An ulcerated lesion is defined as a cavity in the vessel wall with disruption of the intima and flow observed within the plaque cavity.<unk>  is assessed visually using a well defined grading system.  Grade 0 corresponds to no angiographic evidence of<unk> , grade 1<unk>  is present when the lesion contains a neck with contrast material dissecting under the plaque either proximally or distally, and grade 2<unk>  is present when there is distinct extravascular extravasation of contrast material with the appearance of a mushroom.
Coronary artery ulceration
Coronary artery thrombus
Coronary artery irregularity
Coronary artery tortuosity
Penetrating atherosclerotic aortic ulcer
Coronary artery aneurysm
Coronary air embolism
Postinfarction conduction abnormalities