Dominic Stone
Coronary artery spasms are a medical condition where the heart's blood vessels narrow, limiting or completely blocking blood flow to the heart. This can lead to a heart attack or the development of coronary artery disease. The main cause of coronary artery spasms is endothelial dysfunction, which reduces blood flow. However, there are several other factors that may increase the risk of this condition, including cigarette smoking, stimulant drug use, exposure to cold, and stress. Treatments include calcium channel blockers, long-acting nitrates, and beta-blockers, although the latter may worsen coronary artery spasms.
| Characteristics | Values |
|---|---|
| Medical Definition | Coronary artery spasms are a medical condition where the artery temporarily either blocks off or decreases blood flow to the heart. |
| Symptoms | Chest pain, tightness, heavy pressure, squeezing, or a crushing feeling. |
| Causes | Endothelial dysfunction, exposure to cold, exercise, stress, menstrual cycle, cigarette smoking, stimulant drugs, alcohol withdrawal, medicines that constrict or narrow blood vessels, rapid breathing, gasping, beta-blockers, magnesium deficiency. |
| Risk Factors | Diabetes, high blood pressure, high cholesterol, high levels of C-reactive protein, age (more common between 40 and 70 years old, but can affect any age). |
| Treatment | Calcium channel blockers, nitroglycerin, long-acting nitrates, ACE inhibitors, statins, angioplasty, stent placement, aspirin, L-Arginine (dietary supplement). |
| Prevention | Quitting smoking, reducing other heart disease risk factors, controlling diabetes, high blood pressure, and high cholesterol, avoiding stimulant drugs. |
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Coronary artery spasms
Coronary artery spasm (CAS) is a brief, sudden narrowing of one of the arteries that supply blood and oxygen to the heart. It is caused by a squeezing of the muscles in the artery wall, which can slow or stop blood flow through the artery. This can lead to a temporary blockage of the artery.
CAS is often not caused by exercise, unlike angina, which is caused by the hardening of the coronary arteries. The main symptom of CAS is chest pain, which can feel like tightness, heavy pressure, squeezing, or a crushing feeling. It may spread to the neck, jaw, shoulder, or arm. Some people say the pain feels like gas or indigestion. In some cases, CAS can cause not just angina, but a heart attack.
The spasm may be ""silent" (without symptoms) or it may result in chest pain or angina. CAS is typically treated with calcium channel blockers such as verapamil or diltiazem, which work by stopping calcium from being absorbed into the muscle cells of the blood vessels, thus relaxing them. ACE inhibitors and statins may also be used to help blood vessel health. Beta-blockers are used with other coronary artery problems, but they may make CAS worse, so they should be used with caution.
CAS is a long-term (chronic) condition, but treatment most often helps control symptoms. It is important to avoid triggers such as exposure to cold, cocaine or amphetamine use, cigarette smoking, and high-stress situations. CAS occurs most commonly in people who smoke or who have high cholesterol or high blood pressure.
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Stress
While the sources I found do not explicitly mention heart muscle spasms, they do refer extensively to coronary artery spasms, which are a quick tightening of the blood vessels that deliver blood to the heart muscle. These spasms can cause chest pain, but they do not always have noticeable symptoms.
If you regularly experience chest pain that seems linked to stress, therapy could be beneficial. Finding a therapist can help you work on managing emotional symptoms, which may reduce your pain over time. Mindfulness-enhancing exercises, including meditation, progressive muscle relaxation, and mindfulness-based stress reduction, could help you disconnect from thoughts that increase anxiety and chest pain and ground yourself in the present moment. Deep breathing can also help ease chest pain caused by panic.
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Smoking and stimulant drugs
Smoking and exposure to second-hand smoke are major causes of cardiovascular disease (CVD). Smoking increases the risk of coronary heart disease by 2 to 4 times and the risk of stroke by 2 to 4 times compared to non-smokers. Even people who smoke fewer than five cigarettes a day can show early signs of CVD. In the United States, second-hand smoke causes nearly 34,000 deaths from coronary heart disease and more than 8,000 deaths from stroke among non-smokers.
