Fig. 4From: The clinical significance of the incorporation of tissue Doppler imaging into low-dose Dobutamine stress echocardiography in patients with aortic stenosis prior to Transcatheter aortic valve implantationBioprosthesis in aortic position and annulus diameter (a), SVi and peak LVOT velocity (b) and MPG immediately after TAVI (C). LVOT, left ventricular outflow tract; MPG, mean aortic pressure gradient; SVi, stroke volume indexBack to article page