Shock and heart failure · Physiology

Pulmonary edema in heart failure is primarily due to:

  1. Increased circulating plasma proteins
  2. High pulmonary capillary pressure
  3. Decreased lymphatic drainage
  4. Reduced alveolar ventilation
Show answer and explanation

Correct answer: High pulmonary capillary pressure

Left ventricular failure raises pulmonary venous pressure. This causes fluid transudation into alveoli.

Difficulty: Medium Question 19 of 20

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