Principles of cardiac and vascular computed tomography / Stuart J. Hutchison, MD, FRCP(C), FACC, FAHA, FSCCT, Clinical Professor of Medicine, Departments of Cardiac Sciences, Medicine, and Radiology, University of Calgary, Director of Echocardiography, Foothills Medicine Centre and Libin Cardiovascular Institute, Calgary, Alberta, Canada, Naeem Merchant, MD, FRCP(C), Clinical Professor of Medicine, Departments of Cardiac Services, Medicine, and Radiology, University of Calgary, Calgary, Alberta, Canada.