Abstract Children are usually smaller than adults, but in general ablation techniques used in adults should not simply be miniaturized to fit the size of the pediatric patient. Multiple factors,…
Abstract The ability to map the epicardial surface of the heart has led to significant advances in our understanding of arrhythmogenic substrates associated with disease-specific etiologies. Access to the pericardial…
Abstract Ventricular tachycardia (VT) can develop late after myocardial infarction, often in the context of advanced systolic dysfunction, potentially resulting in hemodynamic instability and sudden death. Although implantable cardioverter-defibrillators are…
Abstract A body of work has developed to supplement the classic methods of activation and entrainment mapping for cases of hemodynamically unstable ventricular tachycardia (VT). Definition of the arrhythmic substrate…
Abstract Monomorphic ventricular tachycardia in postoperative congenital heart disease patients is based upon morphologic/anatomic variants of the heart defect itself or caused by ventricular incisions and patches that allow initiation…
Abstract Ventricular tachycardia (VT) is an outcome-defining complication in the natural history of non-ischemic cardiomyopathies, including idiopathic dilated cardiomyopathy, cardiac sarcoidosis, arrhythmogenic right ventricular cardiomyopathy, among others. While a number…
Abstract In many cases, hemodynamic instability limits the ability to perform activation mapping during scar-related ventricular tachycardia (VT). Catecholamines may support blood pressure, but overall perfusion may be suboptimal, and…
Abstracts Catheter ablation can be accomplished with radiofrequency current, cryoablation, direct current shock, and intravascular ethanol. The complications of catheter ablation are related to the target arrhythmia, the anatomy of…
Abstract Long considered a disorder of cardiac repolarization mediated by sodium channel mutations, Brugada Syndrome (BS) is now more clearly a disorder primarily of depolarization due to fibrosis on the…
Abstract Although ventricular tachycardia (VT) usually occurs in patients with structural heart disease, it can also occur in patients with structurally normal hearts. In this scenario, the mechanism of VT…
