Table 3.2 Clinical syndromes and causative agents Flashcards

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1
Q

Bacteremia in patients with colon cancer

A

C septicum

S bovis

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2
Q

Bacterial meningitis

Neonates

Infants and young children

Young adults

Elderly

A

Neonates:

GBS, E coli, L monocytogenes

Infants and young children:
S pneumoniae, N meningitidis, H influenzae

Young adults:

S pneumoniae, N meningitidis, H influenzae

Elderly:

S pneumoniae, N meningitidis, H influenzae, L monocytogenes

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3
Q

Fungal meningitis

A

Cryptococcus

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4
Q

Aseptic meningitis

A

Enteroviruses (Coxsackie, echovirus, enterovirus)

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5
Q

Viral encephalitis

A

Arboviruses:

Eastern and western equine

flaviviridae (WNV, St Louis)

HSV-1

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6
Q

Impetigo

A

S aureus

S pyogenes

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7
Q

Furunculosis (infection of skin adnexa, boils)

Carbunculosis (draining sinuses from confluent skin adnexa)

A

S aureus

S pyogenes

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8
Q

Skin infection associated with whirl pools

A

P aeruginosa

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9
Q

Dog bite infection

A

Capnocytophaga canimorsus

Pasteurella multocida

Staphylococcus intermedius

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10
Q

Mycobaterial skin infection

A

M fortuitum

M chelonae

M marinum

M haemophilum

M ulcerans

M leprae

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11
Q

Toxic shock syndrome

A

S aureus

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12
Q

Scalded skin syndrome (Lyells or Ritters syndrome)

A

S aureus

S pyogenes

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13
Q

Erythrasma

A

Corynebacterium minutissimum (intertriginous red rash)

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14
Q

Pseudomembranous colitis

A

C difficile

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15
Q

Botryomycosis

A

S aureus

P aeruginosa

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16
Q

Juvenile periodontitis

A

Aggregatibacter actinomycetemcomitans

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17
Q

Ulceroglandular fever

A

Francisella tularensis

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18
Q

Glanders

A

Burkholderia mallei

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19
Q

Melioidosis

A

Burkholderia pseudomallei

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20
Q

Rocky mountain spotted fever

A

Rickettsia rickettsii

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21
Q

Visceral larva migrans

A

Toxocara canis/cati

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22
Q

Cutaneous larva migrans

A

Ancylostoma braziliense

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23
Q

Bacterial cellulitis

  • most common overall and cause of erysipelas
  • Erysipeloid
  • Animal bite associated
  • Fresh water associated
  • Salt water associated
A

Most common: S pyogenes (GAS)

Erysipeloid: Erysipelothrix rhusiopathiae

Animal bite: Pasteurella multocida

Fresh water: Aeromonas hydrophila

Salt water: Vibrio vulnificus

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24
Q

Bacterial pharyngitis

A

S pyogenes

C diphtheriae

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25
Q

Whooping cough

A

Bordetella pertussis

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26
Q

Acute epiglottitis

A

H influenzae type B

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27
Q

Chancroid

A

Haemophilus ducreyi (painful)

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28
Q

Lymphogranuloma venereum

A

C trachomatis (painful lymph nodes)

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29
Q

Bacterial arthritis

  • children and adults, monoarticular
  • IV drug abusers
  • young adults, polyarticular
A

Children and adults, monoarticular:

S aureus, streptococcus

IV drug abusers:

Pseudomonas

Young adults, polyarticular:

N gonorrhoeae

30
Q

Bacterial pneumonia

  • community
  • chronic alcoholic
  • CF
  • Atypical/walking
  • Nosocomial
A
  • community
  • S pneumoniae, L pneumonia, H influenzae, S aureus, M pneumoniae
  • chronic alcoholic: K pneuomoniae
  • CF: P aeruginosa
  • Atypical/walking: mycoplasma pneumonia, chlamydia pneumoniae
  • Nosocomial: E coli, P aeruginosa, S aureus, L pneumoniae
31
Q

Viral pneumonia

  • infants/children
  • adults
A

Infants/children:

RSV

Adults:

Influenza A (orthomyxovirus)

32
Q

Croup (acute laryngotracheobronchitis)

