title: Noninvasive assessment of right ventricular systolic pressure in atrial septal defect.
mesh_terms: D004452:Echocardiography; D006321:Heart / Q000503:physiopathology*; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology