This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia Spectrum and Other Psychotic Disorders, Subject name: Psychiatry
[{'content': 'A 28 year old patient presented with history of suspiciousness, hearing voices not heard by other, aggression, poor sleep and appetite for last 3 months. During investigations, his ECG was done and it showed QTc of 480 ms. Which of the following drugs should be avoided in this patient? \nSelect and explain. \nA. Ziprasidone, B. Aripiprazole, C. Clozapine, D. Risperidone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Antipsychotics causing QT prolongation : Ziprasidone Amisulpiride Quetiapine Thioridazone Pimozide', 'role': 'assistant'}]