The drug simvastatin, a class of drugs called statins, works to lower blood cholesterol levels. When excess cholesterol builds up in the walls of blood vessels, this increases your chances of having a heart attack or stroke. Simvastatin, when taken into the body, blocks an enzyme that produces cholesterol in the liver and slows down the production of cholesterol in the body.

Intra-coronary ultrasound helps to accurately assess the damage in coronary arteries, diagnose the nature and extent of atherosclerosis, accurately measure the narrow lumen area.

Atherosclerosis is a very common disease in modern life. In particular, coronary atherosclerosis is one of the most feared lesions of this condition. At that time, the blood flow to the heart is limited, the heart is ischemic, reducing its ability to contract, causing many serious consequences.