Hypocalcemia and cardiac arrhythmias.
D001145:Arrhythmias, Cardiac / Q000188:drug therapy / Q000209:etiology*; D002118:Calcium / Q000627:therapeutic use; D002648:Child; D004562:Electrocardiography; D004872:Ergocalciferols / Q000627:therapeutic use; D006801:Humans; D006996:Hypocalcemia / Q000150:complications* / Q000188:drug therapy; D008297:Male; D014808:Vitamin D Deficiency / Q000150:complications
D004872:Ergocalciferols; D002118:Calcium