Rocky Mountain Spotted Fever
Basics
Description
Rickettsial invasion of small blood vessels:Description
- Causes direct vascular damage
- Superimposed additional vascular damage/vasculitis due to immunologic phenomena
Etiology
Etiology
- Acute infection by Rickettsia rickettsii via tick vector:
- Dermacentor andersoni (wood tick) in the western states
- Dermacentor variabilis (dog tick) in the eastern states
- Reported in all states; 1/2 of cases occur in 5 states (NC, SC, TN, OK, AR), as well as parts of Central America and South America
- More common April–September, but can occur any month
- More common in males and in individuals 40–64 yr of age
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Citation
Schaider, Jeffrey J., et al., editors. "Rocky Mountain Spotted Fever." 5-Minute Emergency Consult, 6th ed., Lippincott Williams & Wilkins, 2020. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307562/all/Rocky_Mountain_Spotted_Fever.
Rocky Mountain Spotted Fever. In: Schaider JJJ, Barkin RMR, Hayden SRS, et al, eds. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2020. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307562/all/Rocky_Mountain_Spotted_Fever. Accessed October 4, 2024.
Rocky Mountain Spotted Fever. (2020). In Schaider, J. J., Barkin, R. M., Hayden, S. R., Wolfe, R. E., Barkin, A. Z., Shayne, P., & Rosen, P. (Eds.), 5-Minute Emergency Consult (6th ed.). Lippincott Williams & Wilkins. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307562/all/Rocky_Mountain_Spotted_Fever
Rocky Mountain Spotted Fever [Internet]. In: Schaider JJJ, Barkin RMR, Hayden SRS, Wolfe RER, Barkin AZA, Shayne PP, Rosen PP, editors. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2020. [cited 2024 October 04]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307562/all/Rocky_Mountain_Spotted_Fever.
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