1 From the Divisions of Cardiology (C.N., Y.K., J.M.O., J.A.C.L.) and Radiology (B.A.V.), Johns Hopkins University School of Medicine, 600 N Wolfe St, Blalock 524, Baltimore, MD 21287; and Canon Medical Research USA, Cleveland, Ohio (J.D.W.).
Various artifacts occur at MRI, and MRI technologists and radiologists must know how to identify and avoid these artifacts so they can consistently produce high-quality images.