Summary of Trypanosoma cruzi (Chagas disease)
Flashcards on Trypanosoma cruzi (Chagas disease)
Trypanosoma cruzi (Chagas disease)
During transmission, the Reduviid bug painlessly bites the skin, and deposits containing Trypanosoma cruzi into the skin opening.
Questions on Trypanosoma cruzi (Chagas disease)
A 24 year-old woman comes to the clinic with fever, myalgias, dyspnea, fatigue, and painless unilateral periorbital swelling. She recently returned from a mission trip to Brazil. Her temperature is 38.6°C (101.4°F), pulse is 112/min, respirations are 22/min, and blood pressure is 124/84 mm Hg. Physical examination shows a holosystolic murmur radiating to the axilla. There is a hardened, erythematous insect bite on her right leg. The left eye has periorbital edema but no discharge, and the right eye is unremarkable. Electrocardiogram shows sinus tachycardia with low voltage. Echocardiogram shows pleural effusion. Peripheral blood smear shows amastigotes of T. cruzi. Which of the following findings is most consistent with chronic infection with this parasite?