The purpose of a Doppler ultrasound is to check blood flow. Doctors use the findings to help determine whether there is a blockage, narrowing, or leakage in a blood vessel. Healthcare professionals ...

An echocardiogram is a medical test that uses sound waves (ultrasound) to produce images of your heart. It allows healthcare providers to see the heart's structures like the chambers, valves, and ...

An echocardiogram is an ultrasound image of the heart. Echocardiograms can help doctors diagnose a range of heart problems, such as heart failure, blood clots in the heart, and heart valve disease.