Flashcards in STD Deck (43):
Does syphilis cross the placenta?
Syphilis screening test
Syphilis confirmation test
fluorescent treponemal antibody absorption (FTA-ABS)
microhemagglutination assay for antibody to treponema pallidum (MHA-TP)
pH change in BV
Acyclovir can be used starting at what age?
Can HIV be transmitted through breast milk?
HIV screening test
in older children and adult
infants - HIV polymerase chain reaction (PCR)
older children and adult - ELISA (VERY sensitive)
HIV confirmatory test
Two lab tests used to determine progression of HIV/AIDS
o absolute CD4 lymphocyte - "T" - normal >800 (want high)
o viral load - want zero or undetectable (want as low as possible)
What is the leading killer of AIDS patients?
PJP - pnuemocystis jirovecci pneumonia
what do HIV people take daily for prevention? Bactrim
After exposure, how long to seroconvert to HIV+?
3 weeks to 6 months
Early symptoms of HIV
fever, night sweats, and weight loss
What differentiates AIDS from HIV?
CD4 < 200 cells/uL
What is a common co-morbidity with chancroid?
should test those presenting with chancroid
What does chancroid look like?
painful ulcer surrounded by erythmatous halo
What other clinical feature also accompanies chancroid?
bubo - swelling of lymph nodes
Treatment for chancroid?
azythromycin 1 gram PO -- same as chlamydia
ceftriaxone 250 mg IV -- same as gonorrhea
ciprofloxicin 500 mg PO
Most common STD in US?
Which two STDs cause dysuria?
Symptoms of chlamydia
thick, cloudy penile discharge
Major causes of dysparunia (4)
Treatment for chlamydia
azithromycin 1 gram PO
2nd - doxycycline x 7 days
Testing for chlamydia
EIA - enzyme immunoassay: low cost, fast (30 - 120 min)
culture - 3 to 9 days
The most common viral STD in the US
HPV / condyloma accuminata
Treatment for condyloma accuminata
o keratolytic agents - podophyllin, TCA, BCA
o cryo, laser, excision, electrocautery
What is the recommended treatment for condyloma in pregnant women?
Treatment for gonorrhea
cotreat for chlamydia with azithromycin
Which STDs must be reported to the health department?
What should a patient exposed to hepatitis B receive?
HBIG within 14 days (sooner is better)
Is HBIG passive or active immunity?
Is tetanus toxoid passive or active immunity?
What does initial herpes look like?
12 days of:
treatment for herpes
valacyclovir - especially for asymptomatic viral shedding
What is lymphgranuloma venereum (LGV)?
Chlamydial infection of the lymph nodes
What might LGV be confused with and how to tell the difference?
ulcer and bubo may be confused with chancroid
but chancroid is painFUL
and LGV is painLESS
Treatment for LGV
doxycycline BID x 21 days
aspirate buboes to prevent ulcerations
Most common treatment for molluscum
rash on palms and soles
seropositive but asymptomatic