The third edition of this textbook is a comprehensive guide to clinical electrocardiography. The text has been fully updated and new topics added. New sections include discussion on conduction disturbance, arrhythmias and pace makers, with an additional chapter on pre-arrest arrhythmias and cardiac resuscitation based on recommendations of the European Resuscitation Council, endorsed by the British Resuscitation Council. The book features 674 images and illustrations including original, colour ECGs which have been enlarged and are accompanied by detailed explanations.