Anesthesia
State of medically-controlled temporary loss of sensation or awareness
Anesthesia
Anesthesia (American English) or anaesthesia (British English) is a state of controlled, temporary loss of sensation or awareness that is induced for medical, veterinary, or criminal purposes. It may include some or all of analgesia (relief from or prevention of pain), paralysis (muscle relaxation), amnesia (loss of memory), and unconsciousness. An individual under the effects of anesthetic drugs is referred to as being anesthetized or sedated (these terms are avoided in legal writing involving criminal or domestic cases). A body part under the effects of local anesthetic drugs is referred to as being numbed. An anesthesiologist administers these drugs to minimize movement, destructive behavior, and the threat of injury to both the patient and the doctor. Three broad categories of anesthesia exist: General anesthesia suppresses central nervous system activity and results in unconsciousness and total lack of sensation, using either injected or inhaled drugs. Sedation suppresses the central...
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