Syphilis Flashcards
1
Q
Incubation
A
10-90 days
2
Q
Chancre
A
Painless, soft, widespread lymphadenopathy
3
Q
Greatest risk vertical transmission
A
Early pregnancy
4
Q
Non-treponemal tests
A
VDRL
Rapid plasma reagin
Positive 4-8 weeks post infection
50% false reactive in low risk populations
Prozone phenomenon
Useful to monitor
5
Q
A
6
Q
Treponemal tests
A
EIA
TPHA
TPPA
Antibody -antigen test therefore remain positive with treated disease
1% false positive
Useful to diagnose
