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Updated: Oct 21, 2025

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

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Exercise-Induced Left Bundle Branch Block Resulting in Severe Mitral Regurgitation

Brenden S Ingraham1, Panithaya Chareonthaitawee1, Yogesh N V Reddy1

  • 1Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.

JACC. Case Reports
|September 2, 2021
PubMed
Summary

Exercise hemodynamic catheterization aids in diagnosing exertional symptoms in non-ischemic cardiomyopathy. Cardiac resynchronization therapy effectively resolved symptoms caused by a rate-related left bundle branch block.

Keywords:
AO, aortaBMI, body mass indexCRT, cardiac resynchronization therapyLA, left atriumLBBB, left bundle branch blockMR, mitral regurgitationPA, pulmonary arteryPCWP, pulmonary capillary wedgeTTE, transthoracic echocardiogramVo2, oxygen consumptioncardiac resynchronization therapyexercisehemodynamicsmitral valveright-sided catheterization

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