Thoracic dystrophy.

enlargement. The limbs were radiologically normal, with no evidence of achondroplasia, and the pelvis showed no abnormality. Other investigations included Hb 11-6 g./100 ml.; WBC 21,000/cu. mm. (neutrophils 42%; lymphocytes 56%; monocytes 2%); urea 43 mg./ 100 ml.; sodium 134 mEq/l.; chloride 95 mEq/l.; pH 7-18; Pco. 105 mm. Hg; standard HCO3 27 5 mEq/l.; base excess + 4 mEq/l. ECG was within normal limits. 11