Premature Junctional Complex ECG

ECG Strip

Premature Junctional Complex Rhythm Strip Features

Rate: The underlying rate
Rhythm: Regular with premature beats
P Wave: Present before, during (hidden) or after QRS, if visible it is inverted
PR Interval: Absent or short
QRS: Normal (0.06-0.10 sec)
Change in the morphology of the P wave (inverted if it can be seen)PJC’s can occur occasionally or frequently with or without a pattern. The P wave may occur before or after the QRS complex or be buried within the QRS.
Premature junctional contractions (PJC) are early heart beats originating from the AV junction. Occasional PJCs are common in otherwise healthy patients.
External Source: http://www.emergencymedicalparamedic.com/premature-junctional-contractions/
Emergency Medical

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Authors and Sources

Authors and Reviewers

EKG heart rhythm modules: Thomas O'Brien.
EKG monitor simulation developer: Steve Collmann
12 Lead Course: Dr. Michael Mazzini, MD.
Spanish language EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD
Heart sounds and mentorship: W. Proctor Harvey, MD
Medical review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 1/8/2023

Sources

Electrocardiography for Healthcare Professionals, 5th Edition Kathryn Booth and Thomas O'Brien
ISBN10: 1260064778, ISBN13: 9781260064773
McGraw Hill, 2019
Rapid Interpretation of EKG's, Sixth Edition
Dale Dublin
Cover Publishing Company
12 Lead EKG for Nurses: Simple Steps to Interpret Rhythms, Arrhythmias, Blocks, Hypertrophy, Infarcts, & Cardiac Drugs
Aaron Reed
Create Space Independent Publishing
Heart Sounds and Murmurs: A Practical Guide with Audio CD-ROM 3rd Edition
Elsevier-Health Sciences Division
Barbara A. Erickson, PhD, RN, CCRN
Clinical Heart Disease W Proctor Harvey, MD
Clinical Heart Disease
Laennec Publishing; 1st edition (January 1, 2009)
The Virtual Cardiac Patient: A Multimedia Guide to Heart Sounds, Murmurs, EKG Jonathan Keroes, David Lieberman
Publisher: Lippincott Williams & Wilkin)
ISBN-10: 0781784425; ISBN-13: 978-0781784429
Project Semilla, UCLA Emergency Medicine, EKG Training Breena R. Taira, MD, MPH