Stable circulation | Shock (DHF Grade III)*¶ | Prolonged/profound shock (DHF Grade IV)*¶ | |
Heart rate | Normal | Tachycardia | Severe tachycardia or bradycardia |
Blood pressure | Normal | Normal systolic pressure but rising diastolic pressure (narrowing pulse pressureΔ) Postural hypotension | Severe hypotension or undetectable blood pressure |
Respiratory rate | Normal | Tachypnea | Hyperpnea or Kussmaul respirations |
Urine output | Normal | Reducing trend | Oliguria or anuria |
Consciousness level | Clear, lucid | Clear, lucid | Restless, combative |
Capillary refill | Brisk (≤2 seconds) | Prolonged (>2 seconds) | Very prolonged |
Extremities | Warm, pink | Cool | Cold, clammy, mottled skin |
Peripheral pulse volume | Good volume | Weak, thready | Feeble or absent |
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