Tachycardia with alternating pacemaker spikes: Is it pacemaker malfunction?

Mahmoud Allahham; Mark Pollet; Jie Cheng; Yochai Birnbaum

doi:10.1016/j.jelectrocard.2018.12.012

Tachycardia with alternating pacemaker spikes: Is it pacemaker malfunction?

J Electrocardiol. 2019 Mar-Apr:53:28-30. doi: 10.1016/j.jelectrocard.2018.12.012. Epub 2018 Dec 18.

Authors

Mahmoud Allahham¹, Mark Pollet², Jie Cheng³, Yochai Birnbaum⁴

Affiliations

¹ Department of Medicine at Baylor College of Medicine, United States of America.
² Department of Medicine, Section of Cardiology at Baylor College of Medicine, United States of America.
³ Department of Medicine, Section of Cardiology at Baylor College of Medicine and Texas Heart Institute, Baylor St. Luke's Medical Center, Houston, Texas, United States of America.
⁴ Department of Medicine, Section of Cardiology at Baylor College of Medicine and Texas Heart Institute, Baylor St. Luke's Medical Center, Houston, Texas, United States of America. Electronic address: ybirnbau@bcm.edu.

PMID: 30611918
DOI: 10.1016/j.jelectrocard.2018.12.012

Abstract

A 67 year old female with diabetes mellitus type 2, chronic kidney disease, ischemic cardiomyopathy, status post biventricular implantable cardioverter-defibrillator presented to the Heart Failure clinic for routine follow up with a tachycardia with alternating pacemaker spikes.

Keywords: Abnormal ECG; Accelerated junctional rhythm; Biventricular ICD; Blanking period; Digoxin toxicity; Heart failure.

Publication types

Case Reports
Research Support, Non-U.S. Gov't

MeSH terms

Aged
Comorbidity
Defibrillators, Implantable*
Electrocardiography
Female
Humans
Tachycardia, Ventricular / physiopathology*