why does angina pectoris occur
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Angina Pectoris Angina pectoris occurs when the heart muscle (myocardium) does not receive an adequate amount of blood and oxygen needed for a given level of work (insufficient blood supply is called ischemia). The following are the most common symptoms of angina.
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Heart Disease 101 Angina. When Coronary Artery Disease (CAD) causes chest pain, it is called Angina Pectoris. Approximately 6.2 million people in the U.S. have been diagnosed with Angina Pectoris. It is usually described as a heaviness, pressure, squeezing, or aching in the substernal (front, central area) of the chest.hen Coronary Artery Disease (CAD) causes chest pain, it is called Angina Pectoris. Approximately 6.2 million people in the U.S. have been diagnosed with