GUM Flashcards
What kind of organism is trichomonas vaginalis
Flagellated protozoan
How is trichomonas vaginalis best diagnosed?
Swab from the posterior fornix of the vagina observed under a microscope as a wet prep.
Symptoms of trichomonas vaginalis
Malodorous frothy discharge
What STI is a flagellated protozoan?
trichomonas vaginalis
What STI is an intercellular diploccocus
Neisseria gonorrhoea
What type of organism is neisseria gonorrhoea
Gram negative intracellular diplococcus
What is phthirus pubis
Pubic lice
How is phthiriasis diagnosed?
Pubic lice - Can be seen by the naked eye.
Treatment of phthiriasis
Malathion lotion or permethrin cream.
All body hair should be treated.
All bedding should be washed at high temperatures.
Sexual partners need treatment.
How is Candida albicans diagnosed?
Culture
Or presence of hyphae, pseudo hyphae and spores on microscopy.
Is Candida albicans sexually transmitted?
No
What is the name of the pox virus?
Molluscum contagiosum
How is molluscum contagiosum transmitted?
Skin to skin contact
Appearance of molluscum contagiosum?
small, raised, pink lesions with a central punctum.
Occasionally itch or sore.
Single or in groups
Can herpes cause an asymptomatic infection?
Yes. Rarely
Is genital herpes in pregnancy a risk to the fetus?
Primary herpes in the 3rd trimester can be transmitted to the fetus at birth
Diagnostic criteria of bacterial vaginosis
Amsel criteria (3/4 of):
1) Thin, white, yellow, homogeneous discharge
2) Clue cells on microscopy
3) pH of vaginal fluid >4.5
4) Release of a fishy odor on adding alkali—10% potassium hydroxide solution.
World wide incidence of sexual assault
1 in 5 women.
Often not reported
What genital infection is a diploid fungus?
Candida albicans
Symptoms of Candida albicans
Vulval itching / soreness Thick curd like discharge Dysuria Dyspareunia Vulval oedema Vulval excoriation/erythema
Predisposing factors for genital thrush
Pregnancy COCP Immunosuppression Broad spectrum antibiotics DM HRT HIV
Effect of thrush ion on pregnancy
No adverse effect in pregnancy.
Can be treated with topical imidazoles.
Cannot have oral imidazoles.
What organism is commonly associated with PID in association with an IUCD?
Actinomyces Israelii
Management of bacterial vaginosis
No treatment or Metronidazole (or clindamycin gel)
