Table 1. Laboratory values of the patient on admission.

Laboratory test	Value on admission	Reference range
Sodium (mEq/L)	132	135-145
Potassium (mEq/L)	5.5	3.7-5.2
Blood urea nitrogen (mg/dL)	43	6-20
Creatinine (mg/dL)	2.2	0.6-1.3
Anion gap (mmol/l)	25	8-16
Alkaline phosphatase (U/L)	441	20-130
Aspartate aminotransferase (U/L)	99	8-33
Total bilirubin (mg/dL)	2.1	0.1-1.2
Total creatine kinase (U/L)	1509	22-198
Initial troponin (ng/mL)	0.203	0-0.04