
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Junctional bradycardia EKG examples
Introduction
Overview
Overview
Marked sinus bradycardia or SA node exit block can result in an escape AV nodal or junctional bradycardia with narrow QRS complex at a rate of 40-60 beats per minute.
EKG Examples
EKG Examples
Shown below is an EKG with a nodal escape rhythm. Note the lack of P or P’ waves. Often the P’ wave is hidden in the QRS as the nodal escape conducts down to the ventricle and up to the atrium in a fashion such that the QRS and P’ wave occur simultaneously.

Copyleft images obtained courtesy of ECGpedia, http://en.ecgpedia.org.
Example of junctional escape rhythm / junctional bradycardia on telemetry:
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References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mugilan Poongkunran M.B.B.S [2]
