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. 2022 Jun 15;111(12):1336–1347. doi: 10.1007/s00392-022-02046-7

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Fig. 1 — Multisliced Computed Tomography and Echocardiographic Measurements. A The Aortic Annulus was measured at the nadirs of the coronary cusps. B The left ventricular outflow tract (LVOT) (red line), used for the calculation of effective orifice area, was measured from the outer-to-outer border of the ventricular side of the stented valve. C Continuous wave doppler was measured across the aortic valve. D A pulsed-wave Doppler sample was placed in the LVOT to measure the LVOT velocity time integral