American trypanosomiasis. Definition

Medical Definition: American trypanosomiasis

Pathological process caused by Trypanosoma cruzi and transmitted by blood-sucking insects (bugs of the family Reduviidae) widespread throughout rural areas of Central and South America. The acute form presents with a lesion at the site of the bite, face or other open area, is accompanied by fever with splenomegaly and lymphadenopathy. The chronic phase (which may appear 10 or 20 years later) is characterized by alterations in the nerve plexus and is manifested by cardiac involvement (chronic Chagas' disease) and the emergence of forms called \