This is the first episode of a four-part educational series designed to enhance healthcare professionals' knowledge on the guidelines, current science, and best practices surrounding recurrent pericarditis. In this episode, experts focus on the diagnosis of acute pericarditis. They provide a comprehensive approach to history taking and differential diagnosis, and review the critical details needed to assess a patient's past medical history and clinical features. Learn more about the essential elements that impact patient care settings and lay the foundation for effective management of acute pericarditis.