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Pulse Oximeter, finger digital device to measure oxygen saturation in blood. Reduced oxygenation is an emergency sign of pneumonia, instance caused by Stock Photo - Alamy
Manuchant - The fingertip pulse oximeter is a small device that uses a light beam to estimate the blood oxygen saturation and pulse. It is attached to a finger for readings. This
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Pulse oximeters that can help you check pulse rate & blood oxygen levels | - Times of India (October, 2023)
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