A new electrocardiographic sign in infants and children with hypothyroidism and its differentiation from similar electrocardiographic patterns.
D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis*; D007223:Infant; D008297:Male