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What is Protozoa associated with Megaesophagus, Megacolon, Romanas sign, chagoma: and explain in detail?
Ans. is 'a' i.e., Trypanosoma(Ref: Chatterjee, 12th/e, p. 52)* Megaesophagus and Megacolon occur as complications of Chronic Chagas disease.* T. cruzi causes Chagas disease (Romana sign, chagoma) also seen.* ECG changes like sinus tachycardia, increased PR interval, T wave changes and low QRS voltage, Myocarditis occurs.