Colorado tick fever physical examination

Colorado tick fever Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ilan Dock, B.S.

Overview

Early onset signs include fever, lethargy, and overall weakness. As the infection progresses, further clinical manifestations will present themselves in the form of tachycardia, changes in blood pressure, sensitivity of the eye and skin, and the appearance of a rash. Signs may appear to be similar to other diseases within the umbrella of tick-borne fevers however a biphasic fever is a characteristic sign of a Colorado tick fever infection.

Physical Examination

Vitals

• Biphasic fever (Saddleback fever)
• Tachycardia
• Changes in Blood pressure

Skin

• Rash
• Highly sensitive skin, painful

Neck

• Swollen lymph nodes

Eyes

• Heightened sensitivity
• Pain behind the eyes