Pulse oximeter. Close-up of a pulse oximeter on the finger of an 81-year-old woman with COPD (chronic obstructive pulmonary disease). A pulse oximeter

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Pulse oximeter. Close-up of a pulse oximeter on the finger of an 81-year-old woman with COPD (chronic obstructive pulmonary disease). A pulse oximeter, also known as a blood oxygen meter, measures the pulse rate and oxygen concentration of the blood. It measures the oxygen concentration by measuring the absorption of light as it passes through the fingertip.

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Size: 5520px × 3680px
Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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