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Why do COVID-19 patients with low oxygen levels breathe well? | Health and Medical News
New York: Researchers have found a possible explanation for Covid-19 patients who show very low or otherwise life-threatening oxygen levels but no signs of dyspnea.
Published in the online American Journal of Respiratory and Critical Care Medicine, this study shows how the brain responds to hypoxic levels, a condition known as asymptomatic hypoxemia or “happy hypoxia.” It could be one of the factors behind.
This new understanding of the condition can prevent unnecessary intubation and ventilation of the patient during the current and expected second wave of coronavirus.
In this study, “we found that some, if not all, pathophysiological mechanisms are responsible for most silent hypoxemia.
This includes an initial assessment of the patient’s oxygen level using a pulse oximeter.
“Pulse oximeters are very accurate at high oxygen readings, but they significantly exaggerate the severity of low-level oxygen at low oxygen readings.”
“Another factor is the brain’s response to low levels of oxygen. Patients with Covid-19 have low levels of oxygen, so they don’t respond until oxygen drops to very low levels.” It was
In addition, more than half of the patients had low levels of carbon dioxide, which could reduce the effects of extremely low oxygen levels.
According to Tobin, the coronavirus may have a unique effect on how the body senses low levels of oxygen that may be associated with the lack of odor experienced by two-thirds of COVID-19 patients. There is also a nature.
The study concludes, “in light of established respiratory physiology principles, the features of Covid-19 that doctors find intrusive are less strange,” admitting that further research is needed. ..
“This new information could help avoid unnecessary risky endotracheal intubation and ventilation when the second and expected second wave of COVID-19 emerges,” Tobin said. He said.
The study included a small group of Covid-19 patients with very low oxygen levels without shortness of breath or dyspnea.
The term hypoxia generally refers to inadequate oxygen supply for use in tissues.
However, there is also a condition called intracerebral hypoxia. This is a condition in which there is a decrease in oxygen supply to the brain even with proper blood flow. National Institutes of Health.
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