An 8-year-old boy has a recent history of an upper respirato…
An 8-year-old boy has a recent history of an upper respiratory infection and comes to the clinic with a maculopapular rash on his lower extremities and swelling and tenderness in both ankles. The pediatric nurse practitioner performs a UA, which shows proteinuria and hematuria and diagnoses Immunoglobulin A Vasculitis (IgAV) What ongoing evaluation will the nurse practitioner perform during the course of this disease?