File:E347.jpg

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Summary

Description	The Holter system has added markers where it detected pacemaker spikes. The yellow arrow indicates the detection of a ventricular spike and the blue arrow an atrial spike. The recording shows pectoral muscle inhabition of the pacemaker (turquoise arrow). It is characteristic to see muscle artifact on the recording as seen here ( mostly between the two red arrows) Note there is no detection of a ventricular pacing spike, and also there is no native QRS to be sensed! This is a form of inappropriate sensing.
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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:10, 21 February 2012		3,004 × 1,599 (1.44 MB)	DarrelC (talk \| contribs)

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Camera manufacturer	HP
Camera model	HP Scanjet G3110
Date and time of data generation	23:31, 2 May 2009
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Software used	Adobe Photoshop CS5 Windows
File change date and time	07:11, 21 February 2012
Y and C positioning	Co-sited
Pair of black and white reference values	0 255 128 255 128 255
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Meaning of each component	Y Cb Cr does not exist
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Date and time of digitizing	23:31, 2 May 2009
Date metadata was last modified	15:11, 21 February 2012
Unique ID of original document	4856E29C11D40F15A9CCD45DD9942DDA
Copyright status	Copyright status not set