When do you consider epicardial mapping for ventricular tachycardia (VT)? Indications for epicardial mapping: Mapping and ablation of ventricular tachycardia (VT) is usually done from the endocardial approach
Triangle of dysplasia in ARVD - replacement of RV myocardium by fat, fibrous tissue and aneurysms are seen at RV apex, posterior free wall & outflow tract.