Cutaneous Anthrax Flashcards

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1
Q

cutaneous anthrax

q tain yis

cut ane ous

A

An uncommon cutaneous (skin) infection due to a bacterium (Bacillus anthracis) that is found in the environment and typically causes illlness in animals

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2
Q

Signs and Symptoms

A

1-within few days after skin exposure to endospores, small red bump (papule) at infection site
2-over few days bump develops vesicles or blisters
3- eventually forms painless ulcer surrounded by swelling

blis tir =بثور /pap yil

bli ster / papule

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3
Q

black eschar

s char=ندبه or scar

es char

A

(a) dead tissue resembling flat scab
(b) covers center of area
(c) can persist several weeks

s kap=قشرة الجرح

scap

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4
Q

Causative Agent

A

Bacillus anthracis

bis ill s anth ra cis

bac ill us anth ra cis

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5
Q

characteristic

A

-less likely than other types of anthrax to become systemic
-usually mild
-90% human anthrax cases

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6
Q

exotoxin

A

produced by vegetative bacteria
cause cell death & tissue damage

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7
Q

pathogenosis

A

1-capsule: protects against phagocytosis
2- exotoxin

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8
Q

Prevention

A

vaccine for at risk group

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9
Q

Treatment

A

antibiotics

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10
Q

transmission

A

-usually occurs in people who work with animals or animal products
-No person to person transmission

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11
Q
A
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