Gary Berner

PGY2 – MP UAMS

July 8th ACD

E. chaffeensis

E. chaffeensis

Lone Star TickAmerican Dog tickDeer tick

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Tick

Tick

Tick

Rickettsia rickettsiaunicellular, Gram-negative can infect any cell in the body

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ErlichiosisPresenting symptoms

HA, fatigue, myalgia, N/VRashBoards- Hx + Fever, HA, and rash

ErlichiosisPresenting symptoms

HA, fatigue, myalgiarash

ErlichiosisPresenting symptoms

HA, fatigue, myalgia, N/VRash- small pink peripheral macules 2-5 days after

feverDiarrhea & joint pain (late stage)

DxHistory, history, historyDecreased WBC and Platelets, elevated Liver

enzymes, hyponatremia (late sign)PCR for E. chaffeensis- Can call ACH to find resultIndirect fluorescent Ab

Tx- Doxycycline, Doxycycline, DoxycyclineChloramphenicolRifampin if severe allergy or other CI

5 case reports of Erlichia being the prodrome to HLHCase #1 and #5 from ACH

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