Assertion: cardiac catheter | /r/ObjectUse | used for angiography
Facets:
value: after injection of radiopaque substance
type: TEMPORAL
Source sentences:
text: Coronary catheters are used for angiography (x-ray of blood vessels after injection of radiopaque substance), angioplasty (altering the structure of a vessel), and ultrasound procedures in the heart or in peripheral veins and arteries.