Left atrial enlargement causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Varun Kumar, M.B.B.S. [2]

Differential Diagnosis of Causes of Left Atrial Enlargement

In alphabetical Order

• Alcoholism
• Ankylosing spondylitis
• Aortic regurgitation
• Aortic stenosis
• Atrial fibrillation
• Atrial septal defect
• Coarctation of the aorta
• Congestive heart failure
• Emphysema
• Hypertrophic cardiomyopathy
• Hypoplasia of mitral valve annulus which is a part of the spectrum of hypoplastic left heart syndrome
• Infective endocarditis
• Ischemic mitral regurgitation
• Left atrial myxoma
• Left bundle branch block
• Mitral regurgitation
• Mitral stenosis
• Mitral valve annular calcification
• Mitral valve commissural fusion
• Obesity
• Papillary muscle rupture
• Parachute mitral valve
• Pneumonia
• Prosthetic mitral valve
• Rheumatic heart disease
• Supra-valve mitral membrane
• Systemic hypertension
• Thickened chordae tendinae
• Thrombus (ball valve thrombus) in left atrium