Sexually Transmitted Infections (STI) Flashcards
What are STIs?
Sexually transmitted infections spread by sexual activity.
How prevalent are STIs?
1 million new STIs are globally acquired daily.
What are the top ten most common STIs in the UK? (10)
- Genital warts
- Genital herpes
- Gonorrhoea
- HIV
- Hepatitis B
- Hepatitis C
- Chlamydia
- Pubic Lice
- Syphilis
- Trichomonas
How many people in the world are estimated to heave genital herpes?
Over 500 million people.
What are the forms of sexual contact? List them in progressive order of risk. (6)
- Mutual Masturbation
- Genital Contact
- Oral sex
- Vaginal sex
- Anal sex
- Group sex
What STI is often shared during group sex?
Hepatitis C
What STIs can be shared through genital contact alone? (4)
1) Scabies [Sarcoptes scabeii]
2) Herpes [Herpes Simplex Virus 1 & 2]
3) Warts [HPV 6 & 11]
4) Pubic Lice [Pthuris pubis]
What are the common features amongst most STIs? (4)
- Transmissible
- Avoidable
- Mostly Asymptomatic
- All manageable (not always curable)
What is initially examined if a patient suspected of having an STI? (6)
- Examination of genitalia
- Inguinal Nodes
- Pubic hair
Males:
- Scrotum
- Subprepubital space
- Male urethra
What investigations do we do for Chlamydia? (2)
PCR
Urine Dipstick
How do we test for N. Gonorrhoeae?
Urethral Smear
What STI’s call for a blood test? (3)
- Syphilis
- Hepatitis
- HIV serology
Where can swabs be taken from in women with suspected STI? (3)
- Vaginal Swab
- Urethral Swab (for chlamydia)
- Ulcer Swab (for HSV)
What are condoms good for (other than preventing pregnancy)?
Preventing transmission of some STIs. However not so good at preventing herpes and warts?
What two things should we advise against when someone is showing at risk behaviour for STIs?
- Advise against oral sex
- Advise against durgs & alcohol
