Electrical storm in Chagas heart disease patients with implantable cardioverter defibrillator - clinical predictors, outcome and arrhythmic characteristics: a prospective registry from a university hospital - Pavão, Maria Lícia Ribeiro Cury; Arfelli, Elerson; Scorzoni Filho, Adilson; Pavão, Rafael Brolio; Pazin Filho, Antonio; Marin Neto, José Antonio; Schmidt, Andre (Journal of the American College of Cardiology, 2020)