A 47-year-old female grew up in an impoverished farming community in Argentina. She moved to the
United States when she was 16 years of age.
Three years ago, she developed progressive dyspnea on exertion. A cardiac workup revealed a markedly
enlarged heart, ejection fraction of 25%, and no obstruction of the coronary arteries by angiography.
The most likely pathogen causing her cardiac disease, assuming it is due to an infection acquired in
Argentina, is:
A. Leishmania donovani
B. Taenia solium
C. Trypanosoma cruzi
D. Toxoplasma gondii
E. Trichinella spiralis
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