Exercise-induced Ventricular Tachycardia/ Ventricular Fibrillation in the Normal Heart Risk Stratification and Management

摘要

Ventricular tachycardia (VT) occurs only rarely in patients without organic heart disease, and most of these arrhythmic events are not related to exercise; consequently, the literature on exercise-induced VT/ventricular fibrillation in normal hearts is limited. The most common form of idiopathic monomorphic VT is the one originating from the outflow tract. The main point in risk stratification of exercise-induced monomorphic VT is distinguishing idiopathic monomorphic VT from VT related to subtle heart disease, particularly right ventricular dysplasia. Exercise-induced polymorphic VT is potentially lethal, particularly when caused by genetic disorders.