What is coronary artery atherosclerosis, focal, severe?

Coronary artery atherosclerosis is the plaque, and debris in your blood that builds up against the artery walls. Sort of like the sludge that builds up in household pipes when a drain gets clogged.

A focal lesion is a stenosis or narrowing of the artery. If it is focal it is usually tight symmetrically and occurs in only one spot in the artery. Like the tiny waist of a woman or like an hour glass at the smallest point. Unlike, what we call, a "ratty" lesion. This of course looks bad, uneven, long, and usually occurs all over the artery.

Focal lesions can be severe (70% or tighter), or can be mild (less then 70%). I hope this helps.

It's the name of the process in which deposits of fatty substances, cholesterol, cellular waste products, calcium and other substances build up in the inner lining of an artery. This buildup is called plaque. It usually affects large and medium-sized arteries. Some hardening of arteries often occurs when people grow older. This means that the plaque that you have is in the arteries of the heart and it is rather deadly.

Hopefully, if you have this plaque you would have seen a cardiologist and have this sorted by now.

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