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Who is Giving Your Anesthesia During Surgery?

By , About.com Guide

Updated: January 04, 2009

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Certified Registered Nurse Anesthetists (CRNAs): Nurses Who Provide Anesthesia

A CRNA is a registered nurse who typically has a bachelor’s degree in nursing or a related field, and who obtains a master's degree in the administration of anesthesia. Most CRNAs have practiced in a critical care setting as a nurse for at least one year.

In some states, nurse anesthetists work under the supervision of an anesthesiologist. In others, CRNAs practice independently. CRNAs are not permitted to supervise other anesthesia providers, such as anesthesia assistants.

Currently, there are approximately 37,000 CRNAs that provide the majority of hands-on anesthesia care and practice in all 50 states.

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