Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc
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Case Report

Volume 5, Number 2, February 2014, pages 92-97

Abnormal Cellular Repolarization due to Implantable Cardioverter Defibrillator Shock: A Case Report


Figure 1.
Figure 1. Part of the episodes recorded in the memory of Biotronik Lumax 300 VR-T; from episode number 176 (30th December 2012 at 06:04 a.m.) to episode number 303 (30th December 2012 at 08:48 a.m.).
Figure 2.
Figure 2. Section A: BIOTRONIK Home Monitoring® IEGM (report # 26): onset of a real ventricular fibrillation, at the origin of the first shock, on 30th December 2012 at 03:28 a.m. Section B: BIOTRONIK Home Monitoring® IEGM (report # 34) inappropriate detection of ventricular fibrillation event due to anomalous signals focused on T-waves.
Figure 3.
Figure 3. IEGM via Renamic® programmer during the patient’s stay in CCU: evidence of abnormal detection of T waves.
Figure 4.
Figure 4. BIOTRONIK Home Monitoring® periodic IEGM on 25th December 2012 (report # 25), showing ventricular activity properly detected.