Echocardiogram With or Without Contrast Make an Appointment Patient Education Find a Doctor Download Patient Education An echocardiogram is an ultrasound of the heart. The ultrasound shows the structures and functions of the heart muscle and heart valves from different angles. It does this by using sound waves. Contrast is used during an echocardiogram to see the flow of blood through the heart and the heart muscle better. Download PDF: Echocardiogram With or Without Contrast Download PDF: Echocardiogram With or Without Contrast View more information on Echocardiogram National Jewish Health authors free downloadable patient education materials to provide you and your family the information and tools to help manage your disease. They include Understanding Booklets, Med Facts, Test Facts, Medication handouts and more. Search Free Education Materials