| anaesthesia, inhalation | Anaesthesia caused by the breathing of anaesthetic gases or vapors or by insufflating anaesthetic gases or vapors into the respiratory tract. (12 Dec 1998) |
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| anaesthesia, local | Anaesthesia confined to one part of the body. Infiltration anaesthesia produces local anaesthesia by deposition of a local anaesthesia solution in the area of small, terminal nerve endings. (12 Dec 1998) |
| anaesthesia machine | Equipment used for inhalation anaesthesia, including flowmeters, vaporisers, and sources of compressed gases, but not including the anaesthetic circuit or mechanisms for elimination of carbon dioxide. (05 Mar 2000) |
| anaesthesia record | A written account of drugs administered, procedures undertaken, and physiologic responses during the course of surgical or obstetrical anaesthesia. (05 Mar 2000) |
| anaesthesia recovery period | The period of emergence from general anaesthesia, where different elements of consciousness return at different rates. (12 Dec 1998) |
| axillary anaesthesia | Loss of sensation in the distal two-thirds of the upper extremity following injection of a local anaesthetic solution about the nerve trunks in the axilla. (05 Mar 2000) |
| balanced anaesthesia | A technique of general anaesthesia based on the concept that administration of a mixture of small amounts of several neuronal depressants summates the advantages, but not the disadvantages of, the individual components of the mixture. (05 Mar 2000) |
| basal anaesthesia | Parenteral administration of one or more sedatives to produce a state of depressed consciousness short of a general anaesthesia. (05 Mar 2000) |
| block anaesthesia | Regional anaesthesia in which local anaesthetic solution is injected about nerves to inhibit nerve transmission; includes spinal, epidural, nerve block, and field block anaesthesia, but not local or topical anaesthesia. Synonym: block anaesthesia. (05 Mar 2000) |
| brachial anaesthesia | Anaesthetization of an upper extremity by injection of local anaesthetic solution about the brachial plexus. (05 Mar 2000) |
| painful anaesthesia | Severe spontaneous pain occurring in an anaesthetic area. Synonym: painful anaesthesia. (05 Mar 2000) |
| paracervical block anaesthesia | Regional anaesthesia of the cervix uteri by injection of local anaesthetic solution into tissues adjacent to the cervix. (05 Mar 2000) |
| general anaesthesia | A form of anaesthesia that results in putting the patient to sleep. Total body anaesthesia. Origin: Gr. Aisthesis = sensation (27 Sep 1997) |
| rebreathing anaesthesia | A technique for inhalation anaesthesia in which a portion or all of the gases that are exhaled are subsequently inhaled after carbon dioxide has been absorbed. (05 Mar 2000) |
| paravertebral anaesthesia | Anaesthesia by injection of local anaesthetic solution about nerves as they exit from the vertebral canal; combined presynaptic, postsynaptic, and ganglionic sympathetic block by injection of local anaesthetic solution about paravertebral sympathetic chains. (05 Mar 2000) |