What They Do
An anesthesiologist is a physician who specializes in administering anesthesia and managing a patient's pain and vital functions before, during, and after surgical or other medical procedures. While often thought of primarily in the context of surgery, anesthesiologists also play a role in broader pain management and critical care.
What They Treat
Anesthesiologists are responsible for keeping patients safely unconscious or numbed to pain during surgical procedures, continuously monitoring vital functions such as heart rate, breathing, and blood pressure throughout. Some anesthesiologists further subspecialize in areas such as pain management, focused on treating chronic pain conditions, or critical care medicine, focused on managing severely ill patients.
Training Path
Becoming an anesthesiologist requires completing a medical degree, followed by dedicated residency training specifically in anesthesiology, covering the detailed physiology involved in safely administering anesthesia and closely monitoring patients through procedures. Some anesthesiologists pursue further fellowship training in a specific area, such as pain medicine, pediatric anesthesiology, or cardiac anesthesiology.
When Patients Interact With One
Patients typically meet with an anesthesiologist as part of preparation for a surgical procedure requiring anesthesia, during which the anesthesiologist reviews the patient's medical history and plans the safest approach to anesthesia for that individual. Beyond surgery, some anesthesiologists also see patients directly for chronic pain management.
Background
Anesthesiology developed as a distinct medical specialty over the course of the 19th and 20th centuries, following the introduction of the first effective anesthetic agents in the mid-19th century, which transformed surgery from an experience defined by pain into one that could be performed safely and painlessly. The field has continued to advance considerably since then, with increasingly refined techniques and monitoring technology that have made modern anesthesia remarkably safe compared to its early history.