| epidural neoplasms | Neoplasms located in the epidural space, at or above the dura mater of the spinal cord. (12 Dec 1998) |
|---|---|
| epidural space | Space between the dura mater and the walls of the vertebral canal. (12 Dec 1998) |
| fractional epidural anaesthesia | Insertion of a catheter into the lumbar or caudal epidural space for the repeated injection of local anaesthetic solutions as a means of prolonging duration of anaesthesia. Synonym: fractional epidural anaesthesia. (05 Mar 2000) |
| anaesthetic | 1. <neurology> Pertaining to, characterised by or producing anaesthesia. 2. <pharmacology> A drug or agent that is used to produce partial loss of feeling or sensation of pain. (14 May 1997) |
| anaesthetic circuit | Equipment used during inhalation anaesthesia to regulate concentrations of inhaled gases; includes a reservoir bag and usually directional valves, breathing tubes, and a carbon dioxide absorber. (05 Mar 2000) |
| anaesthetic depth | The degree of central nervous system depression produced by a general anaesthetic agent; a function of potency of the anaesthetic and the concentration in which it is administered. (05 Mar 2000) |
| anaesthetic ether | General designation for many ether's. (05 Mar 2000) |
| anaesthetic gas | A gas or a liquid with sufficient vapor pressure to produce general anaesthesia when breathed. (05 Mar 2000) |
| anaesthetic index | Ratio of the number of units of anaesthetic required for anaesthesia to the number of units of anaesthetic required to produce respiratory or cardiovascular failure. (05 Mar 2000) |
| anaesthetic leprosy | A form of leprosy chiefly affecting the nerves, marked by hyperesthesia succeeded by anaesthesia, and by paralysis, ulceration, and various trophic disturbances, terminating in gangrene and mutilation. Synonym: Danielssen's disease, Danielssen-Boeck disease, dry leprosy, trophoneurotic leprosy. (05 Mar 2000) |
| anaesthetic shock | Shock produced by the administration of anaesthetic drug(s), usually in relative overdosage. (05 Mar 2000) |
| anaesthetic vapor | The gaseous phase of a liquid anaesthetic with sufficient partial pressure at room temperature to produce general anaesthesia when inhaled. (05 Mar 2000) |
| general anaesthetic | A compound that produces loss of sensation associated with loss of consciousness. (05 Mar 2000) |
| volatile anaesthetic | A liquid anaesthetic that at room temperature volatilises to a vapor which when inhaled is capable of producing general anaesthesia. See: anaesthetic vapor. (05 Mar 2000) |
| minimal anaesthetic concentration | The end-alveolar concentration of an inhalation anaesthetic which prevents somatic response to a painful stimulus in 50% of individuals; an index of relative potency of inhalation anaesthetics. Synonym: minimal anaesthetic concentration. (05 Mar 2000) |