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19 Cards in this Set
- Front
- Back
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Ticks - life cycle
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Eggs
Larva Nymph - 6 legs Adult - 8 legs |
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Tick-borne illness prevention
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Avoid tick-infested areas
Wear protective clothing DEET insecticides Remove ticks without squeezing |
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Erythema migrans 8-14 days after exposure
Carditis Aseptic meningitis Bell's palsy Arthritis of the knees CNS disease |
Lyme disease
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Lyme disease - epidemiology
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White footed moose reservoir
Dog, deer, and human reservoir Mostly in northeastern US Epidemics in fall |
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Lyme disease - pathogenesis
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Multiplication in tick midgut
Travel to salivary glands Replication in mammalian host Dissemination to skin, heart, and nervous system |
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Lyme disease - organism
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Borrelia
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Lyme disease - diagnosis
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ELISA
Western blot Culture PCR of joint fluid |
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Lyme disease - treatment
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Doxycycline
Amoxacillin |
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2-14 day incubation
Fever, headache, myalgias Peripheral petechial rash |
Rocky Mountain spotted fever
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Rocky Mountain spotted fever - epidemiology
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Ticks, small dogs, and mammals
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Rocky Mountain spotted fever - organism
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Rickettsia - small gram negative intracellular coccobacillus
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Rocky Mountain spotted fever - diagnosis
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Seroconversion
Biopsy |
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Rocky Mountain spotted fever - treatment
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Doxycycline
Chloramphenicol |
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Fever, headache, myalgias
Maculopapular rash |
Ehrlichiosis
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Ehrlichiosis - epidemiology
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Ixodes tick vector
White tailed deer or moose reservoir Spring and summer transmission from blood of infected moose More in middle aged and elderly |
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Ehrlichiosis - organism
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Ehrlichia - gram negative intracellular coccoid
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Ehrlichiosis - complications
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Meningitis
Pneumonitis Severe hepatitis Hemphagocytic syndrome DIC |
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Ehrlichiosis - diagnosis
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Microscopy
Culture Serology PCR |
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Ehrlichiosis - treatment
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Doxycycline
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