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solololo20055
Normal arterial oxygen is approximately 75 to 100 millimeters of mercury. Values under 60 mm usually indicate the need for supplemental oxygen. Normal pulse odometer reading usually range from 95 to 100 percent. Values under 90% are considered low.
gqrbeg
normal oxygen levels in a pulse oximeter usually range from 95% to 100%. Blood oxygen levels that are below 90% are considered low (hypoxemia)

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