text: The<unk>  of coronary arteries occurs when the lumen, of the artery starts becoming smaller and creates a narrowed segment in which the blood flow clots slowly in the artery. This phenomenon in coronary artery decreases the perfusion and may cause necrosis which may lead to a heart attack if not treated.
option_0: Coronary artery thrombus
option_1: Coronary artery ulceration
option_2: Coronary artery irregularity
option_3: Left ventricular thrombus
option_4: Coronary air embolism
option_5: Coronary artery dissection
option_6: Coronary artery aneurysm
option_7: Left ventricular aneurysm