EKG in right atrial enlargement
EKG in right atrial enlargement | ||
MeSH | [1] |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [3]
Overview
Right atrial enlargement can result from increased pressure in the pulmonary artery. A positive part of the biphasic P wave in lead V1 larger than the negative part indicates right atrial enlargement. Despite the increase in the height of the P wave, the width of the P wave does not change.
EKG in Right atrial enlargement
Right atrial enlargement is defined as either:
Differential Diagnosis of Right Atrial Enlargement
- Atrial aneurysm
- Atrial septal defect
- Cor pulmonale or right heart failure
- Ebstein's anomaly
- Tumor
- Pulmonic stenosis
- Tricuspid prolapse
- Tricuspid regurgitation
- Tricuspid stenosis