From:  Enhancing patient care: a multimodality strategy for dilated cardiomyopathy in Chagas disease

Four-chamber view transthoracic echocardiography. (A) Global hypokinesia associated with a suggestive image of an interatrial aneurysm (red circle). (B) Color-Doppler echocardiography evidencing four-chamber dilation with severe tricuspid valve insufficiency (red arrow)