A pt is transferred to the PCU following a CABG 3 days ago. The pt developed bleeding in the immediate postoperative period, which led to re-operation and infusion of 8 units of packed RBCs. The pt's lab data reveal a plt count of 48k. The nurse should suspect which of the ff etiologies
A. PLT dysfunction from use of the pump during surgery
B. bone marrow suppression.
C diltiazem (Cardizem) used for postoperative atrial fibrillation
D. HIT