csv micro Flashcards

1
Q

Mollaret’s meningitis

A

Recurrent aseptic meningitis with HSV-1 or HSV-2

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2
Q

India ink

A

Cryptococcus neoformans

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3
Q

Swimming + bloody diarrhoea + anaemia + thrombocytopaenia

A

Traveller’s diarrhoea: Enterobacteriaecae = EHEC

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4
Q

Lymphogranuloma venereum

A

Chlamydia trachomatis L1, L2, L3 serovars

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5
Q

Argyll Robertson pupils

A

Treponema pallidum: tertiary syphilis

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6
Q

Firm painless chancre

A

Primary syphilis: treponema pallidum

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7
Q

Diarrhoea + shock + BBQ + superantigen

A

Staphylococcus aureus: exotoxin TSST-1

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8
Q

Painful penile ulcer + culture on chocolate agar

A

Haemophilus ducreyi (Gram negative coccobacillus)

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9
Q

meningism + microscopic agglutination test

A

Leptospira interrogans

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10
Q

Clue cells + fishy discharge

A

Bacterial vaginosis

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11
Q

Uncomplicated UTI

A

Trimethoprim

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12
Q

Pneumocystis jiroveci treatment

A

Co-trimoxazole

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13
Q

MRSA drug of choice

A

Vancomycin

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14
Q

Gomori’s methenamine stain

A

Penumocystis jirovecii

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15
Q

Watery diarrhoea + rods with fast movements

A

Vibrio Cholerae

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16
Q

Zidovudine

A

NRTI

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17
Q

Efavirenz

A

NNRTI

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18
Q

Treatment of Hep B

A

Interferon-alpha + Lamuvidine

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19
Q

Peg-interferon alpha

A

Treatment of Hep C

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20
Q

Viral neuraminidase inhibitor

A

Oseltamivir

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21
Q

Prophylaxis for CMV in BMT patients

A

Gancyclovir

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22
Q

India ink reveals yeast with halo

A

Cryptococcus neoformans

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23
Q

Hyperpigmentation (pale skin) + ‘spaghetti with meatballs’

A

Pityriasis versicolor

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24
Q

SOB + spherical opacity on CXR

A

Aspergillus flavus

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25
Q

Rose gardener’s disease

A

Sporothrix schenckii

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26
Q

Diagnosis on Castaneda medium

A

Brucella species

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27
Q

Flu-like symptoms + diarrhoea + microscopic agglutination test

A

Leptospira interrogans

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28
Q

Rocky Mountain spotted fever

A

Rickettsiae

29
Q

Cytoplasmic inclusions on Giemsa/fluorescent staining of sputum or biopsy

A

Psittacosis

30
Q

3 week baby with meninigitis + Gram negative rods

A

Listeria monocytogenes

31
Q

Koplik spots

A

Measles

32
Q

Complication of measles

A

Subacute pan-sclerosing encephalitis

33
Q

4 month old unvaccinated baby with meningitis + Gram negative rod on CSF

A

Haemophilus inluenzae

34
Q

Tumbling motlity

A

Listeria monocytogenes

35
Q

Pear-shaped organisms on stool microscopy

A

Giardia

36
Q

Lowenstein-Jensen medium

A

Mycobacterium tuberculosis

37
Q

Alcholic + high fever + blood-stained sputum

A

Klebsiella pneumoniae

38
Q

Drug acted upon by viral thymidine kinase

A

Acyclovir

39
Q

Pink MacConkey agar

A

Lactose fermenting organsims

40
Q

Novy-MacNeal-Nicolle medium

A

Leishmania major

41
Q

Flu-like illness + rash with central fading

A

Borrelia burgdorferi

42
Q

Kala-azar

A

Visceral leishmaniasis

43
Q

Most common cause of septic arthrtisi in young, sexually active adults

A

Neisseria gonorrhoea

44
Q

treatment of septic arthritis with N. gonorrhoea

A

IV cefotaxime 4-6 weeks

45
Q

Treatment of C. diff.

A

Oral metronidazole 14 days

46
Q

Gold standard for detection of C. diff

A

Detection of C. diff toxin in stool sample

47
Q

Indications for oral vancomycin use in C. diff

A

3rd or subsequent episodes, severe infection, infection not responding to metronidazole, patients who can’t tolerate metronidazole

48
Q

Sudden decline in cognitive function + myoclonic jerks + negative Ix

A

Sporadic Creutzfeldt-Jakob disease

49
Q

Aim of LP in CJD

A

Analyse CSF for 14-3-3- protein

50
Q

Definition of SBP

A

Form of peritonitis in the absence of a contiguous source of infection

51
Q

Most common organisms in SBP

A

E. coli, Gram-positive cocci and enterococci

52
Q

Antibiotic of choice in SBP

A

Cefotaxime IV

53
Q

Most important facotr influencing chance of clearing Hep C

A

virus genotype

54
Q

Best diagnostic test for Hep C

A

Hep C RNA PCR

55
Q

Location & features of Trypanosoma brucei gambiense

A

West and Central Africa, >95% of cases, chronic infection - g for gradual infection

56
Q

Location & features of Trypanosoma brucei rhodiense

A

South and East Africa, <5% of cases, R for rapid infection

57
Q

Chagas disease

A

Trypanosoma cruzi transmitted by reduviid bugs

58
Q

Romana’s sign

A

Purplish swelling of eyelids

59
Q

Long history of undulating fevers + arthralgia + myalgia + weight loss + fatigue + lymphadenopathy + sacroiliitis + depression + Hx of being on a farm

A

Brucellosis

60
Q

Current guidelines in Uk for treatment of pulmonary TB

A

Isoniazid and rifampicin for 6 months + pyrazinamide + ethambutol for first 2 months

61
Q

Brown granular colonies on Lowenstein-Jensen medium

A

Mycobacterium tuberculosis

62
Q

Two anti-tuberculous drugs to avoid in patients with renal impairment

A

Streptomycin + Ethambutol

63
Q

Acute inflammatory demyelinating polyradiculopathy

A

Gullain-Barre

64
Q

Most common trigger of Guillain-Barre-syndrome

A

Campylobacter jejuni

65
Q

Fever in 3-4 day intervals

A

Plasmodium malariae

66
Q

Malaria form that infects erythrocytes

A

Merozoite

67
Q

Uncomplicated falciparum malaria treatment

A

Admit + oral quinine and doxycycline

68
Q

Maurer’s cleft under microscope

A

Disc-like granulations at edge of cell using EM in Plasmodium falciparum infection

69
Q

Most common cause of acute infective endocarditis

A

Staphylococcus aureus