Page of

Fever 

Chapter:
Fever
Source:
Acute Care Casebook
Author(s):

Rittik Chaudhuri

DOI:
10.1093/med/9780190865412.003.0008

The workup of fever is highly dependent on history and physical examination, especially in the setting or recent travel or insect bite. In the case of a definite tick bite, consider Lyme disease, erlichiosis, Spotty Rocky Mountain Fever, and anaplasmosis in the differential diagnosis. This chapter examines a case study of a man who presents to the emergency department with intermittent fever 2 weeks after returning from a hike in the woods. He found an embedded tick on his neck 3 days after returning from the hike. The author discusses patient history, physical exam and testing, and differential diagnoses. A thin smear was positive for Babesia parasitemia, which was confirmed by Babesia polymerase chain reaction.

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