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 ...

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 ...

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.