title: "Atrial systolic notch" and "early diastolic notch" on the interventricular septal echogram in constrictive pericarditis.
mesh_terms: D004452:Echocardiography; D006346:Heart Septum / Q000503:physiopathology; D006801:Humans; D010494:Pericarditis, Constrictive / Q000175:diagnosis*