On behalf of the British Society of Echocardiography, we are delighted to present the Heart supplement, “Echocardiography 2005”. In recent years, there has been increasing interest in the function of the right ventricle in health and disease. The complexity of right ventricular (RV) morphology presents us with difficulties in clinical assessment and challenges in imaging. Transthoracic echocardiography is the mainstay of non-invasive assessment of the right ventricle and, in this supplement, we provide a comprehensive overview of this subject that will be of interest to cardiologists, cardiac physiologists and other …