Welcome to "ACR Convergence on Air" (ACoA)! Our daily coverage of ACR Convergence 2023! First up: what is thrombotic microangiopathy (TMA) and what is its significance for rheumatology? How does TMA present in clinic and what are the challenges in diagnosing it? Chief of the Division of Hematology and Medical Director of the Clinical Coagulation and the Platelet Antibody Laboratories at Duke University, Dr. Thomas Ortel, joins us on the show to explain this and more from his presentation here at Convergence 2023