SKETCHY MICRO > GRAM (-) ZOONOTICS > Flashcards

GRAM (-) ZOONOTICS Flashcards

(23 cards)

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1
Q

Bartonella henselae

Gram

A

Negative

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2
Q

Bartonella henselae

What do you use to visualize it?

A

Wartharin starry silver stain

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3
Q

Bartonella henselae

Disease

A

Cat scratch fever
Bacillary angiomatosis

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4
Q

Bartonella henselae

Cat scratch fever

A

Regional lymph nodes in axilla in immunocompetent

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5
Q

Bartonella henselae

Bacillary angiomatosis

A

Raised vacular lesions
Immunocompromised

Larges highly vascular lesion

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6
Q

Bartonella henselae

Differential diagnosis

A

Kaposi’s sarcoma

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7
Q

Bartonella henselae

Treatment

A

Doxycycline
Azithromycin

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8
Q

Brucella

Characteristic

Gram, O2, shape, urease, H2S

A

Gram (-)
Aerobic
Cocobacillus
Urease (+)
H2S (+)
Facultative intracellular

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9
Q

Brucella

Reservoir

A

Farm animals

Cows, pigs, goats

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10
Q

Brucella

Transmission

A

Indirect contact with milk or cheese (unpasteurized)

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11
Q

Brucella

Where does it survives?

A

Survives in macrophages in the reticuloendothelial system

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12
Q

Brucella

Clinical presentation

A

Undulant fever
Night sweats
Enlargement of spleen, liver and lymph nodes
Osteomyelitis

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13
Q

Brucella

Treatment

A

Doxycycline + rifampin or streptomycin

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14
Q

Francisella telarensis

Characteristics

Gram, shape

A

Gram (-)
Cocobacilli
Facultative intracellular

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15
Q

Francisella telarensis

Vector

A

Dermacenter tick

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16
Q

Francisella telarensis

Clinical presentation

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A

Painful ulcer
Regional lymphadenopathy

Enters through ulcer and into macrophages in the lymph system to reticuloendothelial organs and causes caseation necrosis

17
Q

Francisella telarensis

Treatment

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A

Streptomycin
Aminoglycoside

18
Q

Pastuerella multocidida

Characteristics

Gram, catalase, oxidase, appareance

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A

Gram (-)
Catalase (+)
Oxidase (+)
Bipolar/safety

19
Q

Pastuerella multocidida

Transmission

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A

Cats and dogs bites

20
Q

Pastuerella multocidida

Disease

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A

Cellulitis (24 hours)
Necrotizing fasciitis or osteromyelitis

21
Q

Pastuerella multocidida

Main virulence factor

22
Q

Pastuerella multocidida

Grows in

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A

5% sheep’s blood agar

23
Q

Pastuerella multocidida

Treatment

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A

Penicilin
Amoxicilin + clavulanic acid

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