Hyperglycaemia & acidosis

A 39-year-old woman with a history of diabetes presented with breathlessness and difficulty in breathing. Hyperglycaemia and acidosis were detected and corrected after treatment; respiratory distress and weakness still persisted. The chest radiograph showed no active lung lesion. Brain CT revealed no significant abnormality. Echocardiographic study revealed normal LV systolic wall motion. Blood biochemistry demonstrated severe hypophosphatemia of 0.3 mg/dL (normal value: 2.5 to 4.5 mg/dL). Phosphate replacement therapy with potassium phosphate was given. The patient's clinical condition improved steadily.