This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CHF, Angina Pectoris and Myocardial Infarction, Subject name: Pharmacology
Ivabradine is indicated in the management of: 
Select and explain. 
A. Paroxysomal supraventricular tachycardia, B. Angina pectoris, C. Cardiomyopathy, D. Irritable bowel syndrome
B: Angina pectoris
Answer: B: Angina pectoris 
Explanation: Ivabradine: Bradycardiac drug. It selectively blocks If Na+ channels and reduce HR by inhibiting the hyperpolarization-activated Na+ channel in the SA node. It reduces angina attacks similar to CCBs and b blockers. Advantage of Ivabradine: Lack of effect on GI and bronchial smooth muscle.