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  2. Bradypnea - Wikipedia

    en.wikipedia.org/wiki/Bradypnea

    Bradypnea is abnormally slow breathing. The respiratory rate at which bradypnea is diagnosed depends on the age of the person, with the limit higher during childhood. Age ranges

  3. Shortness of breath - Wikipedia

    en.wikipedia.org/wiki/Shortness_of_breath

    Shortness of breath (SOB), known as dyspnea (in AmE) or dyspnoea (in BrE), is an uncomfortable feeling of not being able to breathe well enough. The American Thoracic Society defines it as "a subjective experience of breathing discomfort that consists of qualitatively distinct sensations that vary in intensity", and recommends evaluating dyspnea by assessing the intensity of its distinct ...

  4. Acute respiratory distress syndrome - Wikipedia

    en.wikipedia.org/wiki/Acute_respiratory_distress...

    In effect, ARDS impairs the lungs' ability to exchange oxygen and carbon dioxide. [1] Adult diagnosis is based on a PaO 2 /FiO 2 ratio (ratio of partial pressure arterial oxygen and fraction of inspired oxygen) of less than 300 mm Hg despite a positive end-expiratory pressure (PEEP) of more than 5 cm H 2 O. [ 1 ] Cardiogenic pulmonary edema ...

  5. Hypopnea - Wikipedia

    en.wikipedia.org/wiki/Hypopnea

    However, this closure is still enough to cause a physiological effect i.e., an oxygen desaturation and/or an increase in breathing effort terminating in arousal. A Hypopnea Index (HI) can be calculated by dividing the number of hypopnea events during the sleep period by the number of hours of sleep.

  6. 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. Natural air includes 21% oxygen, which is equivalent to F I O 2 ...

  7. Respiratory examination - Wikipedia

    en.wikipedia.org/wiki/Respiratory_examination

    Place the bony parts of the palm around the borders of the patient's scapulae while he or she says "ninety-nine" or "one one one" to test for fremitus. Repeat the sequence on the front of the chest. A decrease in fremitus may be observed if the patient has a soft voice, obstructed bronchus, COPD , pneumothorax , or other disease or injuries ...

  8. Respiratory rate - Wikipedia

    en.wikipedia.org/wiki/Respiratory_rate

    A fibre-optic breath rate sensor can be used for monitoring patients during a magnetic resonance imaging scan. [1] Respiration rates may increase with fever, illness, or other medical conditions. [2] Inaccuracies in respiratory measurement have been reported in the literature. [3]

  9. Hypoxemia - Wikipedia

    en.wikipedia.org/wiki/Hypoxemia

    Hypoxemia (also spelled Hypoxaemia) is an abnormally low level of oxygen in the blood. [1] [2] More specifically, it is oxygen deficiency in arterial blood. [3] Hypoxemia is usually caused by pulmonary disease. Sometimes the concentration of oxygen in the air is decreased leading to hypoxemia.

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