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The echocardiographic association of mitral valve prolapse and mitral anulus calcification

Mitral anulus calcification (MAC) and mitral valve prolapse (MVP) are frequently diagnosed conditions. We studied two patients with mild or moderate mitral regurgitation who demonstrated both MAC and MVP on angiography and echocardiography. M‐mode echocardiography is probably the definitive test for confirming the presence of MVP. Echocardiography is moderately sensitive in the diagnosis of cardiac calcification, such as MAC, but M‐mode echocardiography may not detect the MAC in the majority of patients with both MVP and MAC demonstrated by angiography.