Elevated Serum IgG4 Levels in a Young Patient with Polyserositis and Necator americanus Infection

Figure 4

Transthoracic echocardiography. Constrictive pericarditis. Pericardial thickening with fibrin deposits (14 mm), ventricular interdependence (“septal bounce”), and abnormal tissue Doppler imaging (“annulus paradoxus” and “annulus reversus”).