| HACE | High Altitude Cerebral Edema |
|---|---|
| HAPE | High Altitude Pulmonary Edema |
| HARH | High Altitude Retinal Hemorrhage |
| Alt, alt | aluminum tartrate; alternate; altitude |
| HAP | Handicapped Aid Program; Hazardous Air Pollutants [List]; hazardous air pollution; health alliance p... |
| HACE | High Altitude Cerebral Edema |
|---|---|
| HAPE | High Altitude Pulmonary Edema |
| HA | High altitude |
| ALT | altitude |
| acclimatization | Adaptation to a new environment or to a change in the old. (12 Dec 1998) |
|---|---|
| altitude | 1. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above another; as, the altitude of a mountain, or of a bird above the top of a tree. 2. <astronomy> The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either true or apparent; true when measured from the rational or real horizon, apparent when from the sensible or apparent horizon. 3. <geometry> The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc. 4. Height of degree; highest point or degree. "He is [proud] even to the altitude of his virtue." (Shak) 5. Height of rank or excellence; superiority. 6. Elevation of spirits; heroics; haughty airs. "The man of law began to get into his altitude." (Sir W. Scott) Meridian altitude, an arc of the meridian intercepted between the south point on the horizon and any point on the meridian. See Meridian. Origin: L. Altitudo, fr. Altus high. Cf. Altar, Haughty, Enhance. Source: Websters Dictionary (01 Mar 1998) |
| altitude chamber | A decompression chamber for simulating a high altitude environment, particularly its low barometric pressure. Synonym: high altitude chamber. (05 Mar 2000) |
| altitude disease | A condition that results from prolonged exposure to high altitude. Symptoms include a continuous dry cough, shortness of breath, poor exercise tolerance, dizziness, headache, sleep difficulty, anorexia, confusion, fatigue and a rapid pulse. Treatment includes the immediate movement to a lower altitude. Prophylaxis has been accomplished successfully with the use of acetazolamide (Diamox). (27 Sep 1997) |
| altitude erythraemia | Loss of high altitude tolerance after prolonged exposure (e.g., by residence), characterised by extreme polycythemia, exaggerated hypoxaemia, and reduced mental and physical capacity; relieved by descent. Synonym: altitude erythraemia, chronic soroche, Monge's disease. (05 Mar 2000) |
| altitude sickness | A condition that results from prolonged exposure to high altitude. Symptoms include a continuous dry cough, shortness of breath, poor exercise tolerance, dizziness, headache, sleep difficulty, anorexia, confusion, fatigue and a rapid pulse. Treatment includes the immediate movement to a lower altitude. Prophylaxis has been accomplished successfully with the use of acetazolamide (Diamox). (27 Sep 1997) |
| high altitude cerebral oedema | <physiology> A serious condition that results from the sudden increase in pressure within the brain due to swelling. This is thought to occur secondary to exposure to high altitudes, generally in excess of 12,000 feet. (12 Jan 1998) |
| high altitude chamber | A decompression chamber for simulating a high altitude environment, particularly its low barometric pressure. Synonym: high altitude chamber. (05 Mar 2000) |
| high altitude pulmonary oedema | <physiology> The abnormal deposition of fluid into the lungs that occurs with exposure to lower barometric pressure and low oxygen. (12 Jan 1998) |
| high altitude sickness | A condition that results from the exposure to lower barometric pressure (lower oxygen concentration). Synonym: acute mountain sickness. (27 Sep 1997) |
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