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Pulse Oximeter

Pulse oximetry is a noninvasive test that measures the oxygen saturation level of your blood.

It can rapidly detect even small changes in oxygen levels. These levels show how efficiently blood is carrying oxygen to the extremities furthest from your heart, including your arms and legs.

The pulse oximeter is a small, clip-like device. It attaches to a body part, most commonly to a finger.

The pulse oximeter will be able to tell you your oxygen saturation levels along with your heart rate.

How to take a reading

  • Remove any jewelry or fingernail polish on your finger if measuring from this location.

  • Make sure your hand is warm, relaxed, and below heart level if attaching the device here.

  • Place the device on your finger, earlobe, or toe.

  • Keep the device on for as long as needed to monitor your pulse and oxygen saturation.

  • Remove the device once the test is over.

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