... Applications of near-infrared spectroscopic (NIRS) imaging to detection, localization and grading of acute cardiac ischemia and chronic infarction in pig models in vivo are described. ... Kinetics of passage of NIR flow tracer, indocyanine green (ICG), imaged at 800 nm provided relative flow distribution. ... NIRS imaging is well suited for intra-operative applications during coronary artery bypass surgery in humans. ... 2007 Biophysics dep., ...