File:E381.jpg
Original file (3,004 × 906 pixels, file size: 535 KB, MIME type: image/jpeg)
Summary
| Description |
This is a tracing from a patient in the pacemaker clinic. The pacemaker was set to VDD mode. There is group beating. The rhythm begins with a ventricular paced beat which occurs at the pacing interval as set by the programmed rate. There is then a retrograde P that is sensed by the atrial channel of the pacemaker and a pacemaker mediated tachycardia begins. The tachycardia stops probably because a retrograde P was blocked. Lack of capture of the atrium either seen with the VDD mode of pacing or with failure of the atrial pacing lead to capture is a mechanism for the initiation of pacemaker mediated tachycardia. |
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| Category | |
| 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/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:51, 21 February 2012 | | 3,004 × 906 (535 KB) | DarrelC (talk | contribs) |
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