E arly diastolic septal "bounce" is noted in M-mode. M-mode also reveals rapid relaxation of posterior wall followed by "flattening" of motion throughout diastole.
Q.1
Transthoracic-echocardiographic long-axis view in end-systole with a displacement of both leaflet >2 mm (red arrow) above the plane of the annulus (red line) defining a bileaflet mitral valve prolapse with thick leaflets linked to myxomatous degeneration.