title: Hyperkalemia-electrocardiographic abnormalities.
mesh_terms: D000293:Adolescent; D002037:Bundle-Branch Block / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology* / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D006947:Hyperkalemia / Q000150:complications* / Q000175:diagnosis; D007223:Infant; D007231:Infant, Newborn; D008564:Membrane Potentials