Arterial plaques are rough deposits that form within the walls of arteries, composed of cholesterol, various minerals (especially calcium), and body cells. These plaques compromise the integrity of the vascular system and, over time, can lead to arterial blockages. Plaques can be found throughout the body's arterial system, including arteries leading to the neck, heart, kidneys, intestines, and legs. However, plaques in arteries supplying the heart and brain are particularly significant due to the risk of sudden and severe health issues, including death. Plaques in other areas generally do not pose an immediate risk of sudden death. Plaques in the coronary arteries, which supply blood to the heart, are critically important because even minor constrictions in these small vessels can rapidly trigger a heart attack. Therefore, regular monitoring of coronary arteries is vital. The formation of arterial plaques is a result of conditions that are risk factors for various cardiovascular diseases.