The chemicals in cigarette smoke can thicken the blood, forming clots that may block coronary arteries. Smoking also promotes inflammation and atherosclerosis, which is the buildup of plaque and cholesterol in the arteries. This can prevent oxygen-rich blood from reaching the heart, causing a heart attack. Smoking also triggers cardiac fibrosis, or the scarring of heart muscle, which can lead to an irregular or fast heartbeat. The nicotine in cigarettes also increases heart rate, which can lead to tachycardia.
Stimulant medications and drugs, such as amphetamines, cocaine, Dexedrine, Adderall, and Ritalin, can also cause a spike in the risk of heart-related problems. Stimulants cause the heart to beat faster and with greater force, which can raise blood pressure. Mixing stimulants with other substances, such as alcohol, can put extra stress on the cardiovascular system, leading to dangerously high blood pressure or irregular heart rhythms. The abuse of stimulants can cause significant stress on the heart, increasing the risk of adverse consequences and even death.
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Heart attack
A heart attack is a serious and life-threatening event. It occurs when there is a blockage or decrease in blood flow to the heart, which can be caused by a coronary artery spasm. Coronary arteries are blood vessels that wrap around the heart and supply blood and oxygen to the heart muscle. A spasm is a sudden contraction or tightening of the muscles within these arteries, which causes them to narrow and can lead to a blockage. This reduced blood flow can result in chest pain, known as angina, and if the spasm lasts long enough, it may cause a heart attack.
The main symptom of a coronary artery spasm is chest pain, which can feel like tightness, heavy pressure, squeezing, or a crushing feeling. This pain may spread to the neck, jaw, shoulder, or arm, and can occur during physical activity, rest, or sleep. It is important to note that only 2% of people who experience chest pain are having a coronary artery spasm, and that chest pain can also be a symptom of heart disease, so medical advice should be sought.
There are several factors that can increase the risk of a coronary artery spasm, including cigarette smoking, stimulant drug use (including amphetamines and cocaine), exposure to cold, high-stress situations, and certain medications that constrict blood vessels. These spasms can also be linked to underlying health conditions such as diabetes, high blood pressure, and high cholesterol levels, which are also risk factors for heart disease.
Treatment for coronary artery spasms aims to control chest pain and prevent a heart attack. This can include medications such as nitroglycerin, calcium channel blockers, long-acting nitrates, beta-blockers, ACE inhibitors, and statins. Lifestyle changes, such as quitting smoking and reducing stress, can also help to prevent and manage coronary artery spasms.
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Treatment
Medications can be used to treat coronary artery spasms. A medicine called nitroglycerin (Nitrostat) can be used to relieve an episode of pain by widening the arteries to improve blood flow. Other medications that may be prescribed to prevent spasms include calcium channel blockers such as verapamil, diltiazem, amlodipine, or nifedipine, which relax the arteries. Beta-blockers are another type of medication used to treat coronary artery problems, but they may make coronary artery spasms worse, so they should be used with caution. Statins, such as atorvastatin or simvastatin, can help lower cholesterol and may also prevent spasms. ACE inhibitors may also be used to help blood vessel health.
Lifestyle changes can also help prevent coronary artery spasms. Keeping other health conditions such as high blood pressure, diabetes, and high cholesterol under control can reduce the risk of coronary artery spasms. Quitting smoking and avoiding exposure to cold, cocaine or amphetamine use, and high-stress situations can also help prevent spasms.
In addition to lifestyle changes and medications, there are also medical and surgical procedures that may be used to treat coronary artery spasms. An angiogram can be used to diagnose coronary artery spasms and determine if there are any blockages in the heart arteries. Angioplasty and stent placement may be necessary if coronary artery disease is present.
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Frequently asked questions
A heart muscle spasm, or coronary artery spasm, is a sudden contraction of the muscles within the arteries of your heart. This causes the arteries to narrow and prevents blood from flowing to your heart.
The main cause of heart muscle spasms is endothelial dysfunction, which causes reduced blood flow. However, there are several traits, conditions, or habits that may also increase your risk, including cigarette smoking, stimulant drugs, and stress.
Heart muscle spasms can be treated with medication such as aspirin, nitroglycerin, calcium channel blockers, and nitrates. Lifestyle changes can also help to prevent heart muscle spasms, such as quitting smoking and reducing other heart disease risk factors like high blood pressure and cholesterol.
