Diagnosis and Management of Atypical Hemolytic Uremic Syndrome After viewing this activity, participants will demonstrate the ability to: recognize the clinical manifestations and laboratory findings in patients with thrombotic microangiopathy (TMA); recognize the distinctive clinical manifestations and laboratory findings in patients with atypical hemolytic uremic syndrome (aHUS); explain the role of the alternative complement pathway in aHUS. (Javascript is required to view Mediasite content)