A pulse oximeter is a painless, portable medical device that clips onto your fingertip to quickly estimate the percentage of oxygen in your blood (SpO₂) and your pulse rate. It operates by shining harmless light beams through your skin
A pulse oximeter is a painless, portable medical device that clips onto your fingertip to quickly estimate the percentage of oxygen in your blood (SpO₂) and your pulse rate. It operates by shining harmless light beams through your skin
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