Rickettsia rickettsii Flashcards
1
Q
what will Rickettsia rickettsii cause?
A
Rocky Mountain Spotted Fever
2
Q
it is the most common what?
A
Most common rickettsial disease in US
3
Q
in what part of the US is it most common?
A
East Coast
4
Q
transmission?
A
Ticks*
- dog tick
- wood tick
5
Q
Pathogenesis?
A
invade and replicates in endothelial cells causing-> damages cells -> Hemorrhage–> rash
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 * *
7
Q
what are the Three classic diagnostic features of RMSF *?
A
rash, fever and history of tick bite
8
Q
A