Table 1 Relevant laboratory work-up on presentation. Of note, the patient’s baseline serum creatinine was 0.5–0.6 mg/dL and his last proBNP level 8 weeks prior to presentation was 5000 pg/mL

White blood cell count

8100/cu.mm

4000–11,000/cu.mm

Neutrophils

91%

40–65%

Platelets

50 600/cu.mm

150,000–400,000/cu.mm

Serum creatinine

0.9 mg/dL

0.6–1.2 mg/dL

Serum sodium

123 mmoL/L

135–145 mmoL/L

Total bilirubin

7.5 mg/dL

0–1.2 mg/dL

Direct bilirubin

6.1 mg/dL

0–0.3 mg/dL

Serum albumin

15 g/L

36–53 g/L

Alanine transaminase

127 IU/L

0–65 IU/L

Aspartate transaminase

77 IU/L

0–50 IU/L

Lactic acid (venous)

4.49 mmoL/L

0.55–2.2 mmoL/L

Creatine phosphokinase

406 IU/L

20–205 IU/L

NT-proB-type natriuretic peptide (ProBNP)

14,931 pg/mL

≤ 63 pg/mL

C-reactive protein

277 mg/L

0–2.5 mg/L

Serum procalcitonin

86.2 ng/mL

≤ 0.05 ng/mL