Thiamine deficiency presenting as opisthotonus.
D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009230:Myxedema / Q000209:etiology; D013035:Spasm / Q000209:etiology*; D013746:Tetany / Q000209:etiology*; D013832:Thiamine Deficiency / Q000150:complications / Q000175:diagnosis*