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2. CO-oximeter - Wikipedia

   en.wikipedia.org/wiki/CO-oximeter

   Finger tip carboxyhemoglobin saturation monitor.. A CO-oximeter is a device that measures the oxygen carrying state of hemoglobin in a blood specimen, including oxygen-carrying hemoglobin (O2Hb), non-oxygen-carrying but normal hemoglobin (HHb) (formerly, but incorrectly, referred to as 'reduced' hemoglobin), as well as the dyshemoglobins such as carboxyhemoglobin (COHb) and methemoglobin (MetHb).

3. 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]

4. Allen's test - Wikipedia

   en.wikipedia.org/wiki/Allen's_test

   In the modified Allen test, one hand is examined at a time: [2] The patient is asked to clench their fist for about 30 seconds. Pressure is applied over the ulnar and the radial arteries so as to occlude both of them. Still elevated, the hand is then opened. It should appear blanched (pallor may be observed at the finger nails).

5. Fingerstick - Wikipedia

   en.wikipedia.org/wiki/Fingerstick

   Blood glucose monitoring In medicine , some blood tests are conducted on capillary blood obtained by fingerstick (or fingerprick ) (or, for neonates , by an analogous heelprick ). The site, free of surface arterial flow , where the blood is to be collected is sterilized with a topical germicide , and the skin pierced with a sterile lancet . [ 1 ]

6. Oxygen saturation (medicine) - Wikipedia

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

   Arterial blood oxygen levels below 80 percent may compromise organ function, such as the brain and heart, and should be promptly addressed. Continued low oxygen levels may lead to respiratory or cardiac arrest. Oxygen therapy may be used to assist in raising blood oxygen levels. Oxygenation occurs when oxygen molecules (O 2) enter the tissues ...

7. Transcutaneous oxygen measurement - Wikipedia

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

   In addition for the measurement to be normal, all parts of the oxygenation pathway must be functioning: the lungs must be able to oxygenate the blood, the heart must be able to pump the blood, and a patent artery must be able to carry blood to the skin. Without comorbidities, wounds are thought to be able to heal if the oxygen tension is ...