TRALI occurs within how many hours of transfusion?: (A) 6 hours, (B) 12 hours, (C) 48 hours, (D) 72 hours
Answer is A. TRALI is defined as Transfusion Associated Acute Lung injury (ALI) that occurs within 6 hours of transfusion with the majority of patients developing clinical features within 1-2 hours of transfusion (Usually 1 to 2 hours but up to 6 hours) Ref: Harrisons 20th edition