Fig. 4From: Diagnostic performance of deep learning and computational fluid dynamics-based instantaneous wave-free ratio derived from computed tomography angiographyA CCTA demonstrating 41% stenosis at the portion of LAD (red arrow); B a computed AccuiFRct value of 0.88 (red arrow); C Coronary catheter angiography shows a stenosis (red arrow) with an iFR measurement of 0.86. iFR, instantaneous wave-free ratio; AccuiFRct, instantaneous wave-free ratio derived from computed tomography; CCTA coronary computed tomography angiography, LAD left anterior descending arteryBack to article page