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Bootla D, Jain A, Mittal GK, et al. Coumel's sign reversed: What is the mechanism?. Indian Pacing Electrophysiol J. 2021;doi: 10.1016/j.ipej.2021.11.007.
Bootla, D., Jain, A., Mittal, G. K., & Selvaraj, R. J. (2021). Coumel's sign reversed: What is the mechanism?. Indian pacing and electrophysiology journal, . https://doi.org/10.1016/j.ipej.2021.11.007
Bootla, Dinakar, et al. "Coumel's sign reversed: What is the mechanism?." Indian pacing and electrophysiology journal vol. (2021). doi: https://doi.org/10.1016/j.ipej.2021.11.007
Bootla D, Jain A, Mittal GK, Selvaraj RJ. Coumel's sign reversed: What is the mechanism?. Indian Pacing Electrophysiol J. 2021 Nov 24; doi: 10.1016/j.ipej.2021.11.007. Epub 2021 Nov 24. PMID: 34826604.
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Indian Pacing Electrophysiol J. 2021 Nov 24; doi: 10.1016/j.ipej.2021.11.007. Epub 2021 Nov 24.

Coumel's sign reversed: What is the mechanism?.

Indian pacing and electrophysiology journal

Dinakar Bootla, Ashish Jain, Gaurav Kumar Mittal, Raja J Selvaraj

Affiliations

  1. Department of Cardiology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India. Electronic address: [email protected].
  2. Department of Cardiology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.

PMID: 34826604 DOI: 10.1016/j.ipej.2021.11.007

Abstract

A patient presented with documented narrow QRS tachycardia. During electrophysiological study, he has orthodromic reciprocating tachycardia with atrial activation consistent with left free wall accessory pathway. With induction of tachycardia, beats with LBBB morphology have shorter cycle length than those with narrow QRS. What is the mechanism?

Copyright © 2021 Indian Heart Rhythm Society. Production and hosting by Elsevier B.V. All rights reserved.

Keywords: CL increase with narrow QRS; Dual AV nodal Physiology; Reverse Coumel

Conflict of interest statement

Declaration of competing interest None for any of the authors.

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