Crna stands for Certified Registered Nurse Anesthetist, a highly trained nursing professional specializing in anesthesia care. They are responsible for administering anesthesia and monitoring patients during surgical procedures. CRNAs play a crucial role in ensuring patient safety and comfort, working closely with surgeons and other healthcare providers. To become a CRNA, a registered nurse must complete a master's or doctoral degree in nurse anesthesia, followed by passing a national certification exam. CRNAs can work in various settings, including hospitals, surgical centers, and pain management clinics, providing anesthesia for a wide range of medical procedures.