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Fig. 2 | BMC Cardiovascular Disorders

Fig. 2

From: 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 implantation

Fig. 2

Changes in aortic flow, peak LVOT velocity, MPG, Vmax and AVA from rest to peak dobutamine stress echocardiography. AVA, aortic valve area; LVOT, left ventricular outflow tract; MPG, mean aortic pressure gradient; SVi, stroke volume index; Vmax, peak aortic jet velocity

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