Mitral regurgitation electrocardiogram: Difference between revisions
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In '''lead V1''' | In '''lead V1''', the following may be seen: | ||
*Biphasic P wave with terminal negative portion > 40 ms duration | *Biphasic P wave with terminal negative portion > 40 ms duration | ||
*Biphasic P wave with terminal negative portion > 1mm deep | *Biphasic P wave with terminal negative portion > 1mm deep | ||
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[[Image:LAE-v1.png|Left atrial enlargement as seen in lead V1|400px]] | [[Image:LAE-v1.png|Left atrial enlargement as seen in lead V1|400px]] | ||
'''2.''' [[Atrial fibrillation]] is commonly seen with mitral regurgitation: | '''2.''' [[Atrial fibrillation]] is commonly seen with mitral regurgitation: This is identified as an irregularly irregular rhythm with absence [[P waves]]. | ||
Below is an '''ECG in mitral regurgitation''' | Below is an '''ECG in mitral regurgitation''' | ||
Revision as of 19:03, 15 April 2012
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Mitral regurgitation electrocardiogram On the Web |
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Risk calculators and risk factors for Mitral regurgitation electrocardiogram |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Mohammed A. Sbeih, M.D.[2].
Overview
In severe cases of mitral regurgitation, left ventricular hypertrophy with strain; left atrial enlargement, and signs of pulmonary hypertension may be observed on the resting EKG. Chronic mitral regurgitation is associated with an increased risk for atrial fibrillation.
EKG Signs in Mitral Regurgitation
1. LA enlargement: Left atrial enlargement produces a broad, bifid P wave in lead II (P mitrale) and enlarges the terminal negative portion of the P wave in VI.
In lead II following may be seen:
- Bifid P wave with > 40 ms between the two peaks
- Total P wave duration > 110 ms
In lead V1, the following may be seen:
- Biphasic P wave with terminal negative portion > 40 ms duration
- Biphasic P wave with terminal negative portion > 1mm deep
2. Atrial fibrillation is commonly seen with mitral regurgitation: This is identified as an irregularly irregular rhythm with absence P waves.
Below is an ECG in mitral regurgitation
