The section on Clinical Electrocardiography offers an in-depth exploration of the fundamental principles and practical applications of ECG in cardiovascular medicine. This section provides a clear, step-by-step guide to understanding and interpreting ECGs, blending theoretical knowledge with real-world cases to equip clinicians with the skills necessary to enhance patient outcomes. Authored by Dr. Araz Rawshani, it is one of the world’s most-read resources on ECG interpretation. This comprehensive section guides users from basic concepts to advanced levels of understanding, incorporating the latest guideline recommendations. Additionally, self-assessment tests are available for each topic covered.