Infectious Disease Book

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Colorado Tick Fever

Aka: Colorado Tick Fever
  1. Epidemiology
    1. Incidence: 200 to 300 cases per year
    2. Region: Most common in Rocky Mountains
  2. Pathophysiology
    1. Cause: RNA orbivirus
    2. Transmission: Dermacentor andersoni (wood tick)
  3. Risk Factors for severe infection
    1. Asplenic patients
    2. Immunocompromised patients
  4. Symptoms: Influenza-like illness
    1. Onset one week after inoculation
    2. Pharyngitis
    3. Biphasic fever
    4. Meningitis
    5. Rash
    6. Conjunctivitis
  5. Differential Diagnosis
    1. Tick-Borne Disease
  6. Labs
    1. Blood smear with immunofluorescent stain for virus
    2. Complete Blood Count
      1. Leukopenia
      2. Thrombocytopenia
  7. Management
    1. Symptomatic (no specific treatment exists)

Colorado Tick Fever (C0009400)

Definition (MSH) A febrile illness characterized by chills, aches, vomiting, leukopenia, and sometimes encephalitis. It is caused by the COLORADO TICK FEVER VIRUS, a reovirus transmitted by the tick Dermacentor andersoni.
Concepts Disease or Syndrome (T047)
MSH D003121
ICD10 A93.2
SnomedCT 186607005, 6452009
LNC LA10445-7
English Colorado Tick Fever, Tick Fever, Colorado, COLORADO TICK FEVER, Fever, Colorado Tick, American mountain tick fever (diagnosis), Colorado tick fever (diagnosis), Colorado Tick Fever [Disease/Finding], colorado fever tick, mountain fever, colorado tick fever, mountain tick fever, American mountain tick fever, Colorado tick fever, CTF - Colorado tick fever, Colorado tick fever (disorder), American; mountain tick fever, fever; American mountain tick, fever; Colorado tick, fever; mountain, American mountain tick (virus), fever; mountain, fever; tick-borne, American mountain tick, fever; tick-borne, Colorado, mountain tick fever; American, mountain; fever, American mountain tick (virus), mountain; fever, Colorado tick; fever, tick-borne; fever, American mountain tick, tick-borne; fever, Colorado, Tick fever, American mountain, Tick fever, Colorado
Japanese コロラドダニ熱, ｺﾛﾗﾄﾞﾀﾞﾆﾈﾂ
Swedish Coloradofästingfeber
Czech koloradská klíšťová horečka, Coloradská klíšťová horečka
Spanish Fiebre por Garrapatas del Colorado, fiebre por garrapatas de Colorado (trastorno), fiebre por garrapatas de Colorado, fiebre transportada por garrapatas de las montañas americanas, Fiebre por garrapata de Colorado
Finnish Coloradon puutiaiskuume
Russian KOLORADSKAIA KLESHCHEVAIA LIKHORADKA, KLESHCHEVAIA LIKHORADKA KOLORADSKAIA, КЛЕЩЕВАЯ ЛИХОРАДКА КОЛОРАДСКАЯ, КОЛОРАДСКАЯ КЛЕЩЕВАЯ ЛИХОРАДКА
Korean 콜로라도 진드기 열
Polish Gorączka kleszczowa Kolorado, Gorączka górska
Hungarian Colorado kullancs láz
Norwegian Colorado tick fever
Dutch Amerikaans; bergtekenkoorts, Colorado-teek; koorts, bergtekenkoorts; Amerikaans, fever; mountain, Amerikaanse bergteek (virus), fever; mountain, koorts; Amerikaanse bergteek, koorts; Colorado-teek, koorts; door teken overgebracht, Amerikaanse bergteek, koorts; door teken overgebracht, Colorado, mountain; fever, Amerikaanse bergteek (virus), mountain; fever, teken overgebracht; koorts, Amerikaanse bergteek, teken overgebracht; koorts, Colorado, Colorado-tekenkoorts, Koorts, Colorado-teken-, Tekenkoorts, Colorado-
Portuguese Febre do Colorado transmitida por carraças, Febre do Carrapato do Colorado
German Colorado-Zeckenfieber, Coloradozeckenfieber
French Fièvre à tique du Colorado, Fièvre à tiques du Colorado
Italian Febbre da zecche del Colorado
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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