| KOPS | thousand of operations per second |
|---|---|
| MROD | Medical Research and Operations Directorate |
| OPS | operations; optical position sensor; osteoporosis-pseudolipoma syndrome; outpatient service; outpati... |
| SNDO | Standard Nomenclature of Diseases and Operations |
| SNODO | Standard Nomenclature of Diseases and Operations |
| ACD | Active compression decompression |
|---|---|
| ASD | Arthroscopic subacromial decompression |
| DCS | Decompression Sickness |
| DCI | Decompression illness |
| MVD | Microvascular decompression |
| decompression operations | Decompression external to the body, most often the slow lessening of external pressure on the whole body (especially in caisson workers, deep sea divers, and persons who ascend to great heights) to prevent decompression sickness. It includes also sudden accidental decompression, but not surgical (local) decompression or decompression applied through body openings. (12 Dec 1998) |
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| concrete operations | In the psychology of Piaget, a stage of development in thinking, occurring approximately between 7 and 11 years of age, during which a child becomes capable of reasoning about concrete situations. (05 Mar 2000) |
|---|---|
| operations research | A group of techniques developed to apply scientific methods and tools to solve the problems of decision making in complex organizations and systems. Operations research searches for optimal solutions in situations of conflicting goals and makes use of mathematical models from which solutions for actual problems may be derived. (12 Dec 1998) |
| formal operations | <psychology> In the psychology of Piaget, a stage of development in thinking, occurring approximately between 11 and 15 years of age, during which a child becomes capable of reasoning about abstract situations; reasoning at this stage is comparable to that of normal adults but less sophisticated. (05 Mar 2000) |
| cardiac decompression | Incision into the pericardium or aspiration of fluid from pericardium to relieve pressure due to blood or other fluid in the pericardial sac. Synonym: pericardial decompression. (05 Mar 2000) |
| rapid decompression | Sudden severe expansion of gases due to a reduction in ambient pressure. Synonym: explosive decompression. (05 Mar 2000) |
| cerebral decompression | Removal of a piece of the cranium, usually in the subtemporal region, with incision of the dura, to relieve intracranial pressure. (05 Mar 2000) |
| pericardial decompression | Incision into the pericardium or aspiration of fluid from pericardium to relieve pressure due to blood or other fluid in the pericardial sac. Synonym: pericardial decompression. (05 Mar 2000) |
| Heyns' abdominal decompression apparatus | A vacuum chamber enclosing the abdomen of the pregnant woman, creating pressure during the first stage of labour. (05 Mar 2000) |
| spinal decompression | The removal of pressure upon the spinal cord as created by a tumour, cyst, haematoma, nucleus pulposus, abscess, or bone. (05 Mar 2000) |
| nerve decompression | Release of pressure on a nerve trunk by the surgical excision of constricting bands or widening of a bony canal. (05 Mar 2000) |
| suboccipital decompression | Decompression of the posterior fossa by occipital craniectomy and opening of the dura. (05 Mar 2000) |
| subtemporal decompression | Decompression of the brain by temporal craniectomy and opening of the dura over the inferolateral surface of the temporal lobe. (05 Mar 2000) |
| decompression | Decompression external to the body, most often the slow lessening of external pressure on the whole body (especially in caisson workers, deep sea divers, and persons who ascend to great heights) to prevent decompression sickness. It includes also sudden accidental decompression, but not surgical (local) decompression or decompression applied through body openings. (12 Dec 1998) |
| decompression chamber | <apparatus> A steel chamber that is used to apply oxygen under pressure to reverse the effects of the bends or to treat other forms of barotrauma. Synonym: hyperbaric chamber. (27 Sep 1997) |
| decompression disease | A disorder characterised by joint pains, respiratory manifestations, skin lesions, and neurologic signs, occurring in aviators flying at high altitudes and following rapid reduction of air pressure in persons who have been breathing compressed air in caissons and diving apparatus. (12 Dec 1998) |
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