Figure 3.

Curved MPR images of LM coronary artery to LAD artery and their corresponding axial images (inset). The images represent VCE scores of (A) Grade 3—acceptable opacification, sufficient for diagnosis; (B) Grade 4—good opacification of proximal and distal segments; and, (C) Grade 5—excellent opacification of proximal and distal segments. All images were displayed at a same window width of 800 and level of 300. MPR, multiplanar reformation; LM, left main; LAD, left anterior descending; VCE, vessel contrast enhancement.