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Gynae AM > STIs > Flashcards

STIs Flashcards

1
Q

What is the most common STI?

A

Chlamydia, by a long way

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2
Q

What is the causative organism of chlamydia?

A

Chlamydia trachomatis

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3
Q

What % of people with chlamydia are asymptomatic?

A 
WOmen= 70%
Men= 30%
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4
Q

What are the features of chlamydia in men?

A

Slight watery urethral discharge, esp in morning
Dysuria
Itch

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5
Q

What are the features of chlamydia in women?

A 
Change in bleeding pattern- IMB, PCB
Dysuria
Vaginal discharge
Pelvic pain
Dyspareunia
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6
Q

How is chlamydia diagnosed?

A

NAAT at least 2 weeks after possible exposure of

  • first void urine in men
  • low vaginal swab in women
  • rectal/pharyngeal swab
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7
Q

What is the management of chlamydia?

A

Doxycycline 100mg 2x daily for 7 days

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8
Q

What is the alternative management of chlamydia?

A

High dose azithromycin if intolerant to doxy

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9
Q

What are the possible complications of chlamydia?

A 
Reiter's syndrome
Men= epididimytis
Women
-PID
-endometriosis
-ectopic pregnancy
-infertility
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10
Q

What is the 2nd most common STI?

A

Gonorrhoea

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11
Q

What is the causative organism of gonorrhoea?

A

Neisseria gonorrhoeae

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12
Q

How % of people with gonorrhoea are asymptomatic?

A

10% men

50% women

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13
Q

What are the symptoms of gonorrhoea in men?

A

Profuse thick yellow-y discharge

Dysuria

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14
Q

What are the symptoms of gonorrhoea in women?

A

Vaginal discharge
Change in bleeding pattern- IMB, PCB
Dysuria

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15
Q

How is gonorrhoea diagnosed?

A

NAAT of

  • first void urine in men
  • low vaginal swab in women
  • rectal/pharyngeal swab
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16
Q

What is the management of gonorrhoea?

A

IM ceftriaxone once

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17
Q

What are the complications of gonorrhoea?

A

Disseminated gonococcal infection
Men= epididimytis
Women= PID, Bartholin’s cyst

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18
Q

What does disseminated gonococcal infection cause?

A

Tenosynovitis
Migratory polyarthritis
Dermatitis

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19
Q

What causes genital warts?

A

HPV 6 and 11

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20
Q

What is the normal presentation of HPV 6 and 11?

A

Asymptomatic

21
Q

What are the features of genital warts?

A

Lumps with surface texture of cauliflower

Itching, bleeding

22
Q

How are genital warts diagnosed?

A

Clinically on appearance

Biopsy if unusual

23
Q

What is the management of genital warts?

A
  1. Topical podophyllum
  2. Imiquimod cream
    Cryotherapy- good for solitary keratinised warts
    Diathermy
    Scissor removal
24
Q

When is podophyllotoxin cream avoided?

A

Pregnant, or trying women

Teratogenic

25
Q

What is the causative organism of herpes?

A

HSV 1 and 2

26
Q

What ar the features of herpes?

A

80% asymptomatic
Primary= painful genital ulceration, lymphadenopathy, neuralgic pain, flu like symptoms, dysuria
Recurrences

27
Q

How is herpes diagnosed?

A

Clinical impression

Occasional PCR swab of ulcer

28
Q

What is the management of herpes?

A

Oral aciclovir and lidocaine ointment

29
Q

What are the complications of herpes?

A

Autonomic neuropathy
Neonatal infection
Secondary infection

30
Q

Who is syphilis seen in?

A

> 90%= MSM

31
Q

What is th causative organism of syphilis?

A

Treponema pallidum

32
Q

What ar th 3 stages of syphilis?

A

Primary
Secondary
Tertiary

33
Q

What are the features of primary syphilis?

A

Local ulcer aka chancre- firm, round and painless

34
Q

What are the features of secondary syphilis?

A 
Triad
-Rash- involves palms and soles
-Mucosal ulceration
-lymphadenopathy
Fever
35
Q

What are the features of congenital syphilis?

A 
Blunted incisors
Saber shins
Saddle nose
Keratitis
Deafness
36
Q

What are the types of symptoms in tertiary syphilis?

A

Neuro, CV or gummatous

37
Q

How is syphilis diagnosed?

A

Cardiolipin tests

Treponomal specific antibodies

38
Q

How is syphilis treated?

A

IM benzathine penicillin OR doxycycline

39
Q

What are the complications of syphilis?

A

Neurosyphilis- CN palsies common , Argyll Robertson pupils
CV involvement
Congenital syphilis

40
Q

What ar the symptoms of trichomonas vaginalis in men?

A

asymptomatic

urethritis

41
Q

What are the features of trichomonas vaginalis in women?

A

Profuse, thin vaginal discharge- greenish, frothy, foul smelling
Itch
Vulvitis
Strawberry cervix

42
Q

How is trichomonas vaginalis diagnosed?

A

PCR and microscopy of swab

43
Q

What is the management of trichomonas vaginalis?

A

Oral metronidazole

44
Q

What are the complications of trichomonas vaginalis?

A

Miscarriage

Preterm labour

45
Q

What is lymphogranuloma venereum?

A

STI of lymphatics caused by chlamydia trachomatis

46
Q

What are the features of lymphogranuloma venereum?

A

Pustule progressing to ulcer

Painful inguinal lymphadenopathy

47
Q

What is a chancroid?

A

Painful genital ulcer with unilateral lymph node enlargement

Common in developing world but rare in UK

48
Q

What causes a chancroid?

A

H. ducreyi

Gynae AM (17 decks)

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