A

Parainfluenza virus serotypes 1-3

33
Q

Otitis media

A

S pneumoniae, H influenzae, M cattarrhalis

34
Q

Bacterial peritonitis

  1. spontaneous (cirrhosis with ascites)
  2. secondary (ruptured bowel)
A
  1. S pneumoniae
  2. Mixed: E coli, enterococci, B fragilis, other anaerobes
35
Q

Gastroenteritis

  1. with short incubation (1-8 hours)
  2. Fried rice
  3. Traveler’s diarrhea
  4. Hamburgers in fast food restaurants
  5. Antibiotic associated colitis
  6. Viral
  7. Causing bloody diarrhea
  8. Diarrhea with systemic disease
A
  1. S aureus, B cereus
  2. B cereus
  3. E coli (ETEC)
  4. E coli (EHEC)
  5. C difficile
  6. Rotavirus, norwalk virus, enteric adenovirus
  7. Salmonella enteriditis, shigella, campylobacter jejuni, EHEC, EIEC, K oxytoca, entamoeba histolytica, balantidium coli, CMV
  8. salmonella typhi, other salmonella, yersinia enterocolitica, campylobacter
36
Q

Osteomyelitis

A

S aureus

37
Q

Necrotizing fasciitis

A

usually polymicrobial

S pyogenes, anaerobes (bacteroides)

38
Q

undulant fever

  1. pig
  2. goat
  3. dog
A
  1. brucella suis
  2. brucella melitensis
  3. brucella canis
39
Q

Rabbit fever or deerfly fever (tularemia)

A

Francisella tularensis

40
Q

Plague

A

yersinia pestis

41
Q

carrion disease or verruga peruana (bartonellosis)

A

bartonella bacilliformis

42
Q

uterine infection following septic abortion

A

clostridium perfringens

43
Q

leprosy (hansen disease)

A

M leprae

44
Q

rat bite fever

A

streptobacillus moniliformis

45
Q

San Joaquin Valley fever

A

Coccidioides immitis

46
Q

Superficial (noninvasive) mycoses

A
  1. dermatophytes - epidermophyton, microsporon, trichophyton
  2. black piedra - piedraia hortae
  3. white piedra - trichosporon beigelii and other trichosporon species
  4. tinea versicolor - malassezia furfur
  5. tinea nigra palmaris/plantaris - hortaea werneckii
47
Q

Cutaneous and subcutaneous mycoses

A
  1. chromoblastomycosis - phialophora verrucosa, fonsecaea pedrosoi
  2. lobomycosis - lacazia loboi
  3. phaeohyphomycosis - exophiala jeanselmei, phialophora verrucosa, wangiella dermatitidis, alternaria speciea
  4. sporotrichosis - sporothrix schenkii
  5. eumycotic mycetoma - exophiala jeanselmei, madurella, pseidallescheria boydii
  6. rhinosporidiosis - rhinosporidium seeberi
48
Q

Rhinoscleroma

A

klebsiella rhinoscleromatis

49
Q

actinomycotic mycetoma

A

Madura foot

actinomyces, nocardia, streptomyces

50
Q

measles

A

rubeola

51
Q

Erysipelas

A

S pyogenes

52
Q

German measles

A

rubella

53
Q

chicken pox

A

varicella zoster

54
Q

labial herpes

A

HSV-1

55
Q

genital herpes

A

HSV -2

56
Q

roseola infantum (exanthem subitum)

A

HHV-6

57
Q

fifth disease (erythema infectiosum, slapped cheek)

A

Parvovirus B19

58
Q

Chagas

A

Trypanosoma cruzi

59
Q

African sleeping sickness

A

Trypanosoma brucei

60
Q

Adiaspiromycosis

A

Emmonsia parvum (formerly chrysosporium parvum)

  • resembles Coccidioides
  • lung infection (granulomas)
61
Q

Fungal external otitis

A

Aspergillus niger

62
Q

Subacute sclerosing panencephalitis

A

measles reactivated

63
Q

hand foot mouth disease

A

coxsackie A

64
Q

viral myocarditis

A

coxsackie B

65
Q

PML

A

JC

66
Q

scarlet fever

A

GAS

67
Q

acute mastitis

A

S aureus

68
Q

q fever

A

coxiella burnetii

69
Q

primary amebic meningoencephalitis

A

naegleria fowleri

70
Q

ganulomatous amebic encephalitis

A

acanthamoeba and balamuthia mandrillaris

71
Q

postsplenectomy sepsis

A

S pneumoniae