STDs Flashcards
Purulent Urethritis in men?
N gonnorrheae
Clear urethritis in men?
C Trachomatis
Mycoplasma hominus
Ureaplasma Urealyticum
Cervicitis in women?
C trachomatis
Yellow, foul-smelling, itchy vaginitis?
Trichomonas
Trichomonas Vaginitis pH change?
> 4.5 (alkaline)
Trichomonas organism?
Motile Protozoa
Clear, fishy, non-itchy smelling vaginitis?
Bacterial vaginitis
Bacterial vaginitis organisms?
Gardenella
Mobillus
Itchy, white, vaginitis?
Candida albicans
Clue cells on wet mount are what? Indicate what?
Epithelial cells with attached bacteria
Bacterial vaginosis infection
TX for bacterial vaginosis and trichomonas vaginitis?
Metronidazole
TX for candida albicans?
Topical Azoles (Alter perm)
Painful genital ulcer?
HSV-2 H ducreyi (tropical)
Painless genital ulcer?
T. pallidium
C. trachomatous (L1, L2, L3)
HPV
PID organisms?
C. trachomatis
N. gonorrhea
Gram stain of N gonnorheae?
neg
shape of N gonnorheae?
cocci
N gonorrheae capsule?
No
Gonorheae ferments what?
Glucose ONLY
Gonorrheae lives in what cell type?
PMN
Gonorrheae virulence factors?
Pili
IgA protease
Gonorrheae grows in what selective media?
Thayer-Martin
Gonorrheae tx?
Ceftriaxone
Erythromycin eye drops in infants
C trachomatis is hard to see. Why?
Obligate intracellular
C trachomatis elementary vs. Reticulate bodies
Elementary = Enter Cells Reticulate = Replicate in cells
C trachomatis strains that cause PID, urethritis and conjunctivitis?
D-K
C trachomatis strains that cause lymphogranuloma venerum?
L1-L3
C trachomatis tx?
Doxycycline
Azithromycin
T. pallidum shape?
spirochete
Rapid test for T. pallidum?
VDLR or RPR
Confirmatory test for T pallidum?
FTA-Abs (Indirect Immunofluorescence)
Painless genital chancre is what stage of syphillis?
pirmary
Disseminated rash with genital wart is what stage of syphillis?
secondary
Gummas, Aoritis, and neuro symptoms are what stage of syphillis?
Tertiary
TX for syphillis?
Penicillin
Virus associated with cervical cancer?
HPV
Virus assocaited with kaposi sarcoma?
HHV8
HSV-2 and HHV8 viral classifications?
ds linear DNA
Icosahedral
Enveloped
Herpesviridae
Mollusca Contagiosum viral classification?
ds linear DNA
Icosahedral
Enveloped
Poxvirus
HBV viral classification?
ds partially circular DNA
Icosahedral
enveloped
Hepadnavirus
HPV viral classification?
ds CIRCULAR DNA
Icosahedral
NON-enveloped
Papilovirus
HPV infects which cells?
Epithelial
HPV is latent in which cells?
lytic in which cells?
Latent = Basal cells Lytic = keratinized epithelium
DX of HPV?
PCR
DX of HSV-2
Tzank smear with cowdry inclusion bodies
TX of HSV-2?
Acyclovir (Guanosine analog)