| lyme disease | <infectious disease> A bacterial disease caused by the micro-organism (spirochete) Borrelia burgdorferi. This bacterium was discovered in 1982, although the clinical disease was first described in 1977. Infection occurs after the bite of an infected tick. The incubation period is approximately 14 days. Symptoms include a large circular red rash at the bite site (50-60% of cases), malaise, fever, headache, muscle aches and swollen lymph nodes. If untreated may progress to arthritis and compromise heart function. (27 Sep 1997) |
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| lyme disease antibody | A blood test which measures for the presence of Lyme disease antibodies. A nonreactive or serum titre of less than 1:256 is normal. A rising titre over time is more diagnostic. False positives due occur in those with rheumatoid arthritis and lupus. (27 Sep 1997) |
| lyme disease serology | A blood test which measures for the presence of Lyme disease antibodies. A nonreactive or serum titre of less than 1:256 is normal. A rising titre over time is more diagnostic. False positives due occur in those with rheumatoid arthritis and lupus. (27 Sep 1997) |
| arthritis, lyme | Inflammation of the joints associated with Lyme disease, a bacterial disease spread by ticks. (12 Dec 1998) |
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| lyme arthritis | <radiology> Migratory polyarthritis, common in New England (named for Lyme, Conn.), spirochete (Borrelia) transmitted by tick (Ixodes dammini), joint effusion, especially knee (may be only finding), skin lesions: erythema chronicum migrans (12 Dec 1998) |
| Lyme borreliosis | <infectious disease> A bacterial disease caused by the micro-organism (spirochete) Borrelia burgdorferi. This bacterium was discovered in 1982, although the clinical disease was first described in 1977. Infection occurs after the bite of an infected tick. The incubation period is approximately 14 days. Symptoms include a large circular red rash at the bite site (50-60% of cases), malaise, fever, headache, muscle aches and swollen lymph nodes. If untreated may progress to arthritis and compromise heart function. (27 Sep 1997) |
| lyme grass | <botany> A coarse perennial grass of several species of Elymus, especially. E. Canadensis, and the European E. Arenarius. Source: Websters Dictionary (01 Mar 1998) |
| aaa disease | Endemic anaemia of ancient Egypt, ascribed in the Papyrus Ebers to intestinal infestation with ancylostoma; now called ancylostomiasis. (05 Mar 2000) |
| ABO haemolytic disease of the newborn | Erythroblastosis foetalis due to maternal-foetal incompatibility with respect to an antigen of the ABO blood group; the foetus possesses A or B antigen which is lacking in the mother, and the mother produces immune antibody which causes haemolysis of foetal erythrocytes. (05 Mar 2000) |
| accumulation disease | A disease characterised by abnormal accumulation of a metabolic product in certain cells and tissues; examples include the mucopolysaccharidoses, lipoidoses. (05 Mar 2000) |
| Acosta's 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) |
| acquired immunodeficiency disease | Acquired immunodeficiency disease: Disease caused by infection with the human immunodeficiency virus (HIV). (12 Dec 1998) |
| acute disease | Disease having a short and relatively severe course. (12 Dec 1998) |
| Adams-Stokes disease | <syndrome> Transient asystole or ventricular fibrillation in the presence of atrioventricular block. (12 Dec 1998) |
| Addison-Biermer disease | <haematology> A form of anaemia (low red blood cell counts) that results when the bone marrow fails to produce adequate numbers of red blood cells due to a deficiency in vitamin B12. Intrinsic factor, necessary for normal B12 absorption, may be the underlying cause for B12 deficiency if is not produced in the gastric glands (in the stomach). Origin: Gr. Haima = blood (27 Sep 1997) |
| Addison's disease | <endocrinology> A rare endocrine disease that results from the underproduction of aldosterone and cortisol (hormones) by the adrenal glands. Symptoms include weakness, low blood pressure, anaemia, low blood sugar and electrolyte abnormalities. (27 Sep 1997) |
| adult-onset still's disease | Although Still's disease was first described in children, it is known to begin in adults. See: Still's disease. (12 Dec 1998) |
| Akabane disease | A disease of cattle, sheep and goats, caused by the Akabane virus and characterised by foetal or neonatal arthrogryposis and hydranencephaly, abortions, and foetal death; the causative virus is transmitted by mosquitoes in Japan and by the midge Culicoides brevitarsis in Australia. (05 Mar 2000) |