![]() ![]() The heartbeat on exam is typically fast, but with medications, it can be slow with either a regular or irregular pulse.Ītrial flutter is the result of a rapid electrical circuit localized to the top right heart chamber, the right atrium. This electrical circuit has been extensively mapped using electrophysiology-guided catheter mapping techniques. ![]() The atria can contract anywhere from 250-400 beats per minute, with the AV node serving as the “traffic control” preventing 1 to 1 conduction to the ventricles. The ECG in Acute MI.Atrial flutter, another type of supraventricular tachycardia, produces a heart rhythm with typically more atrial contractions than ventricular beats. ECG in Emergency Medicine and Acute Care 1e, 2004 ECG’s for the Emergency Physician Part I 1e, 2003 and Part II Chou’s Electrocardiography in Clinical Practice: Adult and Pediatric 6e, 2008 Critical Decisions in Emergency and Acute Care Electrocardiography 1e, 2009 Marriott’s Practical Electrocardiography 13e, 2021 Electrocardiography in Emergency, Acute, and Critical Care. ECG Mastery: Blue Belt online course: Become an ECG expert. Different Patterns of Interatrial Conduction in Clockwise and Counterclockwise Atrial Flutter. Studies in man after open heart surgery using fixed atrial electrodes.
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