An oxygen mask is a medical device used to deliver oxygen to a person who needs additional oxygen intake, often because of lung or breathing issues or low oxygen levels. It covers the nose and mouth, making sure that the patient inhales a higher amount of oxygen compared to what is available in the environment. Oxygen masks are commonly used in hospitals, ambulances, and emergency situations to provide immediate respiratory support. They come in various types and sizes to serve different patient needs and conditions.

What is an "oxygen mask"?

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