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. 2013 Dec 23;8(12):e83950. doi: 10.1371/journal.pone.0083950

Figure 4. Qualitative and quantitative assessment of myocardial perfusion.

Figure 4

An asymptomatic patient in his 60’s with coronary artery disease. Figures 4A and 4B show cardiac short-axis views at the apical and the mid-ventricular level, respectively. The corresponding time attenuation curves within the regions of interest at the 2 levels (C and D, respectively) show a slight delay in contrast enhancement (red arrow, C) in subendocardial HPA in the apical region (red arrow, A), indicating lower myocardial blood flow. Catheter coronary angiography reveals moderate (50–70%) stenosis in the distal portion of the left anterior descending artery (red arrow, E) and no stenosis in the right coronary artery (F).