| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
|---|---|
| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |
| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| AA | Acupuncture analgesia |
|---|---|
| EA | Epidural Analgesia |
| EDA | Epidural analgesia |
| PCA | Patient Controlled Analgesia |
| PCEA | Patient Controlled Epidural Analgesia |
| 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) |
|---|---|
| analgesia | A state of insensitivity to pain, even though the subject is fully conscious. (18 Nov 1997) |
| 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) |
| 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) |
| blood relative | A relative of a person sharing some of the sources from which genes are derived. These will include many of the genes that operate in the blood and its constituents but no special importance attaches to the blood as a vehicle of inheritance. Spouses are not ordinarily blood relatives and when they are, the marriage is consanguineous and carries a higher risk than average of progeny homozygous by descent from ancestors in common. Such marriages are discouraged and within certain degrees of kindred may be illegal. Origin: a folk metaphor of breeding (05 Mar 2000) |
| relative | One who, or that which, relates to, or is considered in its relation to, something else; a relative object or term; one of two object or term; one of two objects directly connected by any relation. Specifically: A person connected by blood or affinity; strictly, one allied by blood; a relation; a kinsman or kinswoman. "Confining our care . . . To ourselves and relatives." . A relative prnoun; a word which relates to, or represents, another word or phrase, called its antecedent; as, the relatives " who", "which", "that". Source: Websters Dictionary (01 Mar 1998) |
| relative accommodation | Quantity of accommodation required for single binocular vision for any specified distance, or for any particular degree of convergence. (05 Mar 2000) |
| relative afferent pupillary defect | An asymmetry of the pupillomotor input between the two eyes; tested by alternating the light from one eye to the other and comparing the direct light reactions. (05 Mar 2000) |
| relative analgesia |
in dental anesthesia, a maintained level of conscious-sedation, short of general anesthesia, in which the pain threshold is elevated, usually induced in inhalation of nitrous oxide and oxygen.
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