| PFUO | prolonged fever of unknown origin |
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| QF | quality factor; query fever; quick freeze; relative biological effectiveness |
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| Rh | F rheumatic fever |
| RMSF | Rocky Mountain spotted fever |
| quartan fever | A malarial fever with paroxysms that recur every 72 hours or every fourth day, reckoning the day of the paroxysm as the first; due to the schizogony and release of merozoites from infected cells, with invasion of new red blood corpuscles by Plasmodium malariae. Synonym: quartan fever, quartan malaria. (05 Mar 2000) |
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| induced fever | 1. Obsolete synonym for pyrotherapy. 2. Treatment of fever. Synonym: artificial fever, induced fever. Origin: pyreto-+ G. Therapeia, treatment (05 Mar 2000) |
| quintan fever | A louse-borne disease first recognised in the trenches of world war i (and so called trench fever), again a major problem in the military in world war II, seen endemically in mexico, n. Africa, e, europe, and elsewhere. The cause, rochalimaea quintana, is an unusual rickettsia that multiplies in the gut of the body louse. Transmission to people can occur by rubbing infected louse feces into abraded (scuffed) skin or conjunctiva (whites of the eyes). Onset of symptoms is sudden, with high fever, headache, back and leg pain and a fleeting rash. Recovery takes a month or more. Relapses are common. Quintan means recurring every 5 days and refers to the fever. Also called five-day fever. Other names include wolhynia fever, shin bone fever, meuse fever, his' disease, his-werner disease, werner-his disease. (12 Dec 1998) |
| quotidian fever | Malaria in which the paroxysms occur daily; usually a double tertian malaria, in which there is an infection by two distinct groups of Plasmodium vivax parasites sporulating alternately every 48 hours, but also may be an infection by the pernicious form of malarial parasite, P. Falciparum, combined with P. Vivax, or infection by two distinct P. Falciparum generations, which mature on different days; also may develop from infection with P. Knowlesi. Synonym: quotidian fever. (05 Mar 2000) |
| intermittent malarial fever | See: intermittent malaria. (05 Mar 2000) |
| inundation fever | See Typhus, scrub. (12 Dec 1998) |
| island fever | See Typhus, scrub. (12 Dec 1998) |
| Omsk haemorrhagic fever | A form of epidemic haemorrhagic fever found in central Russia, caused by the Omsk haemorrhagic fever virus, a member of the family Flaviviridae, and transmitted by Dermacentor ticks; associated with gastrointestinal symptoms and haemorrhages but little or no central nervous system involvement. (05 Mar 2000) |
| o'nyong-nyong fever | A dengue-like disease caused by the o'nyong-nyong virus, a member of the family Togaviridae, and transmitted by a mosquito, characterised by joint pains and notable lymphadenopathy followed by a maculopapular eruption of the face which extends to the trunk and extremities but fades in several days without desquamation. (05 Mar 2000) |
| Oroya fever | A generalised, acute, febrile, endemic, and systemic form of bartonellosis; marked by high fever, rheumatic pains, progressive, severe anaemia, and albuminuria. Synonym: Carrion's disease. (05 Mar 2000) |
| tertian fever | <disease, microbiology> A type of malaria caused by the protozoan Plasmodium vivax, it isthe most common form of the disease, is rarely fatal but is the most difficult to cure, and is characterised by fevers that typically occur every other day. (11 Nov 1997) |
| Texas fever | An infectious disease of cattle caused by Babesia species and transmitted by ticks. Synonym: bovine haemoglobinuria, redwater fever, Texas fever, tick fever. (05 Mar 2000) |
| therapeutic fever | Treatment of disease by inducing an artificial fever in the patient. Synonym: therapeutic fever. (05 Mar 2000) |
| thermic fever | A severe and often fatal illness produced by exposure to excessively high temperatures, especially when accompanied by marked exertion. It can manifest by elevated body temperature, lack of sweating, hot dry skin, and neurologic symptoms; unconsciousness, paralysis, headache, vertigo, confusion. In severe cases very high fever, vascular collapse, and coma develop. Synonym: heat apoplexy, heat hyperpyrexia, malignant hyperpyrexia, thermic fever. (05 Mar 2000) |
| thirst fever | An elevation of temperature in infants after reduction of fluid intake, diarrhoea, or vomiting; probably caused by reduced available body water, with reduced heat loss by evaporation; an analogous condition in adults is seen when exertion is continued in the face of dehydration. Synonym: dehydration fever, exsiccation fever, inanition fever. (05 Mar 2000) |