"Marriott's Practical Electrocardiography, 13e will revised and updated to reflect the latest advances in ECG technology as well as the newest diagnostic applications, the 13th edition will offer internal medicine residents and cardiology fellows, along with practitioners, the resources they need to build their ECG interpretative skills. In addition, ECGs are increasingly used as a diagnostic tool, which means that not just cardiovascular healthcare providers need to have a solid understanding of this technology. The following are just three examples of scenarios where ECG is applied as a diagnostic tool in the Emergency Department, Heart Failure, and athlete scanning"--