title: CONGENITAL CARDIAC ARRHYTHMIA.
mesh_terms: D000643:Ammonium Chloride; D001145:Arrhythmias, Cardiac; D053840:Brugada Syndrome; D000075224:Cardiac Conduction System Disease; D002648:Child; D004562:Electrocardiography; D005080:Exercise Test; D006329:Heart Conduction System; D006330:Heart Defects, Congenital; D006801:Humans; D007008:Hypokalemia; D007223:Infant; D005082:Physical Exertion; D011188:Potassium; D013575:Syncope
chemical_list: D000643:Ammonium Chloride; D011188:Potassium
keywords: AMMONIUM CHLORIDE; ARRHYTHMIA; CHILD; ELECTROCARDIOGRAPHY; EXERCISE TEST; EXERTION; HEART DEFECTS, CONGENITAL; HYPOKALEMIA; INFANT; POTASSIUM; SYNCOPE