File:E333.jpg

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Summary

Description

This is an electrocardiogram from an elderly man with a history of syncope.

This electrocardiogram shows sinus rhythm at 74 per minute. The PR interval is grossly prolonged at 288 milliseconds, there's an R S R complex in V1 compatible with a right bundle branch block and a QRS axis of minus 83 degrees compatible with a left anterior hemi-block. Taking all three abnormalities together the tracing suggests a trifasicular block.

This patient also had a Holter monitor that showed second-degree heart block and as a result a pacemaker was implanted because of his history of syncope.

Category

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

Creative Commons Attribution Noncommercial Share-Alike License

File history

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Date/TimeThumbnailDimensionsUserComment
current10:41, 21 February 2012Thumbnail for version as of 10:41, 21 February 20123,004 × 1,599 (4.44 MB)DarrelC (talk | contribs)
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