Book excerpt: This new edition has been completely revised to take in all the NICE, ESC and ESVS guidelines that have been updated over the last 5 years. It continues to couple a comprehensive overview with an attractive design and student-friendly layout to produce a book that is accessible, relevant and current. Written by an experienced author team, it covers all the cardiology a medical student should know. Each section of the book starts with an ‘In a Heartbeat’ box which provides a useful summary of what you need to learn; these also act as excellent exam revision tools. The book is interspersed with a variety of additional features to help you understand the subject: Exam Essentials boxes tell you what you must know about the topic Pro-tips give you key extra knowledge to further improve your understanding New What’s the Evidence? boxes describe the key trials influencing practice Why? boxes explain the pathophysiology and rationale behind certain decisions and processes Guidelines summarise the recent recommendations from key bodies to ensure you are up to date with best practice. Cardiology in a Heartbeat will help you understand and appreciate the subject, succeed in your exams, and serve your patients to the best of your ability.