large blanket or towel to prevent environmental exposure – Clean leash will be placed on animal prior to transfer to second decontamination area
  • 62. Operations Set-up • Second Decontamination Area – Staffed with two Animal Control staff – Leash and blanket or towel removed, discarded – Animal sprayed with soap and water solution – Clean leash and blanket placed on animal for transport to third decontamination area
  • 63. Operations Set-up • Third Decontamination Area – Staffed with two Animal Control staff – Leash and blanket removed, discarded – Animal rinsed with clean water, wrapped in new blanket – New leash will be placed on the animal
  • 64. Operations Set-up • Clean Area – Decontamination identification tags placed on animal – Animal evaluated by veterinarian and Animal Control staff – Wounds will be treated or animal will be transported to veterinary clinic for further treatment – Animals reunited with owners if possible – Unclaimed animals transported to Animal Shelter or other shelter facilities • Photo of animal displayed at scene – Contaminated deceased animals will be placed in appropriate container at site • Container will be left in hot zone for mitigation contractor
  • 65. Planning for Decontamination Washwater • Decon washwater is an issue that has gained prominence in the last couple of years • Hospital washwater only one possible source
  • 66. In the real world • Hospitals required to plan for rapid influx of victims in mass-contamination incident – Increased numbers, may not be deconned prior to arrival, contaminant unknown or unusual • May need to rapidly perform emergency mass decontamination – life saving, personnel/facility protection
  • 67. In the real world • Capacity for mass decon limited in most hospitals (a few victims) • Proper on-site washwater management identified as barrier – containment ~ 90% of cost – may not solve problem anyway
  • 68. What is the Problem? • Is there a problem if decon washwater enters the sanitary sewer system? – Yes – No – Maybe, not enough information….depends on contaminant type/amount/concentration, exposure potential, impacts to wastewater system or environment, legal concerns
  • 69. Plausible Scenario • Hospital needs to provide urgent decontamination for large number victims • Contaminant(s) uncertain or unknown • Decon by disrobing and showering or flushing with copious amounts of water • Large volume of washwater generated • Capacity to collect and test washwater on- site overwhelmed
  • 70. Quantitative Solution • Attempted calculation based on plausible “worst-case” scenario • 2.5 mg VX / victim -- 25% of LD50 • VX selected -- low vapor pressure and relative persistence • 90% removal by disrobing • 10:1 ratio uncontaminated to contaminated victims
  • 71. Quantitative Solution • 1000 victims x 10 gal/person = 37854 liters • 100 contaminated with 2.5 mg VX = 250 mg • 90% removed with disrobing = 25 mg • 25 mg/37854 L = 0.00066 ppm = 0.66 ppb at most concentrated point
  • 72. Quantitative Solution • is this (0.66 ppb VX) a problem? • Is this the worst case? • have we considered all down stream issues? • could other contaminants be worse?
  • 73. Key Uncertainties • Scenario Uncertainties – – how many victims total? – at what rate? – how much contamination? – how much water used? – amount of dilution in system? – effects of treatment processes (e.g., retention time for short-lived radionuclides)
  • 74. Key Uncertainties • Contaminant(s) unknown – Amount (total and concentration) – Behavior/fate – Exposure potential – Toxicity – Treatability – Impacts on people, system, environment • May not have opportunity to test waste stream for hazardous properties and make treatment or disposal decisions
  • 75. Problem Summary • Theoretical hazard – nature and magnitude of downstream risks uncertain • Hazard-specific assessment not be possible during incident • Decisions must be made rapidly based on limited, if any, information about contaminants
  • 76. Nopparat capacity • 12 Non ambuatory victims per hour • 48 Ambulatory victims per hour • Ability to CPR 6 Pts. at Red Zone • Information services (MSDS) • Chemical (antidote) stockpile in term of Network ( local, regional ) • Level C and PPE • Health surveillance for Decon team and Hazmat team
  • 77. Hazmat Patient Assessment • Occurs concurrently • Only once Resuscitated and Stable • Patient history • Secondary survey
  • 78. Secondary Survey • Identify poisoning complications • Recognize preexistent problems • Assess for trauma & burns • Recognize toxic syndromes (toxidromes)
  • 79. Identify Poisoning Complications • Airway Insufficiency – Ammonia etc. • Breathing Insufficiency – Aspiration pneumonitis, Noncardiogenic pulmonary edema – Sarin, Phosgene etc. • Cardiovascular – Bradydysrythmias, Tachydysrythmias, Hypotension, Hypertension • Disability (nervous system) – Confusion, Agitated delirium, Combativeness, Seizures, Coma – Weakness, Paralysis, Sarin, etc . • Elimination (liver & kidneys)
  • 80. Preexistent Problems • Airway • Disability – Overbite – Epilepsy – Small jaw • Elimination – Big tongue – Renal failure • Breathing – Liver failure – Asthma – COPD • Cardiovascular – Coronary Artery Disease (CAD) – Anemia
  • 81. Recognize Toxic Syndromes • Toxic + syndrome = Toxidrome • 5 fundamental hazmat toxidromes – Irritant gas – Asphyxiant – Cholinergic – Corrosive – Hydrocarbon & halogenated hydrocarbon
  • 82. Antidotes • There is no for 99% of Chemicals • There is only supportive treatment for 99% of Chemicals • There are standard WHO guidelines for antidotes in an industrial setting, where chemicals enter through lungs or skin
  • 83. Only Supportive treatment No Antidotes for following • Ammonia • Chlorine • Hydrogen sulphide • Phosgene • Carbon monoxide • Nitrogen Oxides • Formalin • Acids
  • 84.
