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Supraventricular Tachycardia | Reference Guide

EKG Features

Rate: Fast (150-250 bpm)
Rhythm: Regular
P Wave: Merged with T wave
PR Interval: Normal (0.12 sec)
QRS: Normal (.10 sec)
Occurs when a junctional rhythm exceeds 100 bpm. Cardiac complexes will be very close to one another. The T waves of the previous complex will cover the P wave of the next complex. P waves will be entirely buried
Supraventricular tachycardia (SVT) is a rapid heart rhythm originating at or above the AV node. SVT rates are above 100 beats per minute and are typically 150-250 bpm. SVT is the most common pediatric rhythm problem. SVT’s rapid heart rate does not allow the ventricles to completely fill with blood, decreasing cardiac output.
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Supraventricular Tachycardia | Reference Guide Example

ekg rhythm strip for reference guide

Authors, Reviewers and Developers EKG rhythms classes: Thomas O'Brien.
EKG monitor simulation: Steve Collmann
12 Lead Lecture: Dr. Michael Mazzini, MD, Cardiologist.
Spanish EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD, Cardiologist,
Dr. Barbara Erickson, PhD, RN, CCRN.
EKG tracings medical review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 11/7/2022



Return to EKG Reference Guide Index



Authors, Reviewers and Developers EKG rhythms classes: Thomas O'Brien.
EKG monitor simulation: Steve Collmann
12 Lead Lecture: Dr. Michael Mazzini, MD, Cardiologist.
Spanish EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD, Cardiologist,
Dr. Barbara Erickson, PhD, RN, CCRN.
EKG tracings review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 11/10/2022
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