A four-chamber apical view echocardiogram showing biatrial dilatation, valve thickening, thick ventricular walls (left ventricular wall is 15 mm and interventricular septum is 19 mm), and interventricular septum with speckled appearance, which suggests amyloid infiltrate.Abbreviations: RV, right ventricle; LV, left ventricle; RA, right atrium; LA, left atrium.