What is the normal O2 saturation range?

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Multiple Choice

What is the normal O2 saturation range?

Oxygen saturation shows how much hemoglobin in the blood is carrying oxygen, and pulse oximetry is the common bedside way to measure it. In healthy adults breathing room air at sea level, normal saturation is about 95% to 100%. Values in the mid to high 90s are typical, and 95-100% is the range most often taught as normal. Values below about 95% may indicate reduced oxygenation and warrant further assessment, while 100% is the upper limit of the scale. So the best-match normal range is 95-100%.

Oxygen saturation shows how much hemoglobin in the blood is carrying oxygen, and pulse oximetry is the common bedside way to measure it. In healthy adults breathing room air at sea level, normal saturation is about 95% to 100%. Values in the mid to high 90s are typical, and 95-100% is the range most often taught as normal. Values below about 95% may indicate reduced oxygenation and warrant further assessment, while 100% is the upper limit of the scale. So the best-match normal range is 95-100%.

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