| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
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| BTB | breakthrough bleeding; bromthymol blue |
| BTBL | bromothymol blue lactose |
| BTS | blood transfusion service; blue toe syndrome; bradycardia-tachycardia syndrome |
| BTV | blue tongue virus |
| aden fever | <virology> A tropical disease caused by dengue virus (Arbovirus), that is transmitted by the bite of an infected mosquito of the genus Aedes). Four severity grades of the illness are seen: Grade I: fever and constitutional symptoms. Grade II: grade I plus spontaneous bleeding of skin, gums or gastrointestinal tract. Grade III: grade II plus agitation and circulatory failure. Grade IV: profound shock. Grade I infection is seen most frequently in world travelers, where it is usually self-limited and rarely fatal. The other grades are referred to as dengue haemorrhagic fever and are often fatal. Dengue haemorrhagic fever appears to be an infection by one of the other dengue viruses. Prior immunity to a different dengue virus type appears to be important in the development of the more serious haemorrhagic form. Vaccines are available. Protection from mosquitoes is an important preventive measure. (15 Jan 1998) |
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| aestivoautumnal fever | <infectious disease> A tropical parasitic disease caused by one of the genus Plasmodium and carried by infected mosquitoes of the genus Anopheles. This parasite uses red blood cells to complete its reproductive cycle. Common symptoms of an attack include high fever, chills, sweats and body aches. (27 Sep 1997) |
| African haemorrhagic fever | Haemorrhagic fever associated with the morphologically similar but antigenically distinct Marburg and Ebola viruses. See: viral haemorrhagic fever. (05 Mar 2000) |
| african swine fever | A usually fatal iridovirus infection of pigs, characterised by fever, cough, diarrhoea, haemorrhagic lymph nodes, and oedema of the gallbladder. (12 Dec 1998) |
| african swine fever-like viruses | An unnamed, unclassified genus of DNA viruses with a single species: african swine fever virus. (12 Dec 1998) |
| african swine fever virus | The lone species of the genus african swine fever-like viruses. The virus causes a fatal disease among domestic pigs in africa and a less virulent infection in europe. The virus is present in soft ticks (ornithodoros moubata), warthogs, or domestic pigs. Originally listed as a species of iridoviridae, the virus exhibits some similarities to poxviridae but its differences warranted placement in a separate genus of an, as yet unknown, family. (12 Dec 1998) |
| African tick fever | A form of haemorrhagic fever distinct from Omsk haemorrhagic fever, occurring in central Russia, transmitted by species of the tick Hyalomma, and caused by Crimean-Congo haemorrhagic fever virus, a member of the Bunyaviridae family; horses are the chief reservoir of human infection; characterised by abrupt onset, high fever, headache, myalgia, widespread petechial haemorrhagic lesions, gastrointestinal bleeding, high fatality rate. Synonym: African tick fever. (05 Mar 2000) |
| algid pernicious fever | A pernicious malarial attack in which the patient presents symptoms of collapse and shock. (05 Mar 2000) |
| ardent fever | A term sometimes applied to hyperpyrexia occurring in intermittent malarial fever. Synonym: heat apoplexy. (05 Mar 2000) |
| Argentinean haemorrhagic fever | A form of haemorrhagic fever observed in South America, seemingly transmitted by contact from rodents to man and caused by the Junin virus, a member of the family Arenaviridae. (05 Mar 2000) |
| Argentine haemorrhagic fever virus | A member of the Arenaviridae. (05 Mar 2000) |
| artificial fever | 1. Obsolete synonym for pyrotherapy. 2. Treatment of fever. Synonym: artificial fever, induced fever. Origin: pyreto-+ G. Therapeia, treatment (05 Mar 2000) |
| aseptic fever | Fever accompanied by malaise due to absorption of dead but not infected tissue following an injury. (05 Mar 2000) |
| Assam fever | A chronic disease, occurring in India, Assam, China, the area formerly known as the Mediterranean littoral areas, the Middle East, India, Pakistan, China, South and Central America, Asia, Africa caused by Leishmania donovani and transmitted by the bite of an appropriate species of sandfly of the genus Phlebotomus or Lutzomyia; the organisms grow and multiply in macrophages, eventually causing them to burst and liberate amastigote parasites which then invade other macrophages; proliferation of macrophages in the bone marrow causes crowding out of erythroid and myeloid elements, resulting in leukopenia, and anaemia, splenomegaly, and hepatomegaly which are characteristic, along with enlargement of lymph nodes; fever, fatigue, malaise, and secondary infections also occur; different strains of leishmaniasis donovani occur; leishmaniasis infantum in Eurasia, leishmaniasis chagasi in Latin America. Synonym: Assam fever, black sickness, Burdwan fever, cachectic fever, Dumdum fever, kala azar, tropical splenomegaly. (05 Mar 2000) |
| Australian Q fever | A variety of Q fever occurring in Australia; an acute infectious rickettsial infection caused by Coxiella burnetii and transmitted by ticks, enzootic in animals in Australia, especially bandicoots. (05 Mar 2000) |