Pulsed doppler echocardiographic detection of mitral regurgitation in mitral valve prolapse: Correlation with cardiac arrhythmias

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Abstract
The incidence of mitral regurgitation in mitral valve prolapse was studied retrospectively in 88 consecutive hospital based patients with mitral valve prolapse using pulsed Doppler echocardiography. Pulsed Doppler findings of turbulence in the left atrium were predictive of angiographic findings of mitral regurgitation in 31 patients. On 24‐hr Holter monitoring, patients with mitral valve prolapse and mitral insufficiency had a higher prevalence of ventricular arrhythmias than patients without mitral insufficiency (61 vs 22%; P < 0.02). Detection of mitral insufficiency identified individuals with mitral valve prolapse who are at higher risk of ventricular arrhythmias.