单词	pulse oximetry
释义	pulse oximetry noun 1 : a method that utilizes spectrophotometry to measure the oxygen saturation of circulating arterial blood by means of a pulse oximeter Her oxygen saturation by pulse oximetry was 97% to 99%. Charles Wiener Before pulse oximetry, the only option for measuring a patient's oxygen saturation was a painful invasive arterial blood gas test and it typically took a minimum of 20 to 30 minutes to obtain the result. Keri Forsythe-Stephens Pulse oximetry is a spectrophotometry technology which determines the arterial oxygen saturation by the detection of pulsatile blood flow and is based on differing absorption spectra of oxyhemoglobin and deoxyhemoglobin which includes the red and near-infrared wavelengths of light. Shruti Singh et al. 2 plural pulse oximetries : a test using pulse oximetry … the patient would undergo pulse oximetries in their own homes conducted at rest, with activity, and overnight. Hospital Home Health Word History First Known Use 1983, in the meaning defined at sense 1 Medical Definition pulse oximetry noun 1 : a method that utilizes spectrophotometry to measure the oxygen saturation of circulating arterial blood by means of a pulse oximeter Patients should be monitored carefully by direct observation and pulse oximetry. Oxygen should be supplemented … to keep the oxygen saturation of hemoglobin between 90 and 96%. David A. Berlin, The New England Journal of Medicine Pulse oximetry is a spectrophotometry technology which determines the arterial oxygen saturation by the detection of pulsatile blood flow and is based on differing absorption spectra of oxyhemoglobin and deoxyhemoglobin which includes the red and near-infrared wavelengths of light. Shruti Singh et al., Lung India 2 plural pulse oximetries : a test using pulse oximetry … most pulse oximetries are taken during the day with the patient awake and sitting upright … Kenneth A. Wyka, Journal for Respiratory Care & Sleep Medicine
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