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Flashcards in HACEK Deck (33):
1

Bartonellosis

Oroya fever, Carrion's disease

Acute febrile
severe anemia
Chronic cutaneous form

2

End of severe anemia- stage in Bartonellosis ends with

development of humoral immunity

3

Chronic stage (bartonellosis)

Verruga peruana

Angioproliferative

4

Trench fever

5 days

B. quintana

homeless/poor sanitation/AIDS ptn

5

Warthin Starry stain of lymph node - chains and clusters

B. henselae

6

most common clinical human infection with Bartonella

Cat scratch disease (henselae)

7

clinical sx of CSD

papule/pustule (3-10 days)

Regional ipsilateral lymph node enlargement (1-7 wks later)

Chronic regional adenopathy of LN draining site - typical presentation

8

atypical CSD

Parinaud’s oculoglandular syndrome - Granulomatous conjunctivitis with lymphadenitis

Granulomatous hepatitis
Pneumonitis
Neurologic involvement
Encephalopathy, neuroretinitis
FUO

9

Culture negative endocarditis

B quinta and hensalae

10

Bacillary Angiomatosis

vascular proliferative form of infection due to Bartonella organisms (quintana and henselae)

organ transplant or who are immuno-competant
HIV ptn

11

Bacillary angiomatosis affects

mucosal areas, bone, abdominal/GI

12

hyperpigmented hyperkeratotic plaques, often overlying osseous defects

Bacillary Angiomatosis

13

best way to diagnose B. hensalae, quintana

Serologic testing
- IgG, IgM

14

Bartonella

tx

Choramphenicol

15

typical CSD

tx

Azithromycin

16

Bacillary angiomatosis

tx

Erythro/Azithro
Doxy

17

HACEK organism

endocarditis

18

H. flu and A. ... grows on

blood and chocolate agar

POORLY on MacConkey's

19

H. flu and A. ...

tx

3rd gen Cephalosporins

20

found in respiratory tract of healthy humans

Cardiobacterium hominis

21

enters blood through oropharyngx

C. hominis

Predisposing factors: heart disease, dental procedures/oral disease

22

C. hominis

tx

PCN
Ceftriaxone daily iv or [Ampicillin with Genta 4 wks]

23

Eats away (“corrodes”) the agar of a Petri dish

Eikenella corrodens

24

Associated with human bite wounds
Fist-fight injury

Eikenella corrodens

25

Associated with “sterile”/aseptic arthritis in children (it is really septic)

Kingella kingae

26

Abscesses in brain, oropharynx, peritoneal cavity

Viridans Streptococcus

Angiosus

27

Subacute bacterial endocariditis, neutropenic sepsis, pneumonia, meningitis

Viridans Streptococcus

Mitis

28

Dental caries, endocarditis

Viridans Streptococcus

Mutans

29

Bacteremia, endocarditis

Viridans Streptococcus

30

Colon cancer (gallolyticus); meningitis (pasteurianus)

Viridans Streptococcus

Bovis

31

Meningitis, bacteremia, streptococcal toxic shock syndrome

Viridans Streptococcus

S. suis

32

Endocarditis, pancreatic abscess, otitis media, postpartum and postabortal sepsis

Viridans Streptococcus

Abiotrophia species

33

Viridans Streptococcus

tx

PCN then add Aminoglycoside as needed based on MIC