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BACKGROUND The ratio of the early transmitral flow velocity to the early diastolic tissue velocity (E/Em) has been suggested as a reliable estimate of left ventricular diastolic pressures (LVDP).(More)
AIMS Colour tissue Doppler (TD) has been reported to underestimate the longitudinal myocardial motion velocities measured with spectral TD. This study evaluates the effect of temporal smoothing and(More)
To investigate the role of 2D-transthoracic echocardiography (2D-TTE) and 3D-transesophageal echocardiography (3D-TEE) in the determination of aortic annulus size prior transcatheter aortic valve(More)