Francis Morris, Consultant in Emergency Medicine, Northern General Hospital, Sheffield, UK. Lead editor of ABC of Clinical Electrocardiography. He is the Clinical Director of the Chest Pain Unit in Sheffiled and has written four book on aspects of emergency medicine. He is a regional representative of the British Association of Emergency Medicine. His main research interests are the management of chest pain, DVT and pulmonary embolus.

William J Brady, Associate Professor, Vice Chair and Program Director, Department of Emergency Medicine, Universityof Virginia Health System,, and Medical Director, Charlottesville-Albermarle Rescue Squad, Charlottesville, Virginia.

John Camm, Professor of Clinical Cardiology, St George's Hospital, London, UK