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A portable oxygen concentrator is a device that helps deliver oxygen therapy to people who have low levels of oxygen...

The purpose of oxygen therapy is to improve arterial oxygen partial pressure, oxygen saturation and oxygen content to correct hypoxemia,...

What is oxygen? Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make...

Asthma is a chronic respiratory disease. In current medicine, it is a disease that cannot be cured completely. But if...

Pregnant women, especially those after six months of pregnancy, sometimes have chest tightness, shortness of breath, rapid heartbeat, high blood...

I. What is oxygen dependence The dependence refers to dependence on a certain drug, especially drugs that act on the...