Osmotic Demyelination Syndrome as the Initial Manifestation of a Hyperosmolar Hyperglycemic State

Table 1

Laboratory measures during hospitalization.

Day	1	2	3	4	5	6	7	Normal range
Glucose	838	510	210	90	256	226	152	70–100 mg/dL
Sodium	133	138	136	138	132	132	134	135–145 mmol/L
Potassium	4.9	3.7	3.7	3.8	4.3	3.9	4.6	3.5–5 mmol/L
Chlorine	89	103	106	107	106	108	109	101–111 mmol/L
BUN	21	28	33	23	22	23	24	7–20 mg/dL
Creatinine	1.1	1.1	1.6	1.2	1.4	1.3	1.4	0.6–1.4 mg/dL
Osmolality	320	314	295	289	286	285	285	275–290 mOsm/kg
Anion gap	21	20	15	10	12	12	13	8–122 mEq/L

BUN denotes blood nitrogen urea.