Description
Sotalolisanon-selectiveinhibitorofβ-adrenergicreceptorsthatalsoinhibitsNa+andK+channels.SotalolactsasaclassIIIanti-arrhythmicdrugthatalsoexhibitsanti-fibrillatoryactivity.Sotalolisusedclinicallytotreatventricularfibrillationandventriculartachycardia.Invitroandinvivo,sotalolprolongsactionpotentialduration,QTandPRintervals,andincreasestheeffectiverefractoryperiod.