<prompt> Ivabridine is indicated in the management ofPSVTAngina pectorisCardiomyopathyIrritable bowel syndrome  <response>: Refer kDT 6e 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 