Table 1 Results of the initial laboratory investigations

Complete blood count test

Chemistry profile

White blood cell

11,800/ul

Creatinine

0.9 mg/dL

Hemoglobin

11.4 g/dL

Potassium

4.0 mmol/L

Platelet count

226,000/ul

Creatine phosphokinase

99 IU/L

Alanine transaminase

28 IU/L

Arterial blood gas analysis

Cardiac specific enzymes

pH

7.36

PaO₂

51.5 mmHg

Troponin-T

0.017 ng/mL

PaCO₂

34.0 mmHg

CK-MB isoform

4.01 ng/mL

SaO₂

84.2 %

N-terminal pro-BNP

1,870 pg/mL

Coagulation panel

Autoimmune antibody

aPTT

56 sec

Proteinase 3-ANCA

Negative

PT (INR)

86.3 sec (6.93)

Anti-nuclear antibody

Negative

C-reactive protein

9.47 mg/dL

Myeloperoxidase anti-neutrophil Cytoplasmic autoantibody

Negative

Procalcitonin

0.26 mg/dL