Anesthesiologists are physicians who practice in the field of medicine known as anesthesiology. The practice of anesthesiology involves blocking pain via the administration juch local or general anesthesia. Anesthesiologists are primarily responsible for the safety and well-being of patients before, during and after surgery. The role of the physician anesthesiologist extends beyond the operating room. The physician anesthesiologist is also responsible for the well being of the patient postoperatively while the patient emerges from the effects of anesthesia. They are often involved in the management of acute postoperative pain, as well as chronic and cancer pain; in cardiac and respiratory resuscitation; in blood transfusion therapies; and in respiratory therapy. Physician anesthesiologists in the United States complete a four-year undergraduate college degree that includes satisfying pre-med requirements. Like other medical doctors, they must follow undergraduate education with four ye...