STI Flashcards
What does a classical STI screening test look for?
- chlamydia
- gonorrhoea
- HIV
- Syphilis
What sampling can be performed for symptomatic discharge
- cervical microscopy
- vaginal microscopy
- urethral microscopy
- amines swab
Amines swab is what?-
High vaginal swab
What is a vulvovaginal swab used for?
- testing chlaymdia and gonorrhoea
- NAAT
What is NAAT?
- Nucleic acid aplification test
- tests for chlamydia and gonorrhoea
What is the commonest bacterial STI?
- Chlaymdia
Symptoms of chlamydia?
- asymptomatic
- milky urethral discharge (males)
- vaginal discharge
- intermenstrual bleeding
- dysuria
Complications of chlamydia?
- PID
- Ectopic pregnancy
- infertility
- reactive arthritis
- conjunctivitis
Incubation time for chalmydia?
- 7-21 days
When is testing performed for chlamydia?
- 14 days post exposure
- NAAT
- Endocervical or urine
Treatment of chamlydia?
- doxyxcycline
Symptoms of PID?
- Cervical excitation
- dysuria
- irregular bleeding
- abdo pain
Treatment of PID?
- Ceftriaxone (IM) + Doxycycline + metrondiazole
Incubation time for gonorrhoea?
- 2-5days
Symptoms of gonorrhoea?
- asymptomatic
- mucopurluent urethral discharge
- dysuria
- irregular bleeding
Tests for gonorrhoea?
- microscopy ( gram -ve diplococci)
- culture (antibiotics)
Treatment of gonorrhoea?
- ceftiaxone IM
LGV is what?
- lymphogranuloma venereum
- strain of chlaymdia
- MSM
Explain primary infection genital herpes
- never been exposed before
- more profound symptoms
Recurrent infection in HSV?
- Commoner in HSV 2
Risk of HSV in pregnancy?
- inform O&G
- highest risk in 3rd trimester
- primary infection = 50% risk of transmission
Genital herpes symptoms?
- genital ulcers
- external dysuria
- pain
- vaginal or urethral discharge
Genital herpes treatment?
- aciclovir
What organism caused syphilis?
- treponema pallidum
How is syphilis diagnosed?
- serology testing (antibody)
- dark field microscopy
- PCR
Treatment of early syphilis?
- benzathine penicillio single dose
Treatment of late syphilis?
- benzathine penicillin weekly for 3 weeks
Primary chancre is associated with what?
- primary syphilis
Incubation time for primary syphilis?
- 9-90 days
Incubation time for secondary syphilis?
- 6weeks - 6mnths
Symptoms of a secondary syphilis?
- skin rash
- lesions in mucous membranes
- anterior uveitis
Commonest viral STI?
- HPV
Which HPV type is more associated with genital warts?
- type 6 + 11
Which HPV type is oncogenic in nature?
- most oncogenic = hPV 16
- also hpv 18
Treatment of HPV genital warts?
- podophyllotoxin
- imiquimod
- cryotherapy
Symptoms of bacterial vaginosis?
- bacterial overgrowth
- vaginal discharge
- fishy odor
Treatment of bacterial vaginosis?
- metronidazole
