title: Left ventricular functional reserve in adult patients with atrial septal defect: pre- and postoperative studies.
mesh_terms: D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization; D004452:Echocardiography; D005080:Exercise Test; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D011300:Preoperative Care; D011877:Radionuclide Imaging; D012146:Rest