Table 1. The key laboratory results from the patient's presentation through her initial hospital course.

WBC: white blood cell; Hb: hemoglobin; IgG: immunoglobulin G

Test	Result	Reference range
WBC count	18.3 K/uL	4.5-11.0 K/uL
Hb	6.1 g/dL	12.0-15.5 g/dL
Lactic acid	5.70 mmol/L	0.5-2.2 mmol/L
IgG	281 mg/dL	700-1600 mg/dL