  • 85.
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  • 87.
  • 88.
  • 90. Levels of Protection Greater Hazard Level Level Level Level A B C D Higher Burden
  • 91. Hazmat PPE • Levels of PPE – A: big suit, big tank – B: little suit, big tank – C: little suit, little mask – D: no suit, no mask • Level A for entry • Level C for known hazard • Level B or C for unknown?
  • 92.
  • 94.
  • 95. MATERIAL of CPC GOOD FOR POOR FOR
  • 96. MATERIAL GOOD FOR POOR FOR
  • 97. MATERIAL GOOD FOR POOR FOR
  • 98. Results of Alternate Protective Clothing Performance Test Possible alternate Defense capability Remarks Classification material Method 204 Method 206 (Blister resistance) (Gas resistance) Military standard (butyl coated texture for 100 min 200 min Defense ministry protective clothing) standard Military use Officer’s raincoat 2 min 2 min Sapper’s raincoat, poncho 7 min 7 min Disposable protective suit 14 min 14 min Tyvek Disposable raincoat 2 min 2 min Civilian use Sae-ma-eul raincoat 5 min 5 min Transparent raincoat 6 min 6 min Raincoat 11 min 11 min Gentlemen’s raincoat 10 min 10 min Sportswear raincoat 17 min 17 min
  • 99. Results of Alternate Protective hood/ Overboots/ Protective gloves Performance Test Defense capability Remarks Classification Possible alternate material Method 204 Method 206 (Blister (Gas resistance) resistance) Military Standard (butyl coated texture for protective 30 min 30 min Military Standard clothing) Protective Black plastic bag 2 min 4 min hood Supermarket plastic bag 2 min 5 min Standard garbage bag 6 min 10min Military Standard 360 min 450 min Protective Gloves Taewha rubber gloves 25 min 50 min Goeunson rubber gloves 25 min 42 min Military standard 360 min 450 min Overboots Farmer’s boots 100~120 min 210 min Regular boots 220 min 230 min
  • 100. Results of Covers/ Adhesive Tapes Performance Test Defense capability Possible Classification alternate Remarks material Method 204 Method 206 (Blister resistance) (Gas resistance) Military vehicle 1 min Less than 1 min cover Agricultural Covers Vinyl 10 min 12 min plastic cover Industrial Vinyl 2 min 3 min plastic cover Transparent 100 min Over 240 min Adhesive tape Tapes Blue tape 25 min 50 min
  • 101. Effect of Overlapping Vinyl Plastic Covers Classification One layer Double layers Triple layers Method 204 10 min 26 min 40 min (Blister Resistance) Agricultural Vinyl plastic cover (thickness: 0.1 mm) Method 206 104 min (Gas Resistance) 12 min 50 min Method 204 2 min 7 min 14 min (Blister Resistance) Industrial Vinyl plastic cover (thickness: 0.05 mm) Method 206 3 min 14min 38 min (Gas Resistance)
  • 102. Agricultural Vinyl plastic cover (one layer) added Cover/Raincoats Double layers One layer Triple layers Classification Original Vinyl plastic Original Vinyl Plastic material cover added material cover added Military vehicle 1 min 50 min 1 min 20 min cover Officer’s raincoat 2 min 33 min 2 min 50 min Sapper’s 7 min 55 min 14 min 180 min raincoat/ poncho Gentlemen’s 68 min 4 min 45 min 5 min raincoat
  • 103.
  • 104.
