Anesthesia is a way to control pain using anesthetic medicine.
General anesthesia, which can be injected into a vein or
inhaled, affects the entire body and makes the person
unconscious. A person under general anesthesia is completely
unaware of what is going on and does not feel pain during the
surgery or procedure. Anesthesia interrupts the pain signals
between a person's nerve endings and the brain. The health
professional administering the anesthesia (anesthesiologist or
nurse anesthetist) monitors the person's condition throughout
the procedure. eMedicineHealth Medical Reference from Healthwise
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