Using near-infrared spectroscopy, the INVOS (In-Vivo Optical Spectroscopy) System provides real-time, site-specific cerebral/somatic measurements of de-oxygenated and oxygenated hemoglobin molecules within red blood cells through a noninvasive oximeter. Perioperative professionals can use the vital sign information monitored by this technology to detect and correct site-specific blood oxygenation issues that can lead to complications and poor outcomes. AORN J 90 (September 2009) 431-433. (c) AORN, Inc, 2009.
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