changes to the American Board of Internal Medicine (ABIM) Exam, the fifth edition of The Complete Guide to ECGs provides a unique and practical way for physicians in training, fellows, residents, and other medical professionals to improve their ECG interpretation skills. The highly interactive format and comprehensive scope of information are also ideally suited for physicians preparing for the American Board of Internal Medicine Cardiovascular Disease or Internal Medicine Board Exams, the American College of Cardiology ECG proficiency test, and other exams requiring ECG interpretation. The Complete Guide to ECGs, Fifth Edition, is a superb addition to the library of every intern, resident, and fellow, and a uniquely practical and comprehensive study guide for physicians interested in improving their interpretation of ECGs and preparing for board examinations.