Categories: Respirology/ ICU

Warms vs. Cold Shock

Warm Shock 
Cold Shock
  • THINK: sepsis, anaphylaxis, neuro/CNS
  • Warm, bounding & wide pulses, good cap refill, flushed
  • Due to  vasodilating effects of histamine and other anaphylatoxins
  • Tachycardia, Oliguria, Altered LoC
  • THINK: hypovolemic/cardiogenic/obstructive
  • Poor pulses, cold & clammy extremities, mottled skin, prolonged cap refill
  • vasoconstriction secondary to catecholamine surge
  • Tachycardia, Oliguria, Altered LoC



  1. Brierley J, Peters MJ. Distinct hemodynamic patterns of septic shock at presentation to pediatric intensive care unit. Pediatrics. 2008;122(4):752–759; .
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Dr. C Humphreys

Internal Medicine

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