Left bundle branch block history and symptoms

J. Adrian Gutierrez [1]

LBBB may be asymptomatic, particularly when it occurs in the absence of significant structural heart disease. However, because LBBB is frequently associated with underlying cardiovascular disorders, affected individuals may present with symptoms related to heart failure, ischemic heart disease, or cardiomyopathy, including dyspnea, exercise intolerance, fatigue, chest pain, palpitations, or syncope. ^[1]

References

↑ Ternes CM, Kim JA, Basu A, Ellenbogen KA, Chelu MG (May 2026). “Cardiac Resynchronization Therapy: A Review”. JAMA. 335 (20): 1796–1807. doi:10.1001/jama.2026.4893. PMID 42043915 Check |pmid= value (help).

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[pmid42043915-1] Ternes CM, Kim JA, Basu A, Ellenbogen KA, Chelu MG (May 2026). “Cardiac Resynchronization Therapy: A Review”. JAMA. 335 (20): 1796–1807. doi:10.1001/jama.2026.4893. PMID 42043915 Check |pmid= value (help).

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