Ch. 38 - Less Common G-b Flashcards Preview

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Flashcards in Ch. 38 - Less Common G-b Deck (6)
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0
Q

Cardiobacterium hominis

Characteristics
Disease
Diagnosis

A
Small, pleomorphic non-motile G-b 
Facultative 
Fastidious
Rosette arrangements on GS
OXI +
CAT -
Fermentative

Upper resp
Low virulence
Heart damage in pre existing heart/oral disease, recent dental work

Microscopy or biochemical testing
Pen or ampicillin; resistant to erythromycin

1
Q

Bartonella

A

Short G-b

Aerobic

Fastidious

Animal reservoirs (direct or insect)

2
Q

Capnocytophaga

Characteristics
Disease
Diagnosis

A

Filamentous disinformation G-b
A or Ana, CO2
Some strains - oropharynx (periodontitis, septicemia, rarely endocarditis)

Other strains - oral cavities cats and dogs (bite wounds)

Beta lactamase production (treat with augmentin)

3
Q

Streptobacillus moniliformis

Characteristics
Vectors
Disease

A

Long thin G-b (pleomorphic with age)
Poor GS

Rodent bites, rarely contaminated food/water

Fever, chills, joint pain, rash (hands and feet)

Pen or tetracycline

4
Q

Bartonella henselae

A

Oropharynx of cats and fleas
Cat-scratch disease

Benign infection (children) regional adenopathy

^ IgM and clinical presentation

5
Q

Bartonella quintana

A

Contaminated feces of human body louse (homeless, poor hygiene)

5 day fever / trench fever
Headache, fever, weakness, pain in long bones

HIV pts have bacteremia and recurrent fever