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Coronary artery disease (CAD) is a condition characterized by the narrowing or blockage of the coronary arteries due to atherosclerosis, which is the buildup of plaques containing fat, cholesterol, and other substances. This reduced blood flow can deprive the heart muscle of essential nutrients and oxygen, increasing the risk of heart-related issues.

When the blood supply to a part of the heart muscle is significantly restricted or completely blocked—typically due to a ruptured plaque or severe narrowing—it can result in a myocardial infarction, commonly known as a heart attack. During a myocardial infarction, the affected heart muscle begins to die due to the lack of blood flow, leading to severe complications or even death if not treated promptly.

Therefore, stating that coronary artery disease can lead to a myocardial infarction is accurate, as the progression of CAD creates a direct pathway for heart attacks to occur. Understanding the relationship between these two conditions is crucial for recognizing risk factors and implementing preventive measures in cardiovascular health.