Causes of Diastolic Murmurs - Differential Diagnosis Algorithm

Early Diastolic:

 • Aortic Regurgitation

 • Pulmonary Regurgitation (Graham-Steell Murmur)

Mid-Diastolic:

 • Mitral Stenosis

 • Tricuspid Stenosis

 • Severe Aortic Regurgitation (Austin Flint Murmur)

 • Atrial Myxoma Prolapse

Late Diastolic:

 • Mitral Stenosis

 • Tricuspid Stenosis

 • Myxoma



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