This interactive online course presents pathophysiology content in a variety of formats, designed to aid understanding and learning the material presented in Copstead:: Pathophysiology. Pathophysiology Online is organized into modules that correspond with key chapters in the core text. These modules explain and clarify difficult concepts with interactive activities, animations, and case studies. Augmenting the material found in the textbook, this online course also offers narrated algorithms, self-assessment reviews, activities, on-screen feedback, and exams, and more.