Labels:text OCR: Resident and Staff Physician Patient Education Chart Arrhythmias: Paroxysmal Tachycardia ныны * Ectopic pacemaker in the AV node, atria, or ventricles Rapid pulse of 150 to 250 beats per minute * Starts and stops suddenly Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc.