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.

The More You Know

CRNA or Certified Registered Nurse Anesthetist

A CRNA is a licensed advanced practice nurse who administers all types of anesthesia like an anesthesiologist. CRNAs work with surgeons, dentists, podiatrists, and may work in collaboration with anesthesiologists. They have advanced training and a master’s degree, are nationally certified and take a board exam. A CRNA is an anesthesia expert with a commitment to high standards in a demanding field. They administer all types of anesthesia for all types of surgical cases and provide regional anesthesia and pain management services.

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