J Med Life Sci > Volume 21(3); 2024 > Article
Journal of Medicine and Life Science 2024;21(3):112-116.
DOI: https://doi.org/10.22730/jmls.2024.21.3.112    Published online September 30, 2024.
Recovery of complete left bundle branch block in dilated cardiomyopathy after optimal heart failure treatment: a case report
Geum Ko1  , Jae-Geun Lee1,2 
1Department of Internal Medicine, Jeju National University Hospital, Jeju, Republic of Korea
2Department of Internal Medicine, Jeju National University College of Medicine, Jeju, Republic of Korea
Correspondence:  Jae-Geun Lee, Tel: 82-64-717-1700, Fax: 82-64-717-1478,  Email: tedljg@naver.com
Received: 27 June 2024   • Revised: 22 July 2024   • Accepted: 30 July 2024
Abstract
Complete left bundle branch block (CLBBB) is a significant cardiac conduction abnormality often associated with dilated cardiomyopathy (DCM). This case report highlights the improvement in CLBBB and symptom relief through reverse cardiac remodeling in a patient diagnosed with DCM following an optimized heart failure treatment regimen consisting of an angiotensin-converting enzyme inhibitor, beta-blocker, and mineralocorticoid receptor antagonist. This case highlights the potential of electrical remodeling and conduction system improvement in patients with DCM receiving optimized medical therapy.
Key Words: Bundle branch block, Cardiomyopathy, dilated, Heart failure
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ORCID iDs

Geum Ko
https://orcid.org/0009-0006-5321-4290

Jae-Geun Lee
https://orcid.org/0000-0003-4915-9584

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