![]() ![]() The American Thoracic Society says that typically, more than 89 percent of your blood should be carrying oxygen. The Food and Drug Administration (FDA) requires that prescription oximeters must provide results within an accuracy range of 4 to 6 percent. With this equipment, medical professionals can carry out the tests accurately. This is especially true when using high quality equipment found in most medical offices or hospital settings. Pulse oximetry tests are an estimation of blood oxygen levels, but they’re typically precise.
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