Certified Registered Nurse Anesthetists (CRNAs) provide anesthesia care for a variety of surgical and trauma cases, including thoracic, major vascular, neuro, orthopedic, and outpatient surgeries. They work primarily 12-hour shifts under medical direction, managing pain and performing preoperative and regional anesthesia as required. This role requires board certification and involves collaboration within a care team model at a large medical facility with over 600 beds.