title: Production of increased right-to-left shunting by rapid heart rates in patients with tetralogy of Fallot.
mesh_terms: D001285:Atropine; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002306:Cardiac Volume; D002675:Child, Preschool; D003490:Cyanosis / Q000209:etiology*; D004077:Digoxin / Q000627:therapeutic use; D005260:Female; D006339:Heart Rate; D006801:Humans; D007223:Infant; D010100:Oxygen / Q000097:blood; D010138:Pacemaker, Artificial; D011433:Propranolol / Q000627:therapeutic use; D011652:Pulmonary Circulation; D012119:Respiration; D013614:Tachycardia, Paroxysmal / Q000150:complications*; D013771:Tetralogy of Fallot / Q000150:complications* / Q000188:drug therapy / Q000503:physiopathology
chemical_list: D004077:Digoxin; D001285:Atropine; D011433:Propranolol; D010100:Oxygen