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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Spinal Anesthesia

A regional anesthetic technique where a local anesthetic is placed into the spinal canal using a very small needle. No catheter is left in place. The patient becomes completely numb and unable to move from about the bottom of the ribcage down to the toes. Patients can remain awake for the procedure (usually for a c-section) but they often receive sedation along with the spinal.

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