Blood Transfusion Reactions · Pharmacology

Which finding distinguishes TRALI from TACO?

  1. Presence of pulmonary edema on chest imaging
  2. Hypoxia during transfusion
  3. Normal cardiac filling pressures
  4. Bilateral infiltrates on chest X-ray
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Correct answer: Normal cardiac filling pressures

TRALI produces non-cardiogenic pulmonary edema, so cardiac filling pressures remain normal. TACO, by contrast, reflects volume overload with raised filling pressures. Pulmonary edema, hypoxia, and bilateral infiltrates occur in both, so only the cardiac assessment separates them.

Difficulty: Medium Question 14 of 20

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