3D Ultrasound Myocardial Mechanical Wave Measurements

Inclusion Criteria

• •Severe primary MR patients (effective regurgitation orifice area ≥ 40mm²) with class I indication for surgery (symptoms and/or altered conventional parameters of LV function) (n=10 patients)
• •Severe primary MR patients (effective regurgitation orifice area ≥ 40mm²) without class I indication of surgery (n=20 patients)
• •Mild to moderate primary MR patients as defined by effective regurgitation orifice area ≥ 20mm² and \< 40mm² (n=10 patients)