Based on what you have learned in this lesson, what had the biggest impact on the advancement of surgical procedures? anesthesia the heart-lung machine x-rays epidemiology

Anesthesia is the answer. Anesthesia reduces pain as well as preventing it.It enables a painless performance of a procedure causing too much pain if no anesthesia is given. Categories include general in which the patient is unconscious, regional which blocks an area of one's body and local anesthesia that causes numbness in a small area.