title: Action of propranolol on left ventriclar contraction in aortic stenosis when a fall in heart rate is prevented by atropine.
mesh_terms: D000328:Adult; D001024:Aortic Valve Stenosis / Q000188:drug therapy*; D001285:Atropine / Q000627:therapeutic use*; D001919:Bradycardia / Q000517:prevention & control*; D006328:Cardiac Catheterization; D002302:Cardiac Output / Q000187:drug effects; D005260:Female; D006352:Heart Ventricles / Q000187:drug effects; D006801:Humans; D007201:Indicator Dilution Techniques; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction / Q000187:drug effects; D011433:Propranolol / Q000627:therapeutic use*
chemical_list: D001285:Atropine; D011433:Propranolol