STI Flashcards
1
Q
STI vs STD
A
- STI, an infection by a pathogen which is sexually transmissible and which is unlikely to be transmitted by non-sexual means
- STD, a disease cause by an STI (e.g. pelvic inflammatory disease or genital warts)
2
Q
3 venereal diseases
A
- Syphilis (treponema pallidum)
- Gonorrhoea (neisseria gonorrhoeae)
- Chancroid (haemophilus ducreyi)
3
Q
Bacteria that causes chlamydia
A
Chlamydia trachomatis
4
Q
4 viral STIs
A
- HSV
- HIV
- HPV
- Molluscum contagiosum virus (MC)
5
Q
3 parasitic STIs
A
- Pthirus pubis (pubic louse)
- Sacroptes scabei (Scabies)
- Trichomonas vaginalis
6
Q
4 characteristic of an STI
A
- Transferrable
- Usually asymptomatic
- All manageable but not always curable
- Avoidable
7
Q
4 STIs that can be caught by genital contact only
A
- Pubic lice (Pthirus pubis)
- Scabies (Sacroptes scabeii)
- Warts (HPV type 6 & 11)
- Herpes (HSV types 1 & 2)
8
Q
Systemic symptoms of an STI
A
- Fever
- Rash
- Lymphadenopathy
- Malaise
- Infertility (chlamydia)
9
Q
3 common STI’s
A
- Trichomonas vaginalis (142.5 million)
- Chlamydia trachomatis (78.3 million)
- Neisseria gonorrhoeae (78.3 million)
10
Q
A relatively uncommon STI
A
Syphilis (5.6 million)
11
Q
What does an R0 > 1 and < 1 mean
A
- > 1 = epidemic is sustained
- <1 = epidemic reduces
12
Q
Components of Hx when an STI is suspected
A
- PC + Hx of PC
- Past medical + social Hx
- Drug Hx
- Gynae Hx
- Direct questions about symptoms (e.g. discharge from penis or pain in abdomen)
13
Q
7 components of sexual Hx
A
- When did you last have sex
- Casual vs regular partner and how long have they been seeing this partner
- Were they male or female
- Nature of sex, straight/gay/MSM
- Were condoms used
- Other contraception used
- Nationality of contact
14
Q
Risk assessment for men
A
- Have you ever had sexual contact with a man
- Ever injected drugs or had sexual contact with someone who has
- Sexual contacted with anyone from outside the UK (clarify?)
- Medical treatment outside the UK (clarify)
- Involvement with sex industry (had sex with a prostitute?)
15
Q
2 methods of partner notification
A
- Patient tells contact, “client referral”
- NHS tells contact, “provider referral”
