Antidysrhythmics

Antidysrhythmics Action: Antidysrhythmics are divided into four classes and miscellaneous antidysrhythmics: » Class I increases the duration of action potntial and effective refractory period and reduces disparity in the refractory period between a normal and infarcted myocardium; further subclasses include Ia, Ib, Ic » Class II descreases the rate of SA node discharge, increases recovery …