| analgesia | A state of insensitivity to pain, even though the subject is fully conscious. (18 Nov 1997) |
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| analgesia algera | Spontaneous pain in a body area that lacks sensation. Synonym: analgesia algera. (05 Mar 2000) |
| analgesia dolorosa | Spontaneous pain in a body area that lacks sensation. Synonym: analgesia algera. (05 Mar 2000) |
| analgesia, epidural | The relief of pain without loss of consciousness through the introduction of an analgesic agent into the epidural space of the vertebral canal. It is differentiated from anaesthesia, epidural which refers to the state of insensitivity to sensation. (12 Dec 1998) |
| analgesia, obstetrical | The elimination of sensibility to pain, without the loss of consciousness, during labour, delivery, and possibly the postpartum period, usually through the administration of narcotic analgesics. (12 Dec 1998) |
| analgesia, patient-controlled | Relief of pain, without loss of consciousness, through an analgesic agent administered by the patient. It has been used successfully to control postoperative pain, during labour, after burns, and in terminal care. The choice of agent, dose, and lockout interval greatly influence effectiveness. The potential for overdose can be minimised by combining small bolus doses with a mandatory interval between successive doses (lockout interval). (12 Dec 1998) |
| acupuncture analgesia | Analgesia produced by the insertion of acupuncture needles at certain points in the body. These activate the small myelinated nerve fibres in the muscle which transmit impulses to the spinal cord and then activate three centres - the spinal cord, midbrain and pituitary hypothalamus - to produce analgesia. (12 Dec 1998) |
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| patient controlled analgesia | <anaesthetics, procedure> Self-administration of analgesics by a patient instructed in doing so, usually refers to self-dosing with intravenous opioid (for example, morphine) administered by means of a programmable pump. (16 Dec 1997) |
| conduction analgesia | Use of local anaesthetic solution(s) to produce circumscribed areas of loss of sensation; a generic term including conduction, nerve block, spinal, epidural, field block, infiltration, and topical anaesthesia. Synonym: conduction analgesia. (05 Mar 2000) |
| spinal analgesia | Euphemism for spinal anaesthesia. (05 Mar 2000) |
| inhalation analgesia | Analgesia produced by inhalation of a central nervous system depressant gas (especially nitrous oxide) or vapor. (05 Mar 2000) |