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