Unit 1- Erysipelothrix Flashcards

1
Q

Erysipelothrix rhusiopathiae

A

Gram positive long rod, facultative anaerobe, catalase negative, oxidase negative, non motile, non-spore forming

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2
Q

Clinical Serotypes

A

1a, 1b, 2

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3
Q

Culture Media

A

Blood agar, heart infusion and crystal violet, nutrient broth, triple sugar iron

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4
Q

Triple Iron Sugar Agar

A

Produces H2S causing fart smell

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5
Q

Habitat

A

Tonsils, lymphoid tissue in GI, sewage

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6
Q

Common host

A

Pig, turkey, human

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7
Q

Human infection

A

Causes hard purple finger swelling

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8
Q

Entry Routes

A

Oral

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9
Q

Exit Routes

A

Fecal

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10
Q

Surface Structure

A

Capsule, surface proteins for biofilm formation

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11
Q

Enzymes

A

Neuraminidase, hyaluronidase, and superoxide dismutase

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12
Q

Neuraminidase

A

For attachment, invasion, and destruction of blood vessels causing hemorrhage, thrombosis, and emboli

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13
Q

Diamond Skin Disease

A

Causes rhomboid urticarial skin lesion sin pig

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14
Q

Turkey erysipelas

A

Causes swollen snood

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15
Q

Cardiovascular Form

A

Dark discoloration of belly and extremities due to endocarditis

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16
Q

Joint Form

A

Causes arthritis

17
Q

Uterine form

A

May cause abortion due to fever and can pass placental layers

18
Q

Lacy Skin Disease

A

NO PUS compared to Staph hyicus or Strep suis

19
Q

Treatment

A

Beta lactimases