Anesthesia Machine

The machine used by anesthesia providers to deliver anesthetic gases and breathing during surgery. The machine has vital controls for the flow of oxygen, air, nitrous oxide, and anesthetic gases.

The More You Know

NPO

Nil per os, Latin for “nothing by mouth”

Nothing per mouth or NPO refers to the direction of having nothing to eat or drink during a time period before surgery. Usually begins midnight the day before.

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