title: [Electrocardiographic changes in hyperventilation and during Valsalva's maneuver, before and after administration of propranolol].
mesh_terms: D000328:Adult; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000187:drug effects / Q000503:physiopathology*; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011433:Propranolol / Q000494:pharmacology*; D014636:Valsalva Maneuver
chemical_list: D011433:Propranolol
vernacular_title: Modificazioni elettrocardiografiche da iperventilazione e durante manovra di Valsalva, prima e dopo somministrazione di propranololo.