Risk FactorsĪ risk factor is anything that increases your chance of developing disease. This blockage may result in a heart attack. This may limit blood flow and create a risk for the vessel to become completely blocked. As plaque builds up, the coronary arteries narrow and blood clots may form. Plaque is a collection of fat, cholesterol, and other substances. Coronary artery disease (CAD) is the most common and is a major cause of heart attack ( myocardial infarction).ĬAD occurs when plaque builds up along the walls of the heart's arteries. Heart disease comes in many different forms. Who should consider heart screening – and why? About Coronary Heart DiseaseĪccording to the National Institutes of Health, heart disease is a leading cause of death and disability in the United States. This allows your doctor to see any blockage or narrowing of the coronary arteries. The doctor guides the catheter to the heart and injects contrast material through it. Your doctor will insert a thin plastic tube called a catheter into an artery.
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