Ventricular Tachycardia in a Pediatric Patient with High-Risk Thrombotic Thrombocytopenia Purpura

Table 1

Admission laboratory data.

	Lab value	Reference range
Hgb, g/dL	6.0	11.0–13.3
Platelet count, ×10^3/μL	5	150–400
ARC, ×10^6/μL	0.209	0.030–0.110
WBC, ×10^3/μL	6.59	4.5–10.5
PTT, seconds	32	24–35
PT, seconds	13.0	9.8–12.6
INR	1.1	N/A
D-dimer, ng/mL	1340	≤500

ARC = absolute reticulocyte count; Hgb = hemoglobin; INR = international normalized ratio; PT = prothrombin time; PTT = partial thromboplastin time; WBC = white blood cell count.