Figure 2
From: Quantification of myocardial oxygen consumption with 17O-CMR: initial study
A 100% stenosis resulted in perfusion deficit in lateral wall (arrow on perfusion map). Resting T1p-weighted ratio image shows less signal drop in lateral wall after injection of 17O-PFD (arrow in post-T1p) compared to signals in the rest of the myocardium. The deficit area in the post-T1p image (yellow circle) is much smaller than the hypo-perfusion area in the perfusion map (yellow ROI).