Left bundle branch block causes
Left bundle branch block Microchapters |
Differentiating Left Bundle Branch Block from other Diseases |
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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]
Causes
Common Causes
The most common causes of LBBB include:
- Hypertension
- Coronary heart disease
- Congestive heart failure
- Hypertrophic obstructive cardiomyopathy
- Valvular heart disease
Causes by Organ System
Cardiovascular | Aortic insufficiency, aortic stenosis, aortic valve replacement, alcoholic cardiomyopathy, hypertrophic cardiomyopathy, hypertensive cardiomyopathy, ischemic cardiomyopathy, postpartum cardiomyopathy, restrictive cardiomyopathy |
Chemical / poisoning | No underlying causes |
Dermatologic | No underlying causes |
Drug Side Effect | No underlying causes |
Ear Nose Throat | No underlying causes |
Endocrine | No underlying causes |
Environmental | No underlying causes |
Gastroenterologic | No underlying causes |
Genetic | No underlying causes |
Hematologic | No underlying causes |
Iatrogenic | No underlying causes |
Infectious Disease | No underlying causes |
Musculoskeletal / Ortho | No underlying causes |
Neurologic | No underlying causes |
Nutritional / Metabolic | No underlying causes |
Obstetric/Gynecologic | No underlying causes |
Oncologic | No underlying causes |
Opthalmologic | No underlying causes |
Overdose / Toxicity | No underlying causes |
Psychiatric | No underlying causes |
Pulmonary | No underlying causes |
Renal / Electrolyte | No underlying causes |
Rheum / Immune / Allergy | No underlying causes |
Sexual | No underlying causes |
Trauma | No underlying causes |
Urologic | No underlying causes |
Dental | No underlying causes |
Miscellaneous | No underlying causes |
Causes of LBBB in Alphabetical Order
- Chagas disease
- Coronary Artery Disease
- Dilated cardiomyopathy
- Endocarditis
- Hemochromatosis
- Hypertension
- Hypertrophic obstructive cardiomyopathy (HOCM)
- Ischemic heart disease
- Left ventricular hypertrophy
- Left ventricular outflow tract surgery
- Lyme disease [1]
- Myocardial infarction
- Myocardial ischemia
- Myocarditis
- Primary disease of the cardiac electrical conduction system
- Progressive conduction system disease
- Rheumatic fever with aortic valve involvement
- Sarcoidosis
- Scleroderma
- Septal myomectomy