Seizure as Presenting Symptom of Multisystem Inflammatory Syndrome in Children

Table 1

Laboratory values.

	Hospital day 0	Hospital day 2	Hospital day 3	Hospital day 4	Hospital day 9	Follow-up visit 1 month after discharge
WBC (4.5–13.0 × 10  3/μL)	15.8	20.7	20.3	28	10.7	4.7
WBC differential	Automated	Automated			Manual	Automated
Neutrophils (%)	91	92			77	39.1
Bands		17			13
Lymphocytes (%)	2.4	1.9/1			14	50.2
Monocytes (%)	6.3	4.4/1			5	8.2
Eosinophils (%)	0.2	1.6/2			0	0.9
Basophils (%)	0.1	0.1/−			0	1.6
Hemoglobin (11.5–15.3 g/dL)	9.6	8.3	13.4	7.1	11.4	12.0
Platelets (140–440 × 10  3/μL)	185	154	130	210	273	293
Albumin (3.2–5 g/dL)	3.4	3.0	2.3	2.7	2.8	4.0
AST (12–78 U/L)	11	13		7	10	12
ALT (15–37 U/L)	25	20		16	22	9
Bilirubin, total (0.3–1.2 mg/dL)	1.1	0.9		0.4	0.2	0.3
Blood glucose (70–99 mg/dL)	108	113	107	137	109	90
Sodium (135–145 mmol/L)	129	138	135	140	138	136
Potassium (3.5–5.3 mmol/L)	3.6	3.1	3.3	3.5	4.4	4
Chloride (97–110 mmol/L)	96	106	106	107	102	107
Calcium (8.7–12.7 mg/dL)	8.7	8.6	7.9	8.2	8.2	9
Magnesium (1.6–2.4 mg/dL)	2.2				2.1
Phosphate (3.5–5.5 mg/dL)	2.0				3.0
ESR (<20 mm/Hr)		100				15
CRP (<10.0 mg/L)		>400.0	350.1	183.5	15.3	1.4
Troponin (0.01–0.04 ng/mL)		0.05	1.86	0.4	0.16	<0.015
BNP (<100 pg/mL)		900	1310	2159	118	5
D-dimer (<0.50 mg/L FEU)		2.66	3.53	2.42	3.92	0.60
IL-6 (<2.0 pg/mL)		30.5
Ferritin (11.0–306.0 ng/mL)		541
Fibrinogen (150–440 mg/dL)		687	654	558	237
SARS-CoV-2 IgG		Positive
SARS-CoV-2 PCR		Negative
Creatinine (0.4–1.0 mg/dL)	0.82	1.6	0.67	0.7	0.45	0.56
WBC, CSF (cell/mm^3)		1
RBC, CSF (cell/mm^3)		147
Glucose, CSF (50–80 mg/dL)		76
Protein, CSF (15–45 mg/dL)		26
Blood culture	Negative
CSF culture		Negative

Abnormal values are indicated in bold.