Pneumostaph45

Streptococcus pneumoniae Staphylococci Faculty: Dr. Alvin Fox www.freelivedoctor.com

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],KEYWORDS www.freelivedoctor.com

S. pneumoniae www.freelivedoctor.com

S. pneumoniae ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

S. pneumoniae ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Diagnosis - spinal fluid ,[object Object],[object Object],www.freelivedoctor.com

Autolysis - identification Bile peptidoglycan cell membrane lipoteichoic acid teichoic acid -choline autolysin www.freelivedoctor.com

C polysaccharide ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Not optochin sensitive optochin sensitive Identification www.freelivedoctor.com

Capsule ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Capsule ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Quellung reaction ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Pathogenesis ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Therapy ,[object Object],[object Object],[object Object],www.freelivedoctor.com

STAPHYLOCOCCI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Staphylococcus aureus www.freelivedoctor.com

One of commonest opportunistic infections - hospital and community : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Food poisoning ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Food poisoning ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Toxic shock syndrome ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Toxic shock syndrome ,[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

S. aureus ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Lytic exotoxins: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Protein A inhibits phagocytosis Protein A immunoglobulin Fc receptor BACTERIUM PHAGOCYTE www.freelivedoctor.com

Spread ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Identification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Staphylococcus epidermidis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Identification ,[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

Staphylococcus saprophyticus ,[object Object],[object Object],[object Object],www.freelivedoctor.com

Antibiotic therapy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],www.freelivedoctor.com

GRAM POSITIVE COCCI S. aureus  hemolytic mannitol yellow + - Staphylococcus (Clusters) Streptococcus (pairs & chains) Catalase BETA: Bacitracin S. pyogenes (group A) CAMP/ Hippurate S. agalactiae (group B) Hemolysis Coagulase S. epidermidis nonhemolytic (usually) mannitol white ALPHA: Optochin /Bile Solubility S. pneumoniae GAMMA: Bile Esculin 6.5% NaCl Group D* Enterococcus Bile Esculin 6.5% NaCl Group D* Non- Enterococcus (*can also be alpha hemolytic) Note: S. viridans is Is alpha hemolytic and negative for all the tests below below + + + + + + + - - Summary Figure (Identification Scheme) www.freelivedoctor.com

Pneumostaph45

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