The  mainstay of medical therapy in hemodynamic stable VT is suppression of tachyarrhythmia with antiarrhythmic medications such as amiodarone, sotalol, lidocaine, betablocker alongside with correction of hypokalemia, hypomagnesemia and hypocalcemia. In addition, treating the underlying causes of VT including 
ischemic heart disease or decompensated heart failure
are warranted.
Ventricular tachycardia medical therapy
Pulseless ventricular tachycardia medical therapy
Wide complex tachycardia medical therapy
Ventricular fibrillation medical therapy
Second degree AV block medical therapy
Third degree AV block medical therapy
Catecholaminergic polymorphic ventricular tachycardia medical therapy
AVNRT medical therapy