Assertion: carotid ultrasound | /r/HasProperty | performed
Facets:
value: typically
type: DEGREE
Source sentences:
text: Lower extremity venous ultrasound is typically performed if a clot in the vein (deep venous thrombosis or DVT) is suspected.
text: A carotid ultrasound is performed to test for narrowed carotid arteries, which increase the risk of stroke.