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2. Heart rate - Wikipedia

   en.wikipedia.org/wiki/Heart_rate

   Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm). The heart rate varies according to the body's physical needs, including the need to absorb oxygen and excrete carbon dioxide .

3. Vital signs - Wikipedia

   en.wikipedia.org/wiki/Vital_signs

   The pulse is the rate at which the heart beats while pumping blood through the arteries, recorded as beats per minute (bpm). [11] It may also be called "heart rate". In addition to providing the heart rate, the pulse should also be evaluated for strength and obvious rhythm abnormalities. [11] The pulse is commonly taken at the wrist (radial ...

4. Normal Pulse Oximetry Ranges and How to Take a Reading - AOL

   www.aol.com/lifestyle/normal-pulse-oximetry...

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5. Pulse oximetry - Wikipedia

   en.wikipedia.org/wiki/Pulse_oximetry

   A pulse oximeter probe applied to a person's finger. A pulse oximeter is a medical device that indirectly monitors the oxygen saturation of a patient's blood (as opposed to measuring oxygen saturation directly through a blood sample) and changes in blood volume in the skin, producing a photoplethysmogram that may be further processed into other measurements. [4]

6. Oxygen saturation (medicine) - Wikipedia

   en.wikipedia.org/wiki/Oxygen_saturation_(medicine)

   Pulse oximetry is a method used to estimate the percentage of oxygen bound to hemoglobin in the blood. [10] This approximation to SaO 2 is designated SpO 2 (peripheral oxygen saturation). The pulse oximeter is a small device that clips to the body (typically a finger, an earlobe or an infant's foot) and displays its reading, or transfers it to ...

7. Oakland clinic gets medical device maker to disclose risk of ...

   www.aol.com/news/oakland-clinic-gets-medical...

   When Dr. Noha Aboelata learned that research stretching back decades showed that pulse oximeters routinely failed patients with darker skin, she took action.