ArticleAnnals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc2025
Transient Left Bundle Branch Block Induced Acute Heart Failure as a Consequence of Ramus Intermedius Occlusion.
Article in Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
We present a case of acute decompensated heart failure due to transient left bundle branch block (LBBB) as a consequence of a ramus intermedius (RI) occlusion. A 63-year-old woman was admitted with acute onset of typical chest pain and pulmonary edema, a newly diagnosed LBBB and left ventricular (LV) systolic dysfunction. A coronary angiogram demonstrated critical stenosis at the osteal segment of RI. After successful coronary revascularization, LBBB was completely resolved, with an improvement in LV systolic function and symptoms. In terms of anatomical blood supply of the left bundle branch, transient LBBB as a consequence of an RI occlusion is unusual.
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