Cardiac implantable electronic device malfunction after deceleration injury without obvious chest trauma Amr F. Barakat, MD, Brian Cross, MD, Jonathan.

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Presentation transcript:

Cardiac implantable electronic device malfunction after deceleration injury without obvious chest trauma Amr F. Barakat, MD, Brian Cross, MD, Jonathan Wertz, MD, Samir Saba, MD, FHRS, Krishna Kancharla, MD HeartRhythm Case Reports Volume 5, Issue 5, Pages 285-287 (May 2019) DOI: 10.1016/j.hrcr.2019.02.003 Copyright © 2019 Heart Rhythm Society Terms and Conditions

Figure 1 Device interrogation strip showing high-amplitude nonphysiologic electrograms on the right ventricular lead channel (black arrows), triggering inappropriate antitachycardia pacing therapy (black double arrow). Atrial lead also displays nonphysiologic signals on this tracing. HeartRhythm Case Reports 2019 5, 285-287DOI: (10.1016/j.hrcr.2019.02.003) Copyright © 2019 Heart Rhythm Society Terms and Conditions

Figure 2 Device interrogation strips showing simultaneous abrupt increase in pace impedance in all 3 leads. A = atrial; LV = left ventricular; RV = right ventricular. HeartRhythm Case Reports 2019 5, 285-287DOI: (10.1016/j.hrcr.2019.02.003) Copyright © 2019 Heart Rhythm Society Terms and Conditions

Figure 3 A: Chest radiograph (lateral view) showing abnormal angulation between the device header and the body of the generator (black double arrows), with no evidence of fracture in any of the leads. B: Intraoperative images demonstrating the fractured device header (black arrow) in comparison to an intact one from the new generator (black star). HeartRhythm Case Reports 2019 5, 285-287DOI: (10.1016/j.hrcr.2019.02.003) Copyright © 2019 Heart Rhythm Society Terms and Conditions