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  2. Pneumothorax - Wikipedia

    en.wikipedia.org/wiki/Pneumothorax

    Still, they may be useful in the detection of a pneumothorax when clinical suspicion is high but yet an inspiratory radiograph appears normal. [32] Also, if the PA X-ray does not show a pneumothorax but there is a strong suspicion of one, lateral X-rays (with beams projecting from the side) may be performed, but this is not routine practice ...

  3. Continuous positive airway pressure - Wikipedia

    en.wikipedia.org/wiki/Continuous_positive_airway...

    Continuous positive airway pressure (CPAP) is a form of positive airway pressure (PAP) ventilation in which a constant level of pressure greater than atmospheric pressure is continuously applied to the upper respiratory tract of a person.

  4. Fraction of inspired oxygen - Wikipedia

    en.wikipedia.org/wiki/Fraction_of_Inspired_Oxygen

    A P a O 2 /F I O 2 ratio less than or equal to 250 mmHg is one of the minor criteria for severe community acquired pneumonia (i.e., possible indication for inpatient treatment). A P a O 2 /F I O 2 ratio less than or equal to 333 mmHg is one of the variables in the SMART-COP risk score for intensive respiratory or vasopressor support in ...

  5. Chronic obstructive pulmonary disease - Wikipedia

    en.wikipedia.org/wiki/Chronic_obstructive...

    Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by chronic respiratory symptoms and airflow limitation. [8] GOLD 2024 defined COPD as a heterogeneous lung condition characterized by chronic respiratory symptoms (dyspnea or shortness of breath, cough, sputum production and/or exacerbations) due to abnormalities of the airways (bronchitis ...

  6. Oxygen toxicity - Wikipedia

    en.wikipedia.org/wiki/Oxygen_toxicity

    Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O 2) at increased partial pressures.Severe cases can result in cell damage and death, with effects most often seen in the central nervous system, lungs, and eyes.

  7. Spirometry - Wikipedia

    en.wikipedia.org/wiki/Spirometry

    2.5 Forced inspiratory flow 25–75% or 25–50%. 2.6 Peak expiratory ... Since hemoglobin has a greater affinity to CO than oxygen the breath-hold time can be only ...

  8. Moral Injury: The Grunts - The ... - The Huffington Post

    projects.huffingtonpost.com/moral-injury/the-grunts

    Dr. James Bender, a former Army psychologist who spent a year in combat in Iraq with a cavalry brigade, saw many cases of moral injury among soldiers. Some, he said, “felt they didn’t perform the way they should. Bullets start flying and they duck and hide rather than returning fire – that happens a lot more than anyone cares to admit.”

  9. Exercise-induced pulmonary hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Exercise-induced_pulmonary...

    By reducing inspiratory resistance, the strip decreases the negative pressure on the delicate blood-gas barrier, thus reducing capillary rupture and consequent hemorrhage into the airways. Moreover, the nasal strip elicits a proportionately greater reduction in inspiratory resistance and EIPH as exercise duration and intensity increases.