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  2. Hypoxia (medicine) - Wikipedia

    en.wikipedia.org/wiki/Hypoxia_(medicine)

    The consequence of oxygen deprivation in tissues is a switch to anaerobic metabolism at the cellular level. As such, reduced systemic blood flow may result in increased serum lactate. [ 80 ] Serum lactate levels have been correlated with illness severity and mortality in critically ill adults and in ventilated neonates with respiratory distress.

  3. Cerebral hypoxia - Wikipedia

    en.wikipedia.org/wiki/Cerebral_hypoxia

    Cerebral hypoxia is a form of hypoxia (reduced supply of oxygen), specifically involving the brain; when the brain is completely deprived of oxygen, it is called cerebral anoxia. There are four categories of cerebral hypoxia; they are, in order of increasing severity: diffuse cerebral hypoxia (DCH), focal cerebral ischemia , cerebral infarction ...

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

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

    Oxygen levels and Covid-19. Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during ...

  6. Effects of high altitude on humans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_high_altitude...

    There are a range of responses to hypoxia at the cellular level, shown by discovery of hypoxia-inducible factors (HIFs), which determine the general responses of the body to oxygen deprivation. Physiological functions at high altitude are not normal and evidence also shows impairment of neuropsychological function, which has been implicated in ...

  7. Generalized hypoxia - Wikipedia

    en.wikipedia.org/wiki/Generalized_hypoxia

    Generalized hypoxia is a medical condition in which the tissues of the body are deprived of the necessary levels of oxygen due to an insufficient supply of oxygen, which may be due to the composition or pressure of the breathing gas, decreased lung ventilation, or respiratory disease, any of which may cause a lower than normal oxygen content in the arterial blood, and consequently a reduced ...

  8. The Surprising Health Benefits of Pain - AOL

    www.aol.com/surprising-health-benefits-pain...

    The most researched type of hormesis is exercise, where the muscles are deprived of oxygen—alerting Nrf-2 to action, ... “If you look at the cellular level, they’re engaging largely ...

  9. Florida hospitals using ‘significant levels of oxygen’ as ...

    www.aol.com/news/florida-hospitals-using...

    ORLANDO, Fla. – Florida hospitals are using “significant levels of oxygen” to treat an unprecedented number of COVID-19 patients, presenting a supply challenge complicated by a nationwide ...