Answer:
Coronary heart disease (CHD) can lead to a heart attack by causing the buildup of plaque in the coronary arteries, which are the blood vessels that supply oxygen-rich blood to the heart muscle. Over time, this plaque buildup can narrow the arteries and restrict blood flow to the heart.
If the plaque ruptures or breaks open, a blood clot may form on its surface. This can further block the flow of blood to the heart muscle and cause a heart attack. The severity of the heart attack depends on the size of the blood clot and the extent of the blockage in the coronary artery.
During a heart attack, the heart muscle may be damaged or even die if blood flow is not restored quickly. The symptoms of a heart attack can include chest pain or discomfort, shortness of breath, nausea, vomiting, and lightheadedness. If you experience these symptoms, it's important to seek medical attention immediately.