title: Phasic left ventricular blood velocity during cardiac pacing--; studies in man.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001783:Blood Flow Velocity; D006328:Cardiac Catheterization; D002932:Cineangiography; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006352:Heart Ventricles / Q000098:blood supply*; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D012212:Rheology; D014463:Ultrasonography