About the Author
Sunil Nadar is a Consultant Cardiologist at the University Department of Medicine, City Hospital, Birmingham, UK. His work includes general cardiology and interventional cardiology. He performs coronary angiographies (to look at the nature of heart arteries), angioplasties (procedure to stretch blocked arteries with a balloon and stent), echocardiography and pacemakers. He also has an interest in hypertension (high blood pressure), management of palpitations andbreathlessness.Gregory Lip is Professor of Cardiovascular Medicine at the University Department of Medicine, City Hospital, Birmingham, UK. Half of his time is spent as a clinician, and he practises the full range of cardiovascular medicine, including outpatient clinics, with large atrial fibrillation and hypertension specialist clinics, and coronary care units. As an academic, Professor Lip provides strategy and research direction for his group, with many local, national, and international collaborations inprogress. He has had a major interest into the epidemiology of atrial fibrillation (AF), as well as the pathophysiology of thromboembolism in this arrhythmia.