Clinical Manifestation -- Signs Acute pericarditis C-Constr-Peric Friction rub ++++ transient Enlargement on ++ percussion Edema. ascites + ++++ Pulsus paradoxus +++ (10mmHg Jugular vein +++ + distensionAcute pericarditis C-Constr-Peric Friction rub + + + + transient － Enlargement on percussion －----+ + + － Edema, ascites －--- + + －--- + + + + Pulsus paradoxus (>10mmHg) －--- + + + －--- + Jugular vein distension －--- + + + －--- + + Clinical Manifestation --- Signs