318) A 55 year old woman underwent a debulking surgery with total abdominal hysterectomy, Salpingo-oophorectomy, omentectomy and appendicectomy for a recently diagnosed Stage IIIC Epithelial Ovarian Cancer. Her intra-operative course was complicated by severe blood loss and she received about 15 units of Packed Red Blood Cells. She is currently in the intensive care unit. Six hours after surgery, her blood pressure drops to 80/50 mm Hg. On examination, she is afebrile. She is drowsy but can be awakened. She denies any chest pain or shortness of breath. She has muscle tremors. Chest is clear to auscultation. Abdominal sutures are intact with no clinical evidence of Hematoma. An electrocardiogram is shown below:
Which of the following is the most likely explanation of the patient’s acute findings?
A) Hyperkalemia
B) Acute Myocardial Infarction
C) Circulatory Overload
D) Transfusion Associated Acute Lung injury
E) Citrate Toxicity
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E) Citrate Toxicity
In massive blood transfusions citrate used as an anticoagulant in PRBC can chelate calcium resulting in hypocalcemia.EKG hows QT prolongation.
citrate toxicity , EKG shows prlonged QT intervals
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