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  2. Hyperoxia - Wikipedia

    en.wikipedia.org/wiki/Hyperoxia

    Signs and symptoms of oxygen toxicity are usually prevalent, but there are no standard warning signs that suggest a seizure is about to ensue. The convulsion caused by oxygen toxicity does not lead to hypoxia, a side effect common to most seizures, because the body has an excess amount of oxygen when the convulsion begins.

  3. The problem with pulse oximeters your doctor probably doesn’t ...

    www.aol.com/news/problem-pulse-oximeters-doctor...

    The gold standard and most accurate way of testing whether a person has normal oxygen levels is to stick a needle into a person’s wrist and draw blood. An arterial blood draw, as it’s called ...

  4. Effect of oxygen on chronic obstructive pulmonary disease

    en.wikipedia.org/wiki/Effect_of_oxygen_on...

    Many people with chronic obstructive pulmonary disease have a low partial pressure of oxygen in the blood and high partial pressure of carbon dioxide.Treatment with supplemental oxygen may improve their well-being; alternatively, in some this can lead to the adverse effect of elevating the carbon dioxide content in the blood (hypercapnia) to levels that may become toxic.

  5. Respiratory compromise - Wikipedia

    en.wikipedia.org/wiki/Respiratory_compromise

    For this test, a small sensor is attached to the patient's finger or ear. The sensor uses light to estimate how much oxygen is in the blood. A pulse oximeter works by beaming red and infrared light through capillaries. The amount of red and infrared light transmitted provides an approximate measure of oxygen in the blood.

  6. Altitude sickness - Wikipedia

    en.wikipedia.org/wiki/Altitude_sickness

    However, the following treatments have been used when the patient's location and circumstances permit: Oxygen may be used for mild to moderate AMS below 3,700 metres (12,000 ft) and is commonly provided by physicians at mountain resorts. Symptoms abate in 12 to 36 hours without the need to descend. [citation needed]

  7. Oxygen therapy - Wikipedia

    en.wikipedia.org/wiki/Oxygen_therapy

    Oxygen therapy, also referred to as supplemental oxygen, is the use of oxygen as medical treatment. [1] Supplemental oxygen can also refer to the use of oxygen enriched air at altitude. Acute indications for therapy include hypoxemia (low blood oxygen levels), carbon monoxide toxicity and cluster headache .

  8. Silent hypoxia - Wikipedia

    en.wikipedia.org/wiki/Silent_hypoxia

    In COVID-19, the arterial and general tissue oxygen levels can drop without any initial warning.The chest x-ray may show diffuse pneumonia.Cases of silent hypoxia with COVID-19 have been reported for patients who did not experience shortness of breath or coughing until their oxygen levels had depressed to such a degree that they were at risk of acute respiratory distress (ARDS) and organ failure.

  9. Obesity hypoventilation syndrome - Wikipedia

    en.wikipedia.org/wiki/Obesity_hypoventilation...

    In some occasions, the oxygen levels are persistently too low (oxygen saturations below 90%). In that case, the hypoventilation itself may be improved by switching from CPAP treatment to an alternate device that delivers "bi-level" positive pressure: higher pressure during inspiration (breathing in) and a lower pressure during expiration ...

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