oxygen saturation
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Related to oxygen saturation: oxygen saturation test, Central Venous Oxygen Saturation, oxygen saturation curve
saturation
[sach″er-a´shun]the state of being saturated, or the act of saturating.
oxygen saturation the amount of oxygen bound to hemoglobin in the blood, expressed as a percentage of the maximal binding capacity.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
oxygen saturation
sO2 The O2 concentration of blood expressed as a ratio of its total O2-carrying capacity; the OS is a measure of the utilization of O2 transport capacity; sO2 is ↑ at high altitude, hypocapnia, hypothermia, ↑ cardiac output, O2 therapy, PEEP–positive end-expiratory pressure ventilation, and respiratory alkalosis. sO2 is ↓ with AV shunting, carbon monoxide poisoning, congenital cardiac defects, emphysema, hypercapnia, hypoventilation, hypoxia, respiratory acidosis Ref range 95-98% arterial; 60-80% venousMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
ox·y·gen sat·u·ra·tion
(SaO2) (ok-si'jĕn sach'ŭr-ā'shŭn)The percentage of oxygen-binding sites in blood that are combined with oxygen.
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