see this spot here this is the lining the lining is now ruptured this is called plaque rupture this cholesterol material is extremely sticky so when this cholesterol material comes in contact with flowing blood what's gonna happen here we go alright it comes in contact with the blood boom we form a clot so that clot can do what it's done here and completely blocked off the blood flow now we have a completely blocked vessel or if it doesn't completely block it off pieces of that clot may blake loose and head up into