Infections Flashcards
what women’s health infections do we need to know about
cervicitis
HPV
chancroid
LGV (lymphogranuloma venereum)
PID
syphilis
candida vaginitis
BV
trichomonas
atrophic vaginitis
what are the different types of cervicitis
gonorrhea
chlamydia
HSV
HPV
mucopurulent vaginal d.c
gram negative diplococci
gonorrhea cervicitis
dx for gonorrhea cervicitis
NAAT of d.c or urine
tx for gonorrhea cervicitis
</=150 kg: ceftriaxone 500 mg IM single dose
>/= 150 kg: 1 g
tx for coinfection of gonorrhea cervicitis PLUS chlamydia trachomatis
cetriaxone
PLUS
doxy
give doxy if you haven’t excluded chlamydia
what should you think of if a pt has persistent pharyngitis
gonococcal pharyngitis
get samples for culture
urethritis, vulvovaginitis
pain, pruritis
cervicitis
clcear vaginal d.c
chlamydia cervicitis
mc STI of the urethra, cervix, and rectum
chlamydia
what bacteria causes chlamydia infxn
chlamydia trachomatis
sterotypes D-K
symptoms of chlamydia (5)
urethritis
bartholinitis
cervicitis
d.c
post-coital bleeding
8 complications of chlamydia
PID
endometritis
salpingo-oophritis
neonatal conjunctivitis
neonatal PNA
infertility
miscarriage
ectopic pregnancy
dx for chlamydia
NAAT
tx for chlamydia
- doxy
alt: azithromycin OR levofloxacin
all pt’s w. chlamydia should also be tested for _
gonorrhea
t/f: all pt’s w. positive NAAT for gonorrhea should also be treated for chlamydia, even if asymptomatic
t!
tx for chlamydia in pregnant pt
azithromycin
OR
amoxicillin
painful blisters on vulva/vaginal introitus - prodrome of burning, tingling, pruritis - vesicles on an erythematous base
HSV cervicitis
which HSV strain causes HSV cervicitis
HSV 2
enveloped linear double-stranded DNA virus
HSV 2
with genital herpes, were do ulcers/pustules mc form
labia majora/minora
mons pubis
vaingal mucosa
cervix
classic description of HSV
vesicles on an erythematous base
t/f: reactivation of HSV is often asymptomatic
t!
gs dx for HSV (3)
PCR
direct fluorescence antibody
type-specific serologic tests
what prep is associated w. HSV and waht does it show
Tzanck prep ->multinucleated giant cells
tx for HSV (3)
acyclovir
valacyclovir
famiciclovir
severe presentation of HSV (3)
sacral nerve involvement
urinary retention
meningitis
who should get suppressive tx for HSV
severe/frequent recurrent episodes 6 or more/year
suppressive tx for HSV
valacyclovir
more than 90% of genital warts are caused by
HPV 6
HPV 11
which HPV vaccination is indicated for females and males ages 9-45 yo
gardasil-9 (HPV 9-valent)
more than 90% of cervical ca is associated with which types of HPV (5)
16
18
31
33
35
_ is commonly seen in combo w. condyloma acuminata
trichomonas
condylomata acuminata is a clinical dx, but _ can confirm dx
shave or punch bx
pap smear findings of condylomata acuminata
koilocytic squamous epithelial cells in clumps
tx for condylomata acuminata (4)
most resolve w.in months-years
pdophyllin OR trichloroacetic acid (TCA)
topical imiquimod (aldara)
cryotherapy w. liquid nitrogen vs excision vs laser
3 HPV vaccines
quadrivalent (gardasil)
9-valaent (gardasil-9)
bivalent (cervarix)
t/f: both garadasil vaccines cover HPV 6, 11, 16, 18
t!
gardasil 9 also covers 31, 33, 45, 52, 58
the cervarix vaccine targets HPV (2)
16
18
only HPV vaccine available in the US
gardasil-9
all persons _ to _ yo should receive _ doses of gardasil 9
11-12
2 doses
gardasil 9 may be given starting at age _
9
catch up gardasil 9 should be given to all persons _ to _ yo regardless of risk factors
13-26
what are the 4 ulcerative STIs of the genital area
HSV
chancroid
lymphogranuloma venereum (LGV)
syphilis
30 yo f c/o painful sore on vulva that first resembled a pimple - PE shows an ulcer w. clearly demarcated borders on a gray base w. foul smelling d.c
chancroid
STI that results in painful genital ulcers
chancroid
what pathogen causes chancroid
haemophilus ducreyi
t/f: chancroid ulcers bleed easily when scraped
t!
