title: Aortic blood flow velocity during Wenckebach periods in man.
mesh_terms: D000293:Adolescent; D000328:Adult; D001011:Aorta / Q000503:physiopathology*; D001783:Blood Flow Velocity; D006328:Cardiac Catheterization; D002302:Cardiac Output; D002932:Cineangiography; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D012039:Regional Blood Flow; D014465:Ultrasonics