A thrombus (blood clot) in the anterior descending branch of the left coronary artery cause sudden death because it stops the the supply of blood to the heart.
Heart is a very important, small fist-shaped organ of the circulatory system. It pumps blood to the whole body. The human heart is divided into four chambers: two auricles and two ventricles. It us made up of cardiac muscles that are involuntary, i.e., they show movement on their own.
A thrombus or blood clot is a mass of cells of solidified blood along with different proteins and platelets. It appears as a mesh-like structure on the wounded area. Formation of blood clot is necessary on the outer surface of body to prevent excessive blood flow. However, same clot inside the body can stop blood flow at several places.
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