File:E346.jpg: Difference between revisions

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== Summary ==
{{Information
|Description = The recording shows sinus rhythm with a marked first degree heart block. In this case the PR interval is about 400 ms. A Holter monitor showed second degree but not third degree A/V block.
|Category = [[Case_reports_from_Michael_Rosengarten|Case reports by Michael Rosengarten]]
|Source = EKG World Encyclopedia http://cme.med.mcgill.ca/php/index.php , courtesy of Michael Rosengarten BEng, MD.McGill
|Date = 2012
|Author = Michael Rosengarten BEng, MD.McGill
|Permission = {{by-nc-sa-3.0}}
|other_versions = None
}}