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 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.

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...