Thoracic Key

Background In 1912, Walter Garrey of Washington University in St. Louis published several of the basic concepts explaining why, 75 years later, the surgical Maze procedure was successful in ablating…

Clinical arrhythmias occur on the basis of one the following electrophysiologic mechanisms: 1. Automaticity 2. Reentry A. Micro-reentry B. Macro-reentry • Small-diameter macro-reentrant circuits (rotors) • Large-diameter macro-reentrant circuits Although…