  • 105. Evatox™ NBC hoods for civiliansBaby Safe Pro Infant Protective Wrap
  • 106.
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  • 109.
  • 110. โรงพยาบาลลาปาง โรงพยาบาลขอนแก่น โรงพยาบาลนพรัตนราชธานี โรงพยาบาลระยอง โรงพยาบาลหาดใหญ่ รูปภาพแสดงเครือข่ายศูนย์พิษแห่งชาติ
  • 111. ศูนย์พิษวิทยา โรงพยาบาลนพรัตนราชธานี ข้อมูลข่าวสาร ศูนย์ข้อมูลด้านพิษสาหรับประชาชน บุคลากรทางการแพทย์ เครือข่าย การรักษาพยาบาล การให้ความช่วยเหลือในที่เกิดเหตุ การรับส่งต่อในกรณีทางวิชาการ เฝ้าระวังและควบคุม จัดทาข้อมูล GIS นาสถิติภัยหรือ โรคจากสารพิษมาวางแผนงาน
  • 112. ศูนย์พิษวิทยา โรงพยาบาลนพรัตนราชธานี การซ้อมแผน การฝึกอบรม การประชุมวิชาการ การจัดประชุมเครือข่าย การประสานเครือข่าย ระดับภูมิภาค การจัดประชุมเครือข่าย ระดับประเทศ ห้องปฏิบัติการ การประสานเครือข่าย สร้าง มาตรฐาน ใช้ทรัพยากรร่วมกัน
  • 113. ผลของการจัดประชุมเครือข่ายระดับภูมภาค ิ • อยากให้มีการแบ่งระดับศูนย์พิษ • อยากให้มีนโยบายที่ชัดเจน และ มีการถ่ายทอดให้กบผู้บริหาร ั • อยากให้มีการสนับสนุนเรื่องงบประมาณ • ต้องการให้มีการซ้อมแผน • ให้ศูนย์พิษขึ้นกับอาชีวก่อนในชั้นแรก • ผู้ปฏิบัติควรเป็น แพทย์และเจ้าหน้าที่ห้องฉุกเฉิน อาชีวจะให้ข้อมูลด้าน พิษ
  • 114. ห้องปฏิบัติการ • มีการประสานเครือข่ายห้องปฏิบัติการ • มีการจัดทามาตรฐานห้องปฏิบัติการ • มีระบบส่งต่อตัวอย่างเพื่อการตรวจ • ห้องปฏิบัติการควรไปเป็นกลุ่มกับระดับของศูนย์พิษแม่ข่ายของตนเอง เพื่อง่ายต่อการบริหารจัดการ • ในการประชุมเครือข่ายควรนาเรื่องห้องปฏิบัติการเข้าประชุมด้วย
  • 115.
  • 116.
  • 117.
  • 118.
  • 119.
  • 120. Common pitfalls in Hazmat Drill In a drill , hospital personnel treated patients without wearing PPE
  • 121. Common pitfalls in Hazmat Drill In a drill, contaminated patients would be sent to a designated hospital, but in reality……
  • 122. Overlook the time required for actions Before a drill, responders wear PPE and waited for the signal.
  • 123. Man dropped bucket of silver paint that splattered onto areas of body commonly ignored or forgotten during decon. Photo credit: Mike Vance, MD
  • 124. Can of mace went off in pants pocket & pants not removed in timely manner. Photo credit: Mike Vance, MD
  • 125. What can happen if genitals are forgotten during decontamination. Photo credit: Mike Vance, MD
  • 126. What can happen if skin folds are forgotten during decon. Photo credit: Mike Vance, MD
  • 127. Close-up of what can happen if skin folds are forgotten during decon. Photo credit: Mike Vance, MD
  • 128. What can happen if feet are forgotten during decon. Photo credit: Mike Vance, MD
  • 129. Eye Decon • Irrigate exposed, symptomatic eyes immediately & continuously – Use water or saline •Water is best – Readily available in large quantity – Efficient • Check for & remove contact lenses
  • 130. Mild corneal chemical burn  Fluorescein indicates corneal burn site  Adjacent chemical conjunctivitis Photo credit: Mike Vance, MD
  • 131. Severe corneal chemical burn  Opaque cornea  Blind eye Photo credit: Mike Vance, MD  Requires cadaver corneal transplant
  • 133.
  • 134.
  • 135. Summary • Physical removal is BEST decon • Must plan for patient decon at all aspects of care • Decon process is resource intensive and must be planned and practiced in advanced • Identify and train personnel early • Learn benefits of coordination with medical assets in your hospital and region Prior Planning Prevents Poor Performance