https://idwiki.org/index.php?action=history&feed=atom&title=Dominant_R-wave_in_V1Dominant R-wave in V1 - Revision history2026-04-28T18:20:48ZRevision history for this page on the wikiMediaWiki 1.43.8https://idwiki.org/index.php?title=Dominant_R-wave_in_V1&diff=4186&oldid=prevMaintenance script: Imported from text file2020-07-04T01:17:32Z<p>Imported from text file</p>
<p><b>New page</b></p><div>== Definition ==<br />
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* There should be a small R-wave relative to the S-wave in V1<br />
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== Differential Diagnosis ==<br />
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* Normal in children and young adults<br />
* Right ventricular hypertrophy (RVH)<br />
** Pulmonary embolus<br />
** Persistence of infantile pattern<br />
** Left-to-Dright shunt<br />
* Right Bundle Branch Block (RBBB)<br />
* Posterior myocardial infarction (ST elevation in leads V7, V8, V9)<br />
* Wolff-Parkinson-White (WPW) Type A<br />
* Incorrect lead placement (e.g. V1 and V3 reversed)<br />
* Dextrocardia<br />
* Hypertrophic cardiomyopathy<br />
* Dystrophy<br />
** Myotonic dystrophy<br />
** Duchenne Muscular dystrophy<br />
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[[Category:Cardiology]]</div>Maintenance script