5. 2.ORTHOPNOEA
⢠DYSPNOEA OCCURING IN RECUMBENT POSITION
⢠RELIEVED BY SITTING UPRIGHT OR SLEEPING ON
ADDITIONAL PILLOWS
⢠NOCTURNAL COUGH MAY BE PRESENT
⢠MECH:-REDISTRIBUTION OF FLUID FROM SPLANCHNIC
CIRCULATION &LOWER EXTREMITIES IN TO CENTRAL
CIRCULATIONâ
INCREASE IN PULM. CAPILLARY PRESSURE
- ELEVATION OF DIAPHRAGM
6. 3.PAROXYSMAL NOCTURNAL DYSPNOEA
⢠A/C EPISODES OF DYSPNOEA &COUGHING OCCURING AT NIGHT
WHICH AWAKEN THE PATIENT FROM BED 1-3 HRS AFTER HE
RETIRES
⢠PERSISTS EVEN AFTER SITTING UPRIGHT
⢠MECH:-DEPRESSION OF RESP. CENTRE DURING SLEEP
-REDUCED ADRENERGIC STIMULATION OF MYOCARDIUM AT
NIGHT
8. 6.CHEYNE STOKES RESPIRATION
⢠PERIODIC BREATHING WITH ALTERNATE PERIODS OF
APNOEA & HYPERVENTILATION
⢠MECH:-DIMINISHED SENSITIVITY OF RESP. CENTRE TO
ARTERIAL PCO2
7.CENTRAL & PERIFERAL CYANOSIS
8.FATIGUE
9.MENTAL CONFUSION
9. 3. CARDINAL SIGNS OF LVF
1. GALLOP RHYTHM
S1+S2+S3 OR S1+S2+S4----TRIPLE RHYTHM
S1+S2+S3+S4-----QUADRUPLE RHYTHM
IF S3 &S4 MERGE ----SUMMATION GALLOP
2. FINE BASAL CREPITATIONS
3. PULSUS ALTERANSâWHEN THE ALTERNATE PULSES ARE
WEAK.[LOW VOL.] BUT RHYTHM IS NORMAL
-BETTER FELT IN RADIAL A
-HEALTHY &DEGENERATED MUSCLE FIBRES PRODUCING
NORMAL &WEAK BEAT RESPECTIVELY[DEFECTIVE
ELECTROMECHANICAL COUPLING]
-POOR PROGNOSIS
10. ⢠BP: âPULSE PRESSURE DUE TO REDUCED STROKE VOL.
HYPOTENTION
DBP SLIGHTLY RAISED
⢠IF CARDIOMEGALY âAPEX SHIFTED OUTWARDS &
DOWNWARDS