An echocardiogram, or echo, is a test that helps doctors check on your heart health. The test, which is a kind of ultrasound, uses harmless sound waves to create a real-time moving picture of your ...

ROCHESTER, MINN. -- Standard echocardiograms which image the heart using ultrasound waves -- much like the ultrasound images used during pregnancy to monitor fetal development -- can be used as a ...

During a dedicated hardware-focused event today Amazon unveiled redesigned versions of its Echo smart speakers, including the standard Echo that now sports a spherical design and which comes in ...