[Expert Solution]: A 40-year-old female receives two units of…

A 40-year-old female receives two units of red blood cells during a surgical procedure. The patient has no prior history of transfusions. Seven days later, she presents with extensive bruising of the extremities and bleeding of the gums, with no additional symptoms. Her platelet count is 5 × 103/mcL (reference interval 150–400 × 103/mcL). What is the most likely diagnosis? Please select the single best answer Post transfusion purpura (PTP)Acute hemolytic transfusion reaction (AHTR)Disseminated intravascular coagulation (DIC)Allergic reaction