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Updated: Oct 26, 2025

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
Appropriate Implantable Cardioverter-Defibrillator Therapies Delivered 5 Years After End of Service
Matthew F Yuyun1,2, Fareed N Ali3, Jonathan S Silver3,4
1Department of Medicine, Harvard Medical School, Boston, Massachusetts.
Abstract:
We present the case of a 57-year-old man with a primary prevention internal cardioverter-defibrillator for severe nonischemic cardiomyopathy. At the time of elective replacement indicator, systolic function had fully recovered, and his generator was not changed. Nearly 5 years post-elective replacement indicator he received appropriate internal cardioverter-defibrillator therapies during a myocardial infarction. (Level of Difficulty: Intermediate.).
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