A Delta Check Was Noted for Potassium After a Surgical

question 85

Multiple Choice

A delta check was noted for potassium after a surgical patient was transfused with 2 units of packed red blood cells. The pre-transfusion potassium was 3.1 mmol/L and the post-transfusion specimen was 6.2 mmol/L. What could be the reason for this sudden increase?

• A) Coagulation factors were diluted out of patient plasma.
• B) Red blood cells were washed prior to infusion.
• C) Red blood cells spent maximum time in storage.
• D) None of the above

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