how to test for STI

Question 1

STI tests available as routine asymptomatic tests

Answer 1

chlamydia, gonorrhoea , syphillis and HIV and cervical cytology

asdditonal tests include
trichomonad
hep b and c
mycoplasma genitalium
cnadidida
bacterial vaginosis
viral PCR for topical genital ulcers

Question 2

window periods of infections for chylamydia

Answer 2

2 weeks - so need re test

Question 3

window period of syphillis and HIV

Answer 3

4 weeks to 3 months
sphyillis can take 90 days

Question 4

window period hepatitis

Answer 4

3-6 months

Question 5

chlamydia trachoma’s tests by NAAT and what is sample of choice

Answer 5

vulvo-vaginal swab

Question 6

men NAAT testing by what method for chlamydia

Answer 6

first catch urine recommended to have held it for 1-2 hours

Question 7

gonorrhoea is NAAT screening test of choice men urine test ( then decant into NAAT tubes) and women what test

Answer 7

vulvo vaginal swab or endocervical

if high risk of symptomatic need to take a culture due to resistance and offer charcoal swab to chose right antibiotics

Question 8

candida is a vaginal swab with charcoal
trichomonad - wet preps and tv culture ( TV broth)

what is normal vaginal pH

Answer 8

3.5-4.5

BV and TV are over 5

Question 9

new sti mycoplasma genitalium implicated in PID and proctitis what test

Answer 9

NAAT
request on maxims specifically

Question 10

herpes simplex is viral PCR from ulcer or area

syphilsis is antibody test for screening what colour top

Answer 10

gold top

primary sympjhilsi is chancre PCR from ulcer and dark ground microscopy

Question 11

testing is dependent on symptoms and risk and screening is for

Answer 11

asymptomatic and the patients asks to be tested

Question 12

What are the common causes of pelvic inflammatory disease?

Answer 12

chlam and gonnorhea

Question 13

how does PID present 4 things

clue
pee
bleeding
discharge

Answer 13

Dysuria
Menorrhagia
Purulent vaginal discharge
Objective markers of infection and inflammation.

Question 14

A 19 year old woman has worsening vaginal discharge and bilateral iliac fossa pain for 3 days. Her vaginal discharge is foul smelling and she has dyspareunia. She is feverish and feels unwell.

Her temperature is 39.0°C.

Which combination of organisms are most likely to cause these symptoms?

Answer 14

Neisseria gonorrhoeae and Chlamydia trachomatis