Shared Flashcard Set

Details

Basic Science- Spirochetes
MSK week 3
20
Medical
Graduate
08/22/2018

Additional Medical Flashcards

 


 

Cards

Term
Which spirochete causes syphilis?
Definition
Treponema pallidum
Term
Does syphilis present with painful or painless chancre?
Definition
Painless
Term
What causes the primary lesion in syphilis?
Definition
Pt's immune response
Term
How do we treat syphilis?
Definition
Penicillin
Term
Virulence factors of T. pallidum?
Definition
Outer membrane proteins- promote adherence; hyaluronidase; antiphagocytic coating of fibronectin
Term
How long after primary exposure does primary chancre of syphilis typically appear?
Definition
3-4 weeks, can be 10-90 days
Term
Clinical manifestation of secondary syphilis?
Definition
Generalized mucocutaneous rash
Term
Tertiary syphilis characterized by?
Definition
Gummas (granulomatous lesions)
Term
Name of unethical study in which African-American patients were inoculated w/ syphilis and not treated?
Definition
Tuskegee
Term
Screening tests for syphilis?
Definition
RPR; VDRL (can check CSF), TP-EIA (can check CSF)
Term
What disease state can lead to a false positive RPR screen?
Definition
SLE
Term
Confirmatory tests for syphilis (following positive screen)?
Definition
FTA-ABS, TP-PA, MHA-TP
Term
Which organism causes Lyme disease?
Definition
Borrelia burgdorferii
Term
Types of relapsing fever?
Definition
Epidemic = louse-borne (scratching spreads it); B. recurrentis
endemic = tick-borne
Term
Rash associated w/ Lyme?
Definition
Erythema chronicum migrans- bull's eye rash
Term
Lyme tx?
Definition
Amoxicillin/Doxy
Term
How is leptospirosis spread?
Definition
Animal contact or water/soil contaminated w/ animal urine or feces
Term
Clinical manifestations of leptospirosis?
Definition
Jaundice, immune complex glomerulonephritis
Term
What is Weil's disease?
Definition
Icteric leptospirosis: vascular collapse, thrombocytopenia, hemorrhage, hepatic/renal failure
Term
Test of choice for leptospirosis?
Definition
PCR
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