EKG in right atrial enlargement
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| EKG in right atrial enlargement Classification and external resources | ||
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| eMedicine | med/ | |
| MeSH | [1] | |
| Cardiology Network |
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Overview
Right atrial enlargement can result from increased pressure in the pulmonary artery, e.g. after pulmonary embolism. A positive part of the biphasic P wave in lead V1 larger than the negative part indicates right atrial enlargement. The width of the P wave does not change.
EKG in Right atrial enlargement
- Right atrial enlargement is defined as either
- P >2,5 mm in II / III and / or aVF
- P >1,5 mm in V1.
 Right atrial enlargement |
Right atrial enlargement |
 Right Atrial Enlargement |
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
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
