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2. 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]

3. Photoplethysmogram - Wikipedia

   en.wikipedia.org/wiki/Photoplethysmogram

   A photoplethysmogram (PPG) is an optically obtained plethysmogram that can be used to detect blood volume changes in the microvascular bed of tissue. [1] [2] A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. [3]

4. Oxygen saturation (medicine) - Wikipedia

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

   At 1,600 meters' altitude (about one mile high) oxygen saturation should be above 92%. [11] An SaO 2 (arterial oxygen saturation) value below 90% causes hypoxia (which can also be caused by anemia). Hypoxia due to low SaO 2 is indicated by cyanosis, but oxygen saturation does not directly reflect tissue oxygenation. The affinity of hemoglobin ...

5. She Lived with These Parkinson’s Symptoms for Over a ... - AOL

   www.aol.com/she-lived-parkinson-symptoms-over...

   Veronica Brown lived with chronic fatigue, depression, and anxiety for over 10 years before she learned they were early signs of Parkinson's disease. Here's how she found relief after diagnosis.

6. Julian Lennon underwent surgery to treat skin cancer ... - AOL

   www.aol.com/julian-lennon-underwent-surgery...

   Julian Lennon is navigating a health scare this holiday season.. The British musician, son of Beatles member John Lennon, revealed in a lengthy X post on Wednesday that he was recently diagnosed ...

7. Transcutaneous oxygen measurement - Wikipedia

   en.wikipedia.org/wiki/Transcutaneous_oxygen...

   To perform the test, one set of electrodes are placed on viable tissue (e.g. the chest) as a control and a second set is placed around the tissue in question (e.g. legs or feet). The electrodes may mildly heat the skin to increase blood flow into the area. Oxygen may also be given to the patient to see if that increases oxygen levels in the tissue.