Shock and heart failure · Physiology

Septic shock is most commonly caused by:

  1. Loss of plasma proteins into tissues
  2. Endotoxin-mediated vasodilation
  3. Acute myocardial ischemia
  4. Massive pulmonary embolism
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Correct answer: Endotoxin-mediated vasodilation

Bacterial endotoxins trigger inflammatory mediators. These cause vasodilation and increased capillary permeability.

Difficulty: Medium Question 8 of 20

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