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  2. Transcutaneous oxygen measurement - Wikipedia

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

    The normal oxygen tension in the foot is approximately 60 mmHg, and the normal chest/foot ratio is approximately 0.9. [2] Many factors can limit the accuracy of the test including edema, temperature, inflammation, medications, and stress. In addition for the measurement to be normal, all parts of the oxygenation pathway must be functioning: the ...

  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. Diving cylinder - Wikipedia

    en.wikipedia.org/wiki/Diving_cylinder

    Typical submersible pressure gauge Gas pressure in diving cylinders is measured in both United States customary units psi (pounds per square inch) and metric bar, where 1 bar equals 100 kPa, 0.1 MPa or about 14.5 psi. The face of this US-made cylinder pressure gauge is calibrated in pounds per square inch in red and kilopascals in black.

  5. What Is a Normal Oxygen Level and How Can I Check Mine? - AOL

    www.aol.com/normal-oxygen-level-check-mine...

    Oxygen levels and Covid-19. Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during ...

  6. Blood gas tension - Wikipedia

    en.wikipedia.org/wiki/Blood_gas_tension

    Arterial blood oxygen tension (normal) P a O 2 – Partial pressure of oxygen at sea level (160 mmHg in the atmosphere, 21% of standard atmospheric pressure of 760 mmHg) in arterial blood is between 75 mmHg and 100 mmHg. [4] [5] [6] Venous blood oxygen tension (normal) P v O 2 – Oxygen tension in venous blood at sea level is between 30 mmHg ...

  7. Pressure regulator - Wikipedia

    en.wikipedia.org/wiki/Pressure_regulator

    A typical nominal regulated gauge pressure from a medical oxygen regulator is 3.4 bars (50 psi), for an absolute pressure of approximately 4.4 bar and a pressure ratio of about 4.4 without back pressure, so they will have choked flow in the metering orifices for a downstream (outlet) pressure of up to about 2.3 bar absolute.

  8. Would a government shutdown affect mail delivery? What to know

    www.aol.com/news/government-shutdown-affect-mail...

    With a potential government shutdown looming ahead of the holidays, here's what you need to know if mail services will be impacted by it.

  9. What Is a Normal Oxygen Level and How Can I Check Mine? - AOL

    www.aol.com/lifestyle/normal-oxygen-level-check...

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