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Flashcards in STD Deck (43):
1

Does syphilis cross the placenta?

yes

2

Syphilis screening test

VDRL
RPR

3

Syphilis confirmation test

TREPONEMAL testing

****
fluorescent treponemal antibody absorption (FTA-ABS)
microhemagglutination assay for antibody to treponema pallidum (MHA-TP)

4

pH change in BV

increased pH

5

Acyclovir can be used starting at what age?

6 months

6

Can HIV be transmitted through breast milk?

yes

7

HIV screening test
in infants
in older children and adult

infants - HIV polymerase chain reaction (PCR)

older children and adult - ELISA (VERY sensitive)

8

HIV confirmatory test

western blot

9

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)

10

What is the leading killer of AIDS patients?

PJP - pnuemocystis jirovecci pneumonia

what do HIV people take daily for prevention? Bactrim

11

After exposure, how long to seroconvert to HIV+?

3 weeks to 6 months

12

HIV prodrome

flu-like symptoms

13

Early symptoms of HIV

fever, night sweats, and weight loss

14

What differentiates AIDS from HIV?

CD4 < 200 cells/uL

and/or

opportunistic infection

15

What is a common co-morbidity with chancroid?

HIV
should test those presenting with chancroid

16

What does chancroid look like?

painful ulcer surrounded by erythmatous halo

17

What other clinical feature also accompanies chancroid?

bubo - swelling of lymph nodes

18

Treatment for chancroid?

azythromycin 1 gram PO -- same as chlamydia

ceftriaxone 250 mg IV -- same as gonorrhea

ciprofloxicin 500 mg PO

19

Most common STD in US?

chlamydia

20

Which two STDs cause dysuria?

gonorrhea
chlamydia

R/o UTI

21

Symptoms of chlamydia

asymptomatic often

dysuria
dysparunia (female)
thick, cloudy penile discharge

22

Major causes of dysparunia (4)

PID
menopause
trich
chlamydia

23

Treatment for chlamydia

azithromycin 1 gram PO

2nd - doxycycline x 7 days

24

Testing for chlamydia

EIA - enzyme immunoassay: low cost, fast (30 - 120 min)
culture - 3 to 9 days

25

The most common viral STD in the US

HPV / condyloma accuminata

26

Treatment for condyloma accuminata

o keratolytic agents - podophyllin, TCA, BCA

o cryo, laser, excision, electrocautery

27

What is the recommended treatment for condyloma in pregnant women?

laser

28

Treatment for gonorrhea

ceftriaxone IM

cotreat for chlamydia with azithromycin

29

Which STDs must be reported to the health department?

GCS
gonorrhea
chlamydia
syphilis

30

What should a patient exposed to hepatitis B receive?

HBIG within 14 days (sooner is better)

31

Is HBIG passive or active immunity?

passive

32

Is tetanus toxoid passive or active immunity?

active

33

What does initial herpes look like?

12 days of:

fever
malaise
dysuria
painful ulcers

34

treatment for herpes

acyclovir

valacyclovir - especially for asymptomatic viral shedding

35

What is lymphgranuloma venereum (LGV)?

Chlamydial infection of the lymph nodes

36

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

37

Treatment for LGV

doxycycline BID x 21 days
aspirate buboes to prevent ulcerations

38

Most common treatment for molluscum

cryo

39

Primary syphilis

painLESS chancre

40

Secondary syphilis

flu-like symptoms
rash on palms and soles

41

Latent syphilis

seropositive but asymptomatic

42

Tertiary syphilis

multi-system including
CV
neuro

43

Treatment for syphilis

Penicillin G

if allergic
doxy
erythromycin