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Point-of-care or 'near-patient' testing has received attention in recent years for its usefulness in rapid and reliable delivery of healthcare to a patient in a variety of clinical settings. Near-infrared spectroscopy (NIRS)-derived optical biomarkers (e.g., tissue oxygen saturation) have been utilized to monitor tissue vascularity and oxygenation status continuously in normal and patient populations. Despite its ease of use and modest cost, the NIRS modality is still not at point-of-care usedoi:10.37266/iser.2017v5i1.pp93-100 fatcat:dp3u4jg7p5dbxdckzltmwywdsq