A 12 year old boy is brought to the clinic in July because of fever, severe headache, and myalgias after a camping trip in North Carolina. On examination he has a blanching rash on the wrists and ankles that has spread centrally to involve the palms and soles. Which of the following is the most likely causative organism?

  1. A)Treponema pallidum
  2. B)Coxiella burnetii
  3. C)Borrelia burgdorferi
  4. D)Ehrlichia chaffeensis
  5. E)Rickettsia rickettsiiGABARITO

Explicação

Rickettsia rickettsii is correct. Rocky Mountain spotted fever presents with fever, headache, and a rash that begins on the wrists and ankles and spreads centrally, classically involving the palms and soles. The organism infects endothelial cells and causes va... Ver explicação completa e trilha adaptativa →

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