Hyperbaric oxygen therapy: People receiving hyperbaric oxygen therapy are exposed to high concentrations of oxygen under pressure for short periods of time. Devices that attach to the oxygen source allow a healthcare provider to change the concentration of oxygen that someone receives. In a hospital, the oxygen comes from a spigot in the wall which connects to a built-in system. The oxygen comes from a tank or a portable oxygen concentrator. Supplemental oxygen: When people have trouble breathing, they get oxygen therapy through masks, cannulas, and other devices. In medical settings, oxygen treatment is given as: That’s because no matter how fast or hard you breathe, the concentration of oxygen in the air is always the same, which is about 21%.īut in a medical setting, people can receive a wide range of oxygen concentrations - from 21% to 100%. It’s not possible to get oxygen toxicity from breathing regular air. People can breathe in too much oxygen when they breathe from a pure oxygen source, like an oxygen tank. How does someone breathe in too much oxygen? When these parts of your body become dry, they start to crack, which gives bacteria an opportunity to get into the tissues and cause infection. This damage can cause permanent vision loss.īreathing in higher oxygen concentrations can also lead to throat and trachea (windpipe) irritation and dryness. Premature infants can also develop retina damage if they breathe high oxygen concentrations. If your body can’t keep up, these free radicals can cause damage to your: Your body can clear them out just like other waste products.īut when you breathe in higher oxygen concentrations, more free radicals are created. This creates a product called “free radicals.” Low levels of free radicals aren’t dangerous. Our cells need to process oxygen just like any other substance. View more medications How can oxygen be dangerous?
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