Rickettsia rickettsii Flashcards

1
Q

what will Rickettsia rickettsii cause?

A

Rocky Mountain Spotted Fever

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2
Q

it is the most common what?

A

Most common rickettsial disease in US

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3
Q

in what part of the US is it most common?

A

East Coast

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4
Q

transmission?

A

Ticks*

  • dog tick
  • wood tick
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5
Q

Pathogenesis?

A

invade and replicates in endothelial cells causing-> damages cells -> Hemorrhage–> rash

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6
Q

what is seen with Rocky Mountain Spotted Fever (RMSF)?

A

Macular rash develops after 3-6 days→ petechial rash* *

Palms and soles involved * *

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7
Q

what are the Three classic diagnostic features of RMSF *?

A

rash, fever and history of tick bite

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8
Q
A
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