Table 1. Initial laboratory workup on admission.

Test	Results	Reference range
White blood cell count	18.21	5.00-11.00 x 103/uL
Platelet	40	150-400 x 103/uL
Creatinine	4.35	0.5-1.1 mg/dL
Blood urea nitrogen	76	6-23 mg/dL
Brain natriuretic peptide	3887	<101 pg/mL
Anion gap	20	4-14 mmol/L
Lactic acid	3.7	0.5-2 mmol/L
Aspartate aminotransferase	39	1-35 U/L
Alanine aminotransferase	29	1-45 U/L
Alkaline phosphatase	262	38-126 U/L
Bilirubin direct	0.5	0.0-0.8 mg/dL
Bilirubin total	1.3	0.1-1.2 mg/dL
D-dimer	>20,000	<500 ng/mL
Fibrinogen level	539	150-470 mg/dL
Fibrin split products	0.37	<5 ug/mL