Table 1 Laboratory data on arrival

Hematocrit (%)

49

Hemoglobin (g/dL)

17.5

White-cell count (per mm³)

18200

Erythrocyte count (per mm³)

5,400,000

Platelet count (per mm³)

29.3

Sodium (mEq/L)

144

Potassium (mEq/L)

4

Chloride (mEq/L)

105

Urea nitrogen (mg/dL)

25.5

Creatinine (mg/dL)

1.17

Albumin (g/dL)

4.3

Creatine kinase (U/L)

167

CK-MB (U/L)

5.5

Troponin I (ng/mL)

0.079

C-reactive protein (mg/dL)

0.38

Brain natriuretic peptide (pg/mL)

256.9

 pH

7.314

 Partial pressure of carbon dioxide (mmHg)

52.4

 Partial pressure of oxygen (mmHg)

33.4

 Base excess

−1

 Lactate (mg/dL)

22