Echocardiography By Thomas Cascino, MD, MSc, Michigan Medicine, University of Michigan; Michael J Shea, MD, Michigan Medicine at the University of Michigan Reviewed / Revised Jul 2021 | Modified Sep 2022 View Patient Education Topic Resources Echocardiography Echocardiogram (4-Chamber... Echocardiography uses ultrasound waves to produce an image of the heart, the heart valves, and the great vessels.