American Trypanosomiasis (chagas Dz) - Parasite T Cruzi

Etiology

  • Incubation 1-2w
  • Central and South America, via reduviid bug bite

Symptoms

  • Most have no acute sx
  • If acute sx present, can include→ f, c, sweats, malaise, ha, n, v, d x weeks
  • Chronic sx in 20-30%, including: lower esophageal dysmotility
  • Cardiomyopathy→ CHF, dysrhythmia

Physical Exam Findings

  • Eyelid edema
  • Rare acute findings: skin nodule at bite