Problem:
A 65-year-old male with a history of diabetes mellitus type 2, hyperlipidemia, and schizophrenia presented to the clinic for follow-up after a recent hospital discharge. His home medications include metformin, atorvastatin, and ziprasidone. He was admitted to the hospital for chest pain and found to have acute myocardial infarction. He underwent percutaneous intervention and was discharged home after a brief hospital stay. Postoperatively he was found to have ventricular tachycardia and is now on amiodarone, aspirin, and clopidogrel in addition to his previous medications. Which of the following is a potential complication of ziprasidone use in this patient? A. Hypotension B. Ketoacidosis C. Ventricular arrhythmia D. Ventricular thrombosis