The electrocardiogram (ECG) is a fundamental diagnostic tool across multiple medical specialties and health disciplines. Its accurate interpretation enables the early identification of various pathologies, triggering additional investigations and the implementation of therapeutic strategies with significant clinical and prognostic impacts. While ECG interpretation can be challenging, requiring a high level of expertise and experience, there are critical red flags that must not be overlooked. This book aims to serve as a practical guide to simplify ECG interpretation in diverse clinical settings.

The methodology adopted in this manual is designed to be useful for a wide audience, including medical students, students from other health-related fields, medical trainees, and specialists across various disciplines—particularly cardiology, internal medicine, general and family medicine, and sports medicine. It is also tailored for nurses, cardiopneumology technicians, and other healthcare professionals.

By bridging complexity and clarity, this book equips readers with essential skills to confidently interpret ECGs and apply them effectively in their respective practices.