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Flashcards in STIs Deck (77)
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1

What is the most common bacterial STI?

Chlamydia

2

Profuse mucopurulent discharge from the penis and painful urination are most commonly symptoms of what STI?

Gonorrhoea

3

During which stage of syphilis does a chancre develop?

Primary

4

Which STI can lead to pelvic inflammatory disease in women?

Chlamydia

5

Which STI is known as the great imitator?

Syphilis

6

At what age is the HPV vaccine recommended for females?

11-13yo

7

Which type of genital HSV has a higher level of viral shedding?

Type 2

8

What type of organism is chlamydia?

Gram -ve bacteria

9

How is chlamydia transmitted?

Vaginal
Oral
Anal

10

What age group has the highest incidence of chlamydia?

20-24yo (M+F)

11

By how much does an episode of PID increase the risk of ectopic pregnancy by?

10x

12

What risk of tubal factor infertility does an episode of PID carry?

15-20%

13

How does chlamydia present in females?

Post coital or intermenstrual bleeding
Lower abdo pain
Dyspareunia
Mucopurulent cervicitis

14

How does chlamydia present in males?

Urethral discharge
Dysuria
Urethritis
Epididymo-orchitis

15

What are some complications of chlamydia?

PID (50% of cases)
Tubal damage
Chronic pelvic pain
Transmission to neonate
Adult conjunctivitis
Sexually acquired reactive arthritis/Reiter's syndrome
Fitz-Hugh-Curtis Syndrome (perihepatitis)

16

How is chlamydia diagnosed?

Test 14 days following exposure
NAAT- females (vulvovaginal swab), males (first void urine)
MSM (rectal swab if receptive anal intercourse)

17

How is chlamydia treated?

Azithromycin 1g stat
Doxycycline 100mg BD x 1wk

18

What type of organism is gonorrhoea?

Gram -ve intracellular diplococcus

19

Where are the primary sites of infection of gonorrhoea?

Mucous membranes of:
urethra
endocervix
rectum
pharynx

20

What is the incubation period of urethral gonorrhoea infection in men?

Short: 2-5 days

21

What is the transmission risk of gonorrhoea from an infected woman to male partner?

20%

22

What is the transmission risk of gonorrhoea from an infected man to female partner?

50-90%

23

How does gonorrhoea present in males?

Asymptomatic in =<10%
Urethral discharge >80%
Dysuria
Pharyngeal/rectal infections mostly asymptomatic

24

How does gonorrhoea present in females?

Asymptomatic (up to 50%)
Increased/altered vaginal discharge (40%)
Dysuria
Pelvic pain (<5%)
Pharyngeal/rectal infections mostly asymptomatic

25

What are the lower genital tract complications of gonorrhoea?

Bartholinitis
Tysonitis
Periurethral abscess
Rectal abscess
Epididymitis
Urethral stricture

26

What are the upper genital tract complications of gonorrhoea?

Endometritis
PID
Hydrosalpinx
Infertility
Ectopic pregnancy
Prostatitis

27

How is gonorrhoea diagnosed through microscopy?

Urethral 90-95% sensitivity
Endocervical 37-50% sensitivity

28

How is gonorrhoea diagnosed through culture?

>95% sensitivity (male urethra)
80-92% sensitivity (female endocx)

29

How is gonorrhoea diagnosed through NAATs?

>96% sensitivity (both symptomatic + asymptomatic)

30

What is the first line treatment of gonorrhoea?

Ceftriaxone 500mg IM