title: The second heart sound in atrial septal defect.
mesh_terms: D000293:Adolescent; D000328:Adult; D000792:Angiography; D001021:Aortic Valve / Q000502:physiology; D001783:Blood Flow Velocity; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002648:Child; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000601:surgery; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D010701:Phonocardiography; D011664:Pulmonary Valve / Q000502:physiology; D012119:Respiration; D013997:Time Factors; D016276:Ventricular Function
chemical_list: D010100:Oxygen