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  2. Hypopnea - Wikipedia

    en.wikipedia.org/wiki/Hypopnea

    Hypopnea during sleep is classed as a sleep disorder. With moderate to severe hypopnea, sleep is disturbed such that patients may get a full night's sleep but still not feel rested. The disruption in breathing causes a drop in blood oxygen level, which may in turn disrupt the stages of sleep.

  3. Paroxysmal nocturnal dyspnoea - Wikipedia

    en.wikipedia.org/wiki/Paroxysmal_nocturnal_dyspnoea

    With paroxysmal nocturnal dyspnea specifically, it is felt while sleeping and causes a person to wake up after about 1 to 2 hours of sleep. [ 3 ] More serious forms of dyspnea can be identified through accompanying findings, such as low blood pressure, decreased respiratory rate, altered mental status, hypoxia, cyanosis, stridor, or unstable ...

  4. Hypoxemia - Wikipedia

    en.wikipedia.org/wiki/Hypoxemia

    Tissue hypoxia refers to low levels of oxygen in the tissues of the body and the term hypoxia is a general term for low levels of oxygen. [2] Hypoxemia is usually caused by pulmonary disease whereas tissue oxygenation requires additionally adequate circulation of blood and perfusion of tissue to meet metabolic demands.

  5. Normal Pulse Oximetry Ranges and How to Take a Reading - AOL

    www.aol.com/lifestyle/normal-pulse-oximetry...

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  6. Obesity hypoventilation syndrome - Wikipedia

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

    The second is OHS primarily due to "sleep hypoventilation syndrome"; this requires a rise of CO 2 levels by 10 mmHg (1.3 kPa) after sleep compared to awake measurements and overnight drops in oxygen levels without simultaneous apnea or hypopnea. [4] [11] Overall, 90% of all people with OHS fall into the first category, and 10% in the second. [5]

  7. Sleep-related breathing disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep-related_breathing...

    The human body determines the amount of oxygen it needs by monitoring how much carbon dioxide is in the blood." [6] Central hypoventilation syndrome is caused by certain receptors in the brain failing to recognize changes in carbon dioxide levels during sleep, leading to a low breathing rate and low blood concentration of oxygen. Some of the ...

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

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

    Patients with Covid-19 can sometimes have relatively mild symptoms and seem to be perfectly oxygenated, even while their blood oxygen levels are perilously low. As a result, they may need an ...

  9. 7 Tips for Having More Energy - AOL

    www.aol.com/7-tips-having-more-energy-155500049.html

    4. Improve Sleep Hygiene (or Take a Power Nap!) Getting enough sleep is absolutely vital for maintaining good energy levels. So if you’re finding yourself constantly tired during the day, it ...