One unit of packed red cells raises the HB% in a recipient by___gm%. a. 0.1 b. 1.0 c. 2.0 d. 0.2

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2gm depends on donor pcv and recipient weight@

1 gm %

Dear friends correct answer is B. 1 gm% approximately.

B. 1.0 gm%. It is always advisable to transfuse 2 units at one time

Old school thought to transfuse at least 2 units packed cell at one time. Now with patient blood management, less is more. So if 1 unit can treat the symptomatic anaemia...why do we nee to expose patient with risk of transfusion.

B But it depends on how fresh or old it is

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