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A coronary artery spasm is a sudden tightening of the muscles within the arteries of your heart.
When this occurs, your arteries narrow and prevent blood from flowing to your heart. Coronary artery spasms are brief and temporary. However, they can potentially lead to further heart complications, such as a heart attack. This can be dangerous because the contractions may eventually cause a heart attack.
You may notice occasional light chest pain. Common symptoms can include:.
You may even experience pain that spre from your chest to your arms, neck, or jawbone. High blood pressure and high cholesterol are the most common causes of these spasms.
Approximately 2 percent of people with angina, or chest pain and pressure, experience coronary artery spasms. Coronary artery spasms can also occur in people who have atherosclerosis.
This is a condition that occurs when plaque builds up inside the arteries, blocking blood flow. You have an increased risk of getting coronary artery spasms if you also have an increased risk of developing heart disease.
High cholesterol and high blood pressure can directly increase your risk of arterial constriction. Other activities that put you at increased risk of coronary artery spasms include:. You should take steps to minimize such risk factors if you have a history of coronary artery spasms.
Muscle twitching (painless) and palpitations (fluttering in chest)
Exposure to these triggers can increase your risk of future spasms. For this reason, your doctor will likely order a variety of imaging tests. These tests can provide a clearer picture of your heart and help your doctor put together a treatment plan. The following diagnostic imaging tests may be used:. There are many heart conditions. These tests are helpful because they can give your doctor the details that they need to make an accurate diagnosis. Once your doctor determines the problem with your heart, they can recommend an appropriate treatment plan.
Treatment for a coronary artery spasm focuses on relieving chest pain. This mainly involves prescription medications, such as the following:. Your doctor may also want you to take medications that reduce high cholesterol or high blood pressure.
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Taking such medications can help prevent another coronary artery spasm or heart attack. During treatment, you should eat a low-fat, low-sodium diet. You should also quit smoking if you smoke.
These lifestyle changes can further reduce your chances of getting more coronary artery spasms. Coronary artery spasms are temporary and brief, but they can have lasting consequences. Coronary artery spasms are usually considered chronic, or long-term, conditions.
However, the outlook is generally good if you follow your treatment plan and avoid triggers. You can lower your risk of coronary artery spasms by preventing atherosclerosis. This involves eating a low-fat diet, exercising regularly, controlling blood pressure, and quitting smoking. You can also reduce your chances of having coronary artery spasms by avoiding certain triggers, such as high-stress situations.
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Coronary artery disease, or coronary heart disease, can lead to heart attack or death. Learn what causes this condition and how you can prevent it.
Coronary Artery Spasm. Medically reviewed by Debra Sullivan, Ph. Coronary artery spasms are also known as coronary artery contractions.
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Medically reviewed by Gerhard Whitworth, R. Medically reviewed by Alan Carter, Pharm. What Is Coronary Artery Disease? Medically reviewed by Stacy Sampson, D.