Case 1: Echocardiogram revealed cardiac tamponade. Echocardiography from subxiphoid view showed mild to moderate (8-14 mm) pericardial effusion with RV collapse (white arrow), pericardial clot at RV free wall (asterisk, *).Abbreviations: LA, left atrium; LV, left ventricle; PE, pericardial effusion; RA, right atrium; RV, right ventricle.