Bidirectional Ventricular Tachycardia: A Hallmark of Catecholaminergic Polymorphic Ventricular Tachycardia

by Dr. Francisco Femenia, MD, Raimundo Barbosa-Barros, MD, Stela Vitorino Sampaio, MD, Mauricio Arce, MD, Andres Perez-Riera, MD, PhD, Adrian Baranchuk, MD, FACC
Published 2012-03-01

Electrocardiographic “Northwest QRS Axis” in the Brugada Syndrome

by Andrés Ricardo Pérez-Riera, MD, PhD, Frank Yanowitz, MD, Raimundo Barbosa-Barros, MD, Rodrigo Daminello-Raimundo, PhD, Luiz Carlos de Abreu, PhD, Kjell Nikus, MD, PhD, Pedro Brugada, MD, PhD
Published 2020-11-01