#Continuous monitoring of blood oxygen levels to prevent sudden death. The unique "silent hypoxia" or "Happy Hypoxia" associated with COVID-19 actually indicates that the brain, due to low oxygen or high carbon dioxide levels, triggers the brain's blood vessels to autonomously regulate blood flow. This causes the brain vessels to dilate and increase cerebral blood flow, preventing the patient from experiencing confusion, chest tightness, or difficulty breathing temporarily. However, the blood supply to surrounding tissues, especially the heart, is severely affected. In addition, with age or underlying chronic diseases, the condition may worsen, even leading to sudden death.
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