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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.

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Dextro-transposition of the great arteries electrocardiogram

Introduction

Overview

Overview

The ECG may be normal in the newborn , but in older patients there may be changes suggestive of right axis deviation and right ventricular hypertrophy.

Electrocardiogram

Electrocardiogram

  • Ocasionally,the ECG is normal in the newborn , but in older patients there is RAD and RVH.
  • After a Mustard operation there are bradyarrhythmias.
  • The right axis deviation is moderate or absent, in patients with a large VSD, low pulmonary vascular resistance, and LV volume overload.
  • The right axis deviation is greater if there is a reduced pulmonary arterial blood flow and reduced left ventricular volume as a result of pulmonary vascular disease or pulmonic stenosis.
References

References

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3]; Keri Shafer, M.D. [4]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [5]