where are chancroid ulcers mc found
areas most susceptible to friction: glans penis, vaginal introitus
half of pt’s w. chancroid will have what associated PE finding
marked LAD in the inguinal chain
dx for chancroid
RPR/VRDL
gram stain, culture, bx used in combo due to high rates of false negatives
tx for chancroid
ceftriaxone
+/- needle aspiration/drainage of LAD
what pathogen causes LGV
chlamydia trachomatis
serotypes L1, L2, L3
primary infxn of LGV occurs in the
lymph nodes
3 rf for LGV
HIV
Hep C
MSM
3 stages of LGV infxn
primary
secondary
late
primary stage of LGV is chracterized by
painless genital ulcers/papules
secondary stage of LGV infxn is chracterized by
unilateral or bilateral tender inguinal and/or femoral LAD
aka buboes
late stage of LGV infxn is characterized by
strictures/fibrosis/fistulae of the anogenital area
definitive dx for LGV
serology
preferred dx test for LGV for MSM
NAAT of rectal specimens
tx for LGV
- doxy
alt: azithromycin
pregnant: erythromycin
t/f: you should wait for official dx before treating for LGV
f!
treat if you suspect
STI that ascends from the cervix or vagina to involve the endometrium and/or fallopian tubes
PID
causative agents for PID
gonorhea
chlamydia
what is chandelier sign
what does it make you think of
cervical motion tenderness
PID
4 sx of PID
pelvic pain
fever
vaginal d.c
cervicitis
3 complications of PID
infertility
ectopic pregnancy
tubo-ovarian abscess (adnexal mass)
PE findings suggestive of PID
abdominal tenderness
cervical motion tenderness
adnexal tenderness
PLUS one or more:
-temp > 38
-WBC > 10,000
-pelvic abscesses via exam or US
inpt tx of PID:
op tx of PID:
inpt:
cefotetan/cefoxitin PLUS doxy
OR
clinda PLUS gentamicin
outpt:
ceftriaxone PLUS doxy +/- metronidazole
OR
cefoxitin PLUS probenecid PLUS doxy +/- metronidazole
6 indications for hospitalization w. PID
-uncertain dx w. inability to exclude d.o requiring surgical intervention (ex appendicitis)
-pregnancy
-no response to op tx w.in 72 hr
-severe illness: high fever, n/v
-inability to tolerate or follow op instructions
-tubo-ovarian abscess
what pathogen causes syphilis
spirochete Treponema pallidum
3 phases of syphilis
primary
secondary
tertiary
presentation of primary syphilis
chancre
describe a chancre
painless ulcer
groin or genital region
presists 3-6 weeks
presentation of secondary syphilis
erythematous rash on palms/soles
OR
condyloma lata
presentation of tertiary syphilis
neurosyphilis
mucosal growths (gummas)
dx for syphilis
RPR/VDRL
confirmed by: FTA-ABS
tx for primary and secondary syphilis
benathine pcn g 2.4 million units IM x 1 dose
*more doses if infected > 1 year or if pregnant *
tx for syphilis if pt is pcn allergic
doxy
tx for tertiary or congenital syphilis
iv pen g
what are the 4 types of vaginitis
trichmoniasis
BV
atrophic
candidiasis
mc cause of vaginitis
candida
describe the d.c w. candida vaginitis
clumpy/cheesy
mmmm
sx of candidal vaginitis (6)
pruritis
dysuria
burning
dyspareunia
vaginal/vulvar edema
erythema
3 predisposing factors for candidal vaginosis
DM
OCP
abx
dx for candidal vaginosis
KOH
KOH findings of candidal vaginosis
budding hyphae
pH associated w. bacterial candidiasis
acidic: < 4.5
tx for candidal vaginosis
- oral fluconazole
alt: topical: clotrimazole, tioconazole
severe: amphotericin B, capsofungin, voriconazole
pathogen associated w. BV
gardnerella
d.c associated w. BV
grayish white
fishy smelling
dx for BV
gram stain -> clue cells
KOH prep findings of BV
fishy smell -> whiff test
pH associated w. BV
basic: > 4.5
first line tx for BV
metronidazole
alt: clinda
important pt ed for pt on metronidazole
avoid etoh
d.c associated w. trichomonas vaginitis
greenish gray
frothy
rf for trichomonas vaginitis
sexually active
considered STI
hallmark PE finding of trichomonas
strawberry cervix -> petecchiae on cervix
dx for trichomonas
wet mount
wet mount findings of trichmonas
mobile and pear shaped protozoa w. flagella
tx for trichomonas
metronidazole
important tx consisderation w. trichmonas
considered an STI to treat partner too
post menopausal woman w. irritation, dryness, painful intercourse, increased UTI’s, urinary incontinence
atrophic vaginitis
what do you think when you see a pt w. recurrent UTI’s despite treatment in a post menopausal woman
atrophic vaginitis
dx for atrophic vaginitis
pelvic exam: thin, pale appearing mucosa
tx for atrophic vaginitis
- conjugated estrogen vaginal cream
- HRT if no contraindication
- non hormonal vaginal moisturizers