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infection Flashcards

1
Q

genital herpes vs genital warts

A

herpes - ulcerated and painful

warts - fleshy and protruding

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2
Q

mx of genital warts

A

multiple: topical podophyllum
single: cryotherapy

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3
Q

travellers’ diarrhoea: what points to Giardiasis over E.coli

A

nature of symptoms - bloating and watery diarrhoea

length of illness - Giardiasis has an incubation period of >7 days; E. coli is 12-48 h

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4
Q

features of Chlamydia

A

women: cervicitis (discharge, bleeding), dysuria
men: urethral discharge, dysuria
more common than Gonorrhoea

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5
Q

mx of Chlamydia

A

7 days Doxycycline

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6
Q

HIV with CD4<200

A

provide prophylaxis against PJP - Co-Trimoxazole

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7
Q

which infections is a person susceptible to following splenectomy

A

Haemophilus influenzae

Meningococcus

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8
Q

HIV + homogenous enhancing lesion on CT

A

primary CNS lymphoma

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9
Q

HIV + ring enhancing lesion on CT

A

toxoplasmosis

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10
Q

motile trophozoites on vaginal swab

A

Trichomonas vaginalis

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11
Q

mx of Gonorrhoea

A

IM Ceftriaxone

Oral Cefixime + oral Azithromycin if patient refuses Ceftriaxone

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12
Q

pelvic inflammatory disease mx

A

DMC

Doxycycline + Metronidazole + Ceftriaxone

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13
Q

features of typhoid (Salmonella typhi)

A

abdo pain and distension
constipation
rose spots
relative bradycardia

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14
Q

common causative organism of chronic wound infections

A

Pseudomonas aeruginosa

especially if patients have any degree of immunosuppression

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15
Q

adverse effects of Trimethoprim

A

myelosuppression

tubular dysfunction leading to hyperkalaemia and increased serum creatinine

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16
Q

Chancroid vs genital herpes

A

Chancroid - single painful deep ulcer with painful lymphadenopathy
genital herpes - multiple painful ulcers with painful lymphadenopathy

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17
Q

UTI in pregnancy mx

A

treat even if asymptomatic
avoid Trimethoprim - use Nitrofurantoin
avoid Nitrofurantoin if near term - use Amoxicillin or Cefalexin

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18
Q

mx of Chlamydia in pregnancy

A

Azithromycin or Erythromycin or Amoxicillin

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19
Q

CSF findings in meningitis: bacterial vs viral vs TB

A

bacterial and TB have low glucose and high protein
viral has high glucose and normal/raised protein
TB has raised lymphocytes (30-300)

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20
Q

most common organism found in central line infections

A

Staph epidermidis

21
Q

mx of Legionella pneumonia

A

Clarithromycin

22
Q

ix for genital herpes

A

NAAT (nucleic acid amplification tests)

23
Q

complications of gonorrhoea

A

urethral strictures, epididymitis, salpingitis (hence infertility)
disseminated infection

24
Q

mx of infective exacerbation of COPD

A

Amoxicillin or Doxycycline or Clarithromycin

25
Q

mx of cellulitis

A

Flucloxacillin

If penicillin allergic - Clarithromycin, Erythromycin (best for pregnancy) or Doxycycline

26
Q

HIV + non-enhancing lesions on CT

A

progressive multifocal leukoencephalopathy due to JC virus

27
Q

causative organism of meningitis that stains with India ink

A

Cryptococcus neoformans

28
Q

which causative organisms of gastroenteritis have shortest incubation periods?

A

Staph aureus

Bacillus cereus

29
Q

mx for MRSA infections

A

Vancomycin or Teicoplanin or Linezolid

30
Q

mx for sinusitis if ABX are indicated

A

phenoxymethylpenicillin

31
Q

mx of genital herpes in pregnancy

A

oral aciclovir

elective C-section if >28 weeks gestation

32
Q

when is PipTaz used for pneumonia?

A

hospital acquired pneumonia acquired >5 days after admission

33
Q

features of hep A

A

flu-like symptoms
RUQ pain
tender hepatomegaly
cholestatic LFTs

34
Q

pneumonia that desaturates on exertion

A

PJP

35
Q

most common causative organism of pyelonephritis

A

E. coli

36
Q

baseline tests needed before starting anti-TB medications

A

U&Es
LFTs
Vision testing
FBC

37
Q

genital warts: syphilis vs herpes

A

Symphysis is silent - no pain

Herpes is heard - pain

38
Q

ABX used for prophylaxis for contacts of meningococcal meningitis

A

Ciprofloxacin or Rifampicin

39
Q

mx of asymptomatic bacteruria in pregnant woman

A

urine culture at first antenatal visit
immediate 7 days ABX - Nitrofurantoin (avoid at term), Amoxicillin or Cefalexin
urine culture as test of cure

40
Q

features of lymphogranuloma venereum

A

painless ulcer

painful lymphadenopathy

41
Q

most common causative organism of tonsillitis

A

Streptococcus pyogenes

42
Q

features of infectious mononucleosis (glandular fever)

A

sore throat, pyrexia and lymphadenopathy - classic triad
palatal petechiae
splenomegaly

43
Q

live attenuated vaccines

MOOBY

A 
MMR
Oral typhoid
Oral polio
BCG
Yellow fever
44
Q

features of cholera

A

diarrhoea (‘rice’ water)
hypoglycaemia
dehydration

45
Q

mx of contacts of confirmed Chlamydia cases

A

offer treatment prior to results of investigations

46
Q

what can happen if a child with sickle cell is infected with Parvovirus B19

A

aplastic anaemia with low reticulocyte count

47
Q

mx of toxoplasmosis in immunocompetent and immunosuppressed patients

A

immunocompetent - no treatment

immunosuppressed - pyrimethamine and sulphadiazine

48
Q

mx of prostatitis

A

14 days Ciprofloxacin BD

finals (25 decks)

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