This study guide for medical students in pathophysiology courses features clinical cases that introduce key concepts, thought questions to integrate the clinical situation with basic science topics being reviewed, basic science review and discussion, thumbnail charts and key points, and multiple choice questions. Lists of abbreviations and normal ranges of laboratory values are also included. Leung is a cardiology fellow at the University of California.Clinical cases that introduce the basic science topics Thought questions that integrate the clinical situation with basic science topics being reviewed Basic science review and discussion that presents the answers to the thought questions and provides a clinical framework for the understanding of the basic science topics Thumbnail chart and key points that highlight the essential information presented in the discussion Multiple-choice questions that provide a check on your understanding of concepts presented.