In this issue of Cardiology Clinics, guest editor Dr. Ran Lee brings his considerable expertise to the topic of Cardiac Emergencies. Top experts discuss common acute cardiac conditions frequently encountered in ER and ICU settings, their pathophysiology and epidemiology, as well as diagnosis and management considerations. As the overall patient population becomes more complex with competing comorbidities, management of the acute cardiac care patient is also becoming equally sophisticated, and this issue reviews up-to-date strategies for optimal care. Contains 13 relevant, practice-oriented topics including acute coronary syndrome in the 21st century CICU; cardiac tamponade; acute heart failure from ED to the ICU; cardiogenic shock and mechanical circulatory support devices; incessant electrical storm; cardiac trauma; pulmonary hypertension emergencies; and more. Provides in-depth clinical reviews on cardiac emergencies, offering actionable insights for clinical practice. Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.