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Deshpande SA, Udyavar A. Changing QRS duration and morphology with A-paced and A-sensed rhythm in postcardiac resynchronization therapy (CRT) patients. Ann Noninvasive Electrocardiol. 2019;25(3):e12703doi: 10.1111/anec.12703.
Deshpande, S. A., & Udyavar, A. (2020). Changing QRS duration and morphology with A-paced and A-sensed rhythm in postcardiac resynchronization therapy (CRT) patients. Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 25(3), e12703. https://doi.org/10.1111/anec.12703
Deshpande, Saurabh Ajit, and Udyavar, Ameya. "Changing QRS duration and morphology with A-paced and A-sensed rhythm in postcardiac resynchronization therapy (CRT) patients." Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc vol. 25,3 (2020): e12703. doi: https://doi.org/10.1111/anec.12703
Deshpande SA, Udyavar A. Changing QRS duration and morphology with A-paced and A-sensed rhythm in postcardiac resynchronization therapy (CRT) patients. Ann Noninvasive Electrocardiol. 2020 May;25(3):e12703. doi: 10.1111/anec.12703. Epub 2019 Sep 26. PMID: 31557359; PMCID: PMC7358890.
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Ann Noninvasive Electrocardiol. 2020 May;25(3):e12703. doi: 10.1111/anec.12703. Epub 2019 Sep 26.

Changing QRS duration and morphology with A-paced and A-sensed rhythm in postcardiac resynchronization therapy (CRT) patients.

Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc

Saurabh Ajit Deshpande, Ameya Udyavar

Affiliations

  1. Department of Cardiology, Jag Jivan Ram Western Railway Hospital, Mumbai, India.
  2. Department of Cardiology, P D Hinduja Hospital, Mumbai, India.

PMID: 31557359 PMCID: PMC7358890 DOI: 10.1111/anec.12703

Abstract

Meticulous interpretation of the ECGs of patients with cardiac resynchronization defibrillator therapy (CRT-D) device is important to ensure optimal synchronization of both the chambers. We present the ECGs of such a patient who was noted to have different morphologies of the biventricular-paced QRS depending in atrial-sensed (A-sensed) or atrial-paced (A-paced) rhythm.

© 2019 The Authors. Annals of Noninvasive Electrocardiology published by Wiley Periodicals, LLC.

Keywords: atrial pace; atrial sense; cardiac resynchronization therapy with defibrillation (CRT-D); ischemic cardiomyopathy

References

  1. Europace. 2005 Mar;7(2):165-9 - PubMed
  2. J Am Coll Cardiol. 2005 May 3;45(9):1482-7 - PubMed
  3. Ann Noninvasive Electrocardiol. 2020 May;25(3):e12703 - PubMed

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