Mackram F. Eleid et al. JIMG 2016;9:1318-1337 CT Measurement of Baseline and Projected Left Ventricular Outflow Tract Area CT angiogram reformatted to show the LVOT without and with (“Neo-LVOT”) (arrows) a simulated 29-mm valve placed in the mitral position. The LVOT area without the valve is 335 mm2(top) and with the valve is 53 mm2(bottom). Predicted percentage of obstruction is 84%. Abbreviations as in Figures 4 and 8. Mackram F. Eleid et al. JIMG 2016;9:1318-1337 American College of Cardiology Foundation