The Accuracy of 6 Inexpensive Pulse Oximeters Not
2016-6-10 · All pulse oximeters marketed for medical use in the United States are required by the Food and Drug Administration (FDA) to have been tested and certified to be accurate to root mean square error (ARMS) of <3% at Sao2 between 70% and 100%.13 The great majority of calibration and confirmation tests are done on healthy volunteer subjects.The purpose of this study was to evaluate the accu-racy of several low-cost pulse oximeters as a sample of the large number of such devices currently available for pur-chase on the Internet, in pharmacies, and in retail stores for <50 USD. We hypothesize that inexpensive pulse oximeters …
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