title: Usefulness of Valsalva manoeuvre and cold pressor test for evaluation of arrhythmias in long QT syndrome.
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000188:drug therapy / Q000503:physiopathology; D003080:Cold Temperature; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D011433:Propranolol / Q000627:therapeutic use; D014636:Valsalva Maneuver
chemical_list: D011433:Propranolol