Fever, spotted
Also known as Rocky Mountain spotted fever. An acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard-shelled (ixodid) ticks. Occurs only in the Western Hemisphere. Anyone frequenting tick-infested areas is at risk for RMSF. The onset of symptoms is abrupt with headache, high fever, chills, muscle pain. and then a rash .The rickettsiae grow within damaged cells lining blood vessels which may become blocked by clots. Blood vessel inflammation (vasculitis) is widespread. Early recognition of RMSF and prompt antibiotic treatment is important in reducing mortality. The first person to describe the disease was an ear, nose and throat specialist, Edward Ernest Maxey. Maxey reported the disease in 1899. Seven years later, a pathologist named Howard Taylor Ricketts showed that it was transmitted by a tick bite. The agent that causes the disease was named for him — Rickettsia rickettsii. Rocky Mountain spotted fever is also called tick fever and tick typhus.

Medical dictionary. 2011.

Look at other dictionaries:

  • Spotted fever — Spotted Spot ted, a. Marked with spots; as, a spotted garment or character. The spotted panther. Spenser. [1913 Webster] {Spotted fever} (Med.), a name applied to various eruptive fevers, esp. to typhus fever and cerebro spinal meningitis.… …   The Collaborative International Dictionary of English

  • Spotted — Spot ted, a. Marked with spots; as, a spotted garment or character. The spotted panther. Spenser. [1913 Webster] {Spotted fever} (Med.), a name applied to various eruptive fevers, esp. to typhus fever and cerebro spinal meningitis. {Spotted tree} …   The Collaborative International Dictionary of English

  • Spotted tree — Spotted Spot ted, a. Marked with spots; as, a spotted garment or character. The spotted panther. Spenser. [1913 Webster] {Spotted fever} (Med.), a name applied to various eruptive fevers, esp. to typhus fever and cerebro spinal meningitis.… …   The Collaborative International Dictionary of English

  • spotted fever — n. any of various febrile diseases accompanied by skin eruptions; esp., Rocky Mountain spotted fever …   English World dictionary

  • Fever — Although a fever technically is any body temperature above the normal of 98.6 degrees F. (37 degrees C.), in practice a person is usually not considered to have a significant fever until the temperature is above 100.4 degrees F (38 degrees C.).… …   Medical dictionary

  • Spotted fever — Also known as Rocky Mountain spotted fever. An acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard shelled (ixodid) ticks. Occurs only in the Western Hemisphere.… …   Medical dictionary

  • Spotted fever — A spotted fever is a type of tick borne disease which presents on the skin. [DorlandsDict|nine/000957182|spotted fever] Types include: * Mediterranean spotted fever * Rocky Mountain spotted feverReferences …   Wikipedia

  • Fever, Rocky Mountain spotted (RMSF) — An acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard shelled (ixodid) ticks. Occurs only in the Western Hemisphere. Anyone frequenting tick infested areas is at …   Medical dictionary

  • Fever, tick — Also known as Rocky Mountain spotted fever, an acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard shelled (ixodid) ticks. Occurs only in the Western Hemisphere.… …   Medical dictionary

  • fever — n. elevated temperature of the body 1) to come down with, develop a fever 2) a constant; high; intermittent; mild, slight; recurrent; remittent fever 3) a fever breaks, subsides disease or condition 4) glandular; hay; relapsing; rheumatic; Rocky… …   Combinatory dictionary

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