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  2. Fraction of inspired oxygen - Wikipedia

    en.wikipedia.org/wiki/Fraction_of_Inspired_Oxygen

    Fraction of inspired oxygen (F I O 2), correctly denoted with a capital I, [1] is the molar or volumetric fraction of oxygen in the inhaled gas. Medical patients experiencing difficulty breathing are provided with oxygen-enriched air, which means a higher-than-atmospheric F I O 2.

  3. Oxygenation index - Wikipedia

    en.wikipedia.org/wiki/Oxygenation_index

    The oxygenation index is a calculation used in intensive care medicine to measure the fraction of inspired oxygen (FiO2) and its usage within the body. A lower oxygenation index is better - this can be inferred by the equation itself. As the oxygenation of a person improves, they will be able to achieve a higher PaO2 at a lower FiO2.

  4. Minute ventilation - Wikipedia

    en.wikipedia.org/wiki/Minute_ventilation

    The healthy human body will alter minute volume in an attempt to maintain physiologic homeostasis. A normal minute volume while resting is about 5–8 liters per minute in humans. [1] Minute volume generally decreases when at rest, and increases with exercise. For example, during light activities minute volume may be around 12 litres.

  5. Horowitz index - Wikipedia

    en.wikipedia.org/wiki/Horowitz_index

    The Horowitz index is defined as the ratio of partial pressure of oxygen in blood , in millimeters of mercury, and the fraction of oxygen in the inhaled air (FiO2) — the PaO 2 /FiO 2 ratio. This is calculated by dividing the PaO2 by the FiO2.

  6. Alveolar gas equation - Wikipedia

    en.wikipedia.org/wiki/Alveolar_gas_equation

    The partial pressure of oxygen (pO 2) in the pulmonary alveoli is required to calculate both the alveolar-arterial gradient of oxygen and the amount of right-to-left cardiac shunt, which are both clinically useful quantities. However, it is not practical to take a sample of gas from the alveoli in order to directly measure the partial pressure ...

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  8. How to drink less during the holidays: 5 expert tips to help ...

    www.aol.com/lifestyle/drink-less-during-holidays...

    The holidays are here, and the booze is flowing. From wine at Thanksgiving dinner to the steady stream of eggnog and festive cocktails at holiday parties to toasting the new year with a glass of ...

  9. Lung compliance - Wikipedia

    en.wikipedia.org/wiki/Lung_compliance

    Pulmonary compliance is calculated using the following equation, where ΔV is the change in volume, and ΔP is the change in pleural pressure: = For example, if a patient inhales 500 mL of air from a spirometer with an intrapleural pressure before inspiration of −5 cm H 2 O and −10 cm H 2 O at the end of inspiration.