A heart attack happens when there is a sudden complete blockage of an artery that supplies blood to an area of your heart.
Read more about what a heart attack is.
Heart attacks and angina are both outcomes of coronary heart disease. There is no single cause for coronary heart disease, but there are risk factors that increase your chance of getting it. The more risk factors you have, the more likely you are to have a heart attack.
Learn more about coronary heart disease.
Read more about heart attack risk factors.
If you’ve had one heart attack, you are at more risk of another. But the symptoms might be different.
Read more about heart attack symptoms.
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Angina is temporary pain or discomfort that happens when your heart can’t get enough blood and oxygen.
Your heart is a muscle that pumps blood to all parts of your body. The blood gives your body the oxygen and nourishment it needs to work properly.
Read more about how your heart works.