Summary
Definition
History and exam
Key diagnostic factors
- presença de fatores de risco
- febre
- cefaleia
- mal-estar
- mialgia
- artralgia
- náuseas
- pequena lesão eritematosa com ou sem centro necrótico
- rash inespecífico
Other diagnostic factors
- vômitos
- diarreia
- dor abdominal
- tosse
- dispneia
- rigidez de nuca
- confusão
- fotofobia
- estupor
- coma
- convulsões
- linfadenopatia
- icterícia
- hepatomegalia
- esplenomegalia
- infecções secundárias
Risk factors
- exposição/picada de carrapato
- imunossupressão
- idade superior a 60 anos
- sexo masculino
Diagnostic investigations
1st investigations to order
- Hemograma completo
- TFHs
- esfregaço de sangue periférico
Investigations to consider
- ensaio por imunofluorescência para detecção de anticorpos
- reação em cadeia da polimerase
Emerging tests
- Western immunoblotting
- cultura
- imuno-histoquímica
Treatment algorithm
adultos
crianças
Contributors
Authors
Juan P. Olano, MD
Professor
Department of Pathology
University of Texas Medical Branch
Galveston
TX
Disclosures
JPO is the author of a number of references cited in this topic.
Peer reviewers
Hariharan Regunath, MD, FACP, FIDSA
Adjunct Assistant Professor of Clinical Medicine
Department of Medicine - Divisions of Infectious Diseases and Pulmonary & Critical Care Medicine
University of Missouri
Columbia
MO
Disclosures
HR declares that he has no competing interests.
Richard Reithinger, MD, PhD
Professor
London School of Hygiene and Tropical Medicine
London
UK
Disclosures
RR declares that he has no competing interests.
References
Key articles
Centers for Disease Control and Prevention. Tickborne diseases of the United States: a reference manual for health care providers. 6th ed. Atlanta (GA): U.S Department of Health and Human Services, Centers for Disease Control and Prevention; 2022.
Biggs HM, Behravesh CB, Bradley KK, et al. Diagnosis and management of tickborne rickettsial diseases: Rocky Mountain spotted fever and other spotted fever group rickettsioses, ehrlichioses, and anaplasmosis - United States. MMWR Recomm Rep. 2016 May 13;65(2):1-44.Full text Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Differentials
- Pneumonia, bacteriana ou viral
- Gastroenterites, bacteriana ou viral
- Colecistite
More DifferentialsGuidelines
- CDC yellow book health information for international travel: rickettsial diseases
- Tickborne diseases of the United States: a reference manual for health care providers
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