title: Transcutaneous observations of the internal jugular venous flow in atrial septal defect by ultrasonic Doppler flowmeter.
mesh_terms: D000293:Adolescent; D000328:Adult; D001783:Blood Flow Velocity; D002648:Child; D004301:Doppler Effect; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology*; D006801:Humans; D007601:Jugular Veins / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D012212:Rheology / Q000379:methods*; D012867:Skin; D014463:Ultrasonography