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Troubleshooting 

Troubleshooting
Chapter:
Troubleshooting
Author(s):

Timothy Betts

and Julian Ormerod

DOI:
10.1093/med/9780199687831.003.0006
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date: 18 September 2019

This chapter covers the common reasons why a pacemaker can fail to work, then provides methods for fixing each problem. Complications with high threshold have the diagnosis, cause, and treatment for lead displacement, lead fracture, lead insulation break, and exit block. Complications with oversensing have the diagnosis, cause, and treatment for T-wave oversensing, far-field sensing, myopotential inhibition, lead fracture, and pacing lead interaction with old leads. Undersensing covers generator failure, the end of life battery failure, and problems with a runaway pacemaker. Finally, other, yet rare, problems are described.

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