An infarct is an obstruction of blood supply to an organ or region of tissue, which can lead to cell death. Anatomy of coronary arteries While the heart is known for supplying the rest of the body with oxygenated blood, the heart itself also needs its own blood supply to function properly. It comes from the coronary arteries that branch off and encompass the entirety of the heart to ensure cardiac muscles pump efficiently. There are three main coronary arteries important for supplying the heart with blood, but arguably the most important one is the left anterior descending LAD coronary artery, which is known to affect the entire front portion of the heart during an infarct. If the coronary arteries were to become completely blocked for any reason, a heart attack would occur. In the case of anteroseptal infarct, there is a partial arterial block along one of the branches of the coronary arteries.
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