What anesthetic does general anesthesia or local anesthesia use when operation?

Anesthesia, in its original sense, refers to the loss of sensation and perception. Clinical anesthesia can be simply divided into general anesthesia, intraspinal anesthesia and local anesthesia.

General anesthesia is the use of general anesthesia drugs to suppress the brain nervous system to lose consciousness, the patient can not feel pain during the operation, cognitive loss, is a temporary reversible unconscious state, it is characterized by the patient's consciousness disappeared, no pain feeling. That is the common people understand "asleep" anesthesia.

Intraspinal anesthesia includes subarachnoid block and epidural block. It refers to the way that local anesthetics are injected into the subarachnoid space and epidural space of the spinal canal to produce anesthetic effects. This is commonly understood as "partial anesthesia".

Local anesthesia refers to the injection of local anesthetics into the plexus, trunk, or peripheral nerve endings to produce anesthetic effects. These include topical anesthesia, local infiltration, regional block, and peripheral nerve block. One of the surface anesthesia and local infiltration is the common People's Daily most easy to contact the "injection is good" anesthesia.

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