Sexually transmitted infections and the GI tract Flashcards Preview

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Flashcards in Sexually transmitted infections and the GI tract Deck (16):
1

How are infections transmitted during "sex"?

Direct inoculation
Trauma e.g. blood borne viruses
IV drug use
Fomites
Ingestion
Sexual/genital secretions

2

Which parts of the GI tract can be affected by STIs?

Any part

3

What GI infection can be transmitted faeco-orally during sex?

Shigella

4

What is Gonorrhoea often coinfected with?

Chlamydia

5

How is rectal gonorrhoea spread?

Direct contact of mucosal surfaces.

6

What are the symptoms of rectal gonorrhoea?

Short incubation period (5-10 days)
Low abdominal pain
Diarrhoea
Rectal bleeding and discharge
Tenesmus
May have associated symptoms: urethral discharge, dysuria
May be asymptomatic

7

What is seen on proctoscopy?

Inflamed mucosa
Purulent exudate

8

What are complications of rectal gonorrhoea?

Abscess formation
Increased susceptibility to HIV
Increased infectiousness of HIV
(more likely to acquire HIV if come into contact with it if the mucosa is already inflamed and infected)

9

How is rectal chlamydia transmitted?

Direct contact of mucosal surfaces.

10

Which sites should be considered when doing STI screening and testing?

Vagina
Urethra
Throat
Rectum

11

What are the symptoms of rectal chlamydia?

70% asymptomatic
Milder than gonorrhoea
Anal discomfort/itch and discharge
Associated symptoms

12

How does primary syphilis present?

A solitary painless ulcer

13

How does secondary syphilis present?

Mucosal patches and ulcers
Mouth, anogenital, rectal
Condylomata lata - wart like lesions in warm areas
Systemic inflammation
Hepatitis

14

What are symptoms of rectal Herpes simplex 2?

Pain
Ulcers
Painful defecation
Bleeding
Mucus
Viraemic symptoms

15

What does HPV infection cause?

Usually causes anal warts which can extend to the rectum

16

What is the common presentations of STIs in the GI tract?

Peri-anal pathology
Proctitis
Proctocolitis
Hepato-biliary problems

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