title: Non-invasive technique for diagnosing atrial septal defect and assessing shunt volume using directional Doppler ultrasound. Correlations with phasic flow velocity patterns of the shunt.
mesh_terms: D000293:Adolescent; D000328:Adult; D001783:Blood Flow Velocity; D006328:Cardiac Catheterization; D002648:Child; D004395:Dye Dilution Technique; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D006948:Hyperkinesis; D007601:Jugular Veins / Q000503:physiopathology; D008297:Male; D008722:Methods; D008875:Middle Aged; D010701:Phonocardiography; D012039:Regional Blood Flow; D012119:Respiration; D014463:Ultrasonography