Titles in the Pocket Tutor series give practical guidance on subjects that medical students and foundation doctors need help with \'on the go\'. Their highly affordable price puts them within reach of those rotating through modular courses or working on attachment. Common investigations (ECG, imaging) Clinical skills (patient examination) Clinical specialties that students perceive as too small to merit a textbook (psychiatry, renal medicine) Key Points Breaks down a subject that students find complex and daunting, using clear images and concise but informative text Logical, sequential content: relevant basic science; then chapters devoted to common disorders that introduce the clinical essentials of cardiac practice Descriptions of common disorders are enhanced by clinical Scenarios (\'Patient presents with...\'), which help students and trainees to recognise and manage common presenting problems