7/1/23, 12:16 AM Left bundle branch block Pathway Feedback Search Clinical Topics Home Findings Left bundle branch block Left bundle branch block More common causes Myocardial infarction Aortic regurgitation Stable ischemic heart disease Aortic stenosis Ischemic cardiomyopathy Systemic hypertension Familial hypertrophic cardiomyopathy Myocarditis Less common causes Sarcoidosis Dilated cardiomyopathy Chagas disease Infective endocarditis Cardiomyopathy https://web.pathway.md/findings/recduV2Ni0Ap86SC0 1/1