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.
Retrograde p-wave
Introduction
Overview
Overview
A retrograde P wave is a an atrial P wave on the elctrocardiogram that is inverted or upside down most often in leads II, III or aVF.
Causes
Causes
- Low atrial focus to the rhythm (narrow QRS complex present)
- Retrograde or backward electrical conduction from the AV node or ventricles to the atria (a wide QRS complex may or may not be present)
- AV nodal reentry tachycardia
References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]