This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Ivabridine is indicated in the management of \nSelect and explain. \nA. PSVT, B. Angina pectoris, C. Cardiomyopathy, D. Irritable bowel syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer kDT 6/e p 55,katzung 11e p203 Ivabradine is a bradycardia drug. It selectively blocks if sodium channel blocker and reduce hea rate by inhibiting the hyperpolarization activated sodium channel in the SA node. No other significant hemodynamic effects has been noted. It reduces and then attacked similar to Calcium channel blocker and beta blockers', 'role': 'assistant'}]