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Question 29 · LEK · Complications after transfusion of blood components

A 36-year-old woman was admitted to the Emergency Department (ED) after a car accident with symptoms of hemorrhagic shock. The ultrasound examination in FAST algorithm showed significant amount of free fluid in the peritoneal cavity. Blood pressure: undetectable, HR: 134 beats/min. At the ED four units of 0 Rh minus (-) red blood concentrate were transfused. Urgent laparotomy was performed. During the surgery another four units of red blood concentrate and four units of fresh frozen plasma were transfused. Which complications can occur as a result of these procedures?

1) thrombocytopenia;
2) coagulopathy;
3) hypocalcemia;
4) hypercalcemia;
5) hypokalemia;
6) hyperkalemia;
7) hypothermia.
The correct answer is:
  1. A. 1,2,4,5,6,7.
  2. B. 1,2,3,5,6,7. 10 z 117 29.06.2026, 14:15 Centrum Egzaminów Medycznych https://test.cem.edu.pl/pytcem/wyswietl_baza_pdf.php
  3. C. 1,2,3,4,6,7.
  4. D. 1,2,3,4,5,7.
  5. E. 2,3,4,5,6,7.
Hint

Think what stored red cells lack (platelets, active factors), what they contain (citrate, potassium) and at what temperature they are kept.

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