Electrocardiograms (ECGs) in a 41 year old man with acute Chagas disease.
(A) ECG obtained upon admission: atrial fibrillation and altered ventricular repolarization can be observed.
(B) ECG obtained at the 4th month of follow-up post treatment: atrial flutter and altered ventricular repolarization can be observed.
(C) ECG obtained at the 9th month of follow-up: sinus rhythm and normal ventricular repolarization can be observed.