title: Electrical alternans of giant U waves with multiple electrolyte deficits.
mesh_terms: D000293:Adolescent; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications; D014883:Water-Electrolyte Imbalance / Q000150:complications / Q000503:physiopathology*