File:E257.jpg
Original file (3,004 × 1,108 pixels, file size: 507 KB, MIME type: image/jpeg)
Summary
| Description |
This an interesting recording of nodal rhythm. The recorting shows no atrial sensing which could represent sinus node arrest and no retrograde condution or lack of sensing due to the artrial refractory period. This is the post ventricular atrial refractory period (PVARP). This refractory period which is longer than that of the ventricle is important to avoid sensing of retrograde P waves which in turn can initiate a pacemaker mediated tachycardia. |
|---|---|
| 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 | 06:24, 21 February 2012 | | 3,004 × 1,108 (507 KB) | DarrelC (talk | contribs) |
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