Fig. 2
From: A novel fluorescent cardiac imaging system for preclinical intraoperative angiography
Quantitation of video angiography. a Six ROIs which were randomly selected at various levels of coronary circulation. Scale bar: 1 mm. b Time-dependent fluorescence intensity curve (TIC) showing intensity dynamics over the time. TIC was used to extract parameters such as peak intensity (PI), arrival time (AT), time to peak (TTP), blood volume (BV) and gradient (G) which represent the perfusion status