Right bundle branch block causes
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Raviteja Guddeti, M.B.B.S. [3]; Aarti Narayan, M.B.B.S [4]; Ayokunle Olubaniyi, M.B,B.S [5]
Overview
Right bundle branch block can result from various causes which include: cardiovascular (e.g. Atrial septal defect, cardiomyopathy, coronary artery disease, Ebstein anomaly); iatrogenic (e.g. Cardiac catheterization, cardiac transplantation, post cardiac surgery); infectious (e.g. Chagas disease, HIV, infective endocarditis, Lyme disease); pulmonary (e.g. COPD, cor pulmonale , pulmonary embolism, pulmonary hypertension), and many other disease conditions.
Causes
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
- Citalopram toxicity
- Cocaine abuse
- Heart failure
- Hyperkalemia
- Myocardial infarction
- Pulmonary embolism
Common Causes
- Cocaine abuse
- COPD
- Cor pulmonale
- Coronary heart disease
- Heart failure
- Hyperkalemia
- Hypertension
- Myocarditis
- Pulmonary embolism