Assertion: echocardiogram | /r/CapableOf | use sound waves
Facets:
value: to create pictures of the heart
type: PURPOSE
Source sentences:
text: An echocardiogram (also called an echo or cardiac ultrasound) uses sound waves to create pictures of the heart.
text: An echocardiogram is a diagnostic medical test that utilizes sound waves, similar to ultrasound, to generate images of the heart.