This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Cisapride was withdrawn from market due to ? 
Select and explain. 
A. QT Prolongation, B. Increased PR interval, C. Teratogenicity, D. Myocardial damage
A: QT Prolongation
Answer: A: QT Prolongation 
Explanation: Ans. is'a'i.e., QT prolongation