STIs Flashcards

1
Q

organism for gonorroea

A

Neisseria gonorroea

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2
Q

incubation period gonnorrhoea

A

2-14 days

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3
Q

features gonorrhoea men

A

10% asymptomatic. anterior urethritis- dysuria and urethral discharge

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4
Q

complications gonorrhoea men

A

ascending infection

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5
Q

features gonorrhoea women

A

50% asymptomatic. discharge, pelvic pain, dysuria, intermenstrual bleeding

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6
Q

complications gonorrhoea women

A

bartholins abscess, perihepatitis, infertility, conjunctival infection in newborn

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7
Q

treatment gonorrhoea

A

single dose ceftriaxone

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8
Q

what organism causes chlamydia

A

chlamydia trachomatis

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9
Q

features chlamydia men

A

anterior urethritis- dysuria and discharge. ascending infection- epididymitis, rectal-proctitis

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10
Q

how many men are asymptomatic in chlamydia

A

50%

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11
Q

where is the common site chlamydia and gonorrhoea in women

A

endocervix

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12
Q

how many women are asymptomatic chlamydia

A

80%

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13
Q

features chlamydia women

A

discharge, post coital or intermenstrual bleeding, lower abdominal pain. salpingitis ascengin infection.

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14
Q

what can chlamydia do to newborn

A

mucopurulent conjunctivitis and pneumonia

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15
Q

diagnostic chlamydia

A

NAAT - nucleic acid amplification test

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16
Q

what are the samples to be tested in chlamydia

A

men- first voided urine. women- endocervical and urethral swabs

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17
Q

treatment chlamydia

A

azithromycin single dose or doxy 7 days

18
Q

how long may NAAT stay positive for after treatment

A

5 weeks

19
Q

what organism causes syphillis

A

treponema pallidum

20
Q

types of syphilis

A

congenital, acquired

21
Q

what is primary syphilis

A

10-90 days papule develops. ulcerates- firm chancre. painless lymphadenopathy. healing at 2-3 weeks

22
Q

what is secondary syphilis

A

4-10 weeks after primary lesion. fever, sore throat, malaise, arthralgia

23
Q

features secondary syphilis

A

any organ can be affected- hepatitis, nephritis, arthritis, meningitis; lymphadenopathy, skin rash, superficial ulceration, neuro signs

24
Q

what happens to untreated syphilis in pregnant woman

A

70% foetuses infected. 30% stillbirth

25
Q

what is early latency syphilis

A

symptoms abate over 3-12 weeks. may recur in 2 years

26
Q

what is late latency syphilis

A

no clinical signs for 2 years

27
Q

what is tertiary syphilis

A

late benign syphilis. gumma (sometimes ulcerating lesions) can occur anywhere in the skin

28
Q

treatment syphilis

A

benzathine penicillin. benzylpenicillin, doxy, erythromycin

29
Q

what ab should be used to treat syphilis in pregnancy

A

erythromycin

30
Q

tests in syphilis

A

cardiolipin antibody, treponeme-specific antibody. microscopy

31
Q

features BV

A

greyish white adherent discharge, fishy odour, amine test >4.7, clue cells on microscopy

32
Q

treatment BV

A

metronidazole 5-7 days, topical clindamycin intravaginally 7 days

33
Q

organism in candida

A

candida albicans

34
Q

what can candida do to men

A

balanitis- inflame head of penis

35
Q

predisposing risk factors for candida

A

pregnancy, diabetes, broad spec antibios, corticosteroids

36
Q

features candida women

A

pruritus vulvae, vaginal discharge, erythema swelling of vulva broken skin sometimes

37
Q

features candida men

A

burning penile irritation after sex

38
Q

diagnosis candida

A

microscopic exam of smear from vagina wall. culture of swabs

39
Q

treatment candida

A

pessary or cream containing imidazole. clotrimazole. oral fluconazole. itraconazole.

40
Q

treatment recurrent candida

A

fluconazole