What is Verapamil?

Phenylalkylamine, slows cardiac AV conduction and decreases HR, contractility and O2 demand and BP. Used to treat angina and SVTs and HTA Greater negative inotropic (contractility) effect than Nifedipine but is a weaker vasodilator. Extensively metabolized by liver (careful for Liver disease) Contraindication (depressed cardiac function/ AV conduction abnormality) Side effects (Constipation)