7. Evidence of plasma leakage:
Haemoconcentration (20% above baseline)
A drop in haematocrit following fluid replacement
Pleural effusion, ascites (not obvious in early stage of critical
phase)
Circulatory disturbances.
Hypovolemic shock
PLASMA LEAKAGE
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8. Dengue Shock Syndrome (WHO 1997)
Evidence by :
rapid and weak pulse
narrow pulse pressure less than 20mmHg
or hypotension for age
cold clammy skin and restlessness
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24. 120
110
100
90
80
70
60
Blood pressure, pulse pressure, heart rate in hypovolemic shock
Time LCS Lum
Compensated shock Decompensated shock
First sign of shock is tachycardia
Followed by increasing diastolic BP
Drop is systolic BP is relatively late event
PR
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