![]() ![]() ![]() ![]() Oxygen saturation of 95 to 100 percent is usually considered normal in healthy adults and children. What is considered significant desaturation? Some conditions such as anemia or asthma can be well managed with proper treatment, whereas a collapsed lung or pulmonary embolism requires immediate emergency medical attention. Low blood oxygen levels can range from mild to severe. Here are some commonly asked questions about respiratory desaturation. In a 2021 study, researchers found longer and deeper drops in blood oxygen levels to be associated with worsening sleep apnea. The blood oxygen level of some people with sleep apnea can drop by more than 4 percent when they’re sleeping. Some people with sleep apnea may experience a drop in blood oxygen levels that are outside the normal range. It’s normal for your blood oxygen levels to drop slightly during sleep, as your breathing rate tends to slow down. Sleep apnea is a disorder where your breathing repeatedly stops while you’re sleeping. pulmonary fibrosis (scarring in your lung).pulmonary embolism (blood clot in your lung).COVID-19 and other respiratory infections.problems with your blood’s ability to circulate to your lungs.problems with your lungs’ ability to inhale air.low levels of oxygen in the air, such as when you’re at a high altitude.Possible underlying causes of respiratory desaturation include: Respiratory desaturation can happen suddenly or develop over time. What are the causes of respiratory desaturation? ![]()
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