The effect of atrial contraction on left ventricular performance in valvular aortic stenosis.
D000293:Adolescent; D000328:Adult; D001024:Aortic Valve Stenosis / Q000503:physiopathology*; D002302:Cardiac Output / Q000502:physiology*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial