Extrapontine Myelinolysis following Extreme Hypernatremia and Hyperosmolarity

Table 1

Initial blood gas analysis.

Parameter	Value	Unit	Reference range
pH	7.404		7.35–7.45
pO2	70.8	mmHg	83–108
pCo2	37.5	mmHg	32–45
SO2	95.6	%	95–99
CHCO3	23.4	mmol/l	20–26
ABE	−1	mmol/l	−3–2
Sodium	187	mmol/l	136–146
Potassium	3.2	mmol/l	3.5–5.0
Calcium	1.30	mmol/l	1.15–1.29
Chloride	148	mmol/l	98–106
Glucose	82	mg/dl	70–105
Lactate	1.1	mmol/l	0.5–1.6
Hb	11.9	g/dl	12.0–16.0
Co-Hb	0.8	%	0.5–1.5
Met-Hb	1.0	%	0.0–1.5
Bilirubin	0.4	mg/dl	0.2–1.2