Vector (bug) borne illness

Question 1

A blanching, macular rash on the palms and soles and petechiae on the wrist/forearms and ankles in the context of acute onset fever, headache, myalgias, conjunctival injection and a recent backpacking trip. Diagnosis?

Answer 1

Rocky Mountain spotted fever (RMSF)

Dermacentor Tick-borne disease s/t bacterium Rickettsia rickettsii

Question 2

Rocky Mountain spotted fever (RMSF) rash develops 2–5 days after the fever on the ___ & ___ and spreads to the ___, ___, & ___.
It starts as blanching, but can become petechial and/or hemorrhagic in 50% of cases.

Answer 2

wrists and ankles
trunk, palms, and soles.

Question 3

Additional clinical manifestations of Rocky Mountain spotted fever (RMSF) include:
nausea,
hepatosplenomegaly,
and _____

Answer 3

noncardiogenic pulmonary edema

Question 4

The treatment of choice for Rocky Mountain spotted fever (RMSF) is

Answer 4

doxycycline