Obs and Gynae Flashcards
What is the most common STI in the UK?
Chlamydia
Is chlamydia more often symptomatic or asymptomatic?
Asymptomatic in 70%
What are the classical features of chlamydia?
Vaginal/urethral discharge
Dysuria
What is the investigation for chlamydia?
NAAT testing
Women - vulvo-vaginal swab
Man - mid-stream urine
What is the treatment for chlamydia?
Doxycycline 7 days or Azithromycin stat dose
What STI is screened for in the UK?
Chlamydia
What age range is chlamydia screening open to?
15-24yrs
Give 5 risk factors for STIs
- Age <25
- Multiple sexual partners
- Recent change in sexual partner
- Unprotected sex
- History of previous STIs
- Men who have sex with men
- Sex workers
What are the classical features of gonorrhoea?
Mucopurulent vaginal/urethral discharge
Dysuria
Dyspareunia
Is gonorrhoea more likely to be asymtomatic in men or women?
Women
Is gonorrhoea more likely symptomatic or asymtpomatic?
Symptomatic
What is the investigation for gonorrhoea?
NAAT testing
What is the treatment for gonorrhoea?
Stat does IM ceftriaxone
What are the primary features of syphilis?
Chancre - painless genital ulcer
What are the secondary features of syphilis?
Fevers
Lymphadenopathy
Rash
Condylomata lata
Which organism causes syphillis?
Spirochete, Treponema pallidum
What are the tertiary features of syphilis?
Gummas (granulomatous lesions)
CVD - ascending aortic aneurysms
Neuro - paralytic dementia etc.
What are the serological tests for syphilis?
Treponemal tests (TPHA) - +ve for life Cardiolipin tests (RDR/VDRL) - -ve after treatment
What is the first line treatment for syphilis?
IM benzathine penicillin
What reaction is sometimes seen following syphilis treatment?
Jarisch-Herxheimer reaction - flu-like illness within 24hrs of treatment, supportive treatment
Which STI is a highly motile flagellated protozoan parasite?
Trichomonas Vaginalis
What are the classical features of trichomonas vaginalis?
- Yellow/green, frothy vaginal discharge
- Vulvovaginitis
- Strawberry cervix
What is the treatment for trichomonas vaginalis?
Metronidazole 5-7days or stat dose
What are genital warts?
Benign epithelial or mucosal outgrowths caused by HPV6 and HPV11
What are the 2 main treatment options for genital warts?
Topical podophyllum - for multiple non-keratinised warts
Cryotherapy - solitary keratinised warts
How does genital herpes present?
Painful genital ulceration
Which strains of HSV can cause genital herpes?
HSV1 and 2
What is the treatment for genital herpes?
Oral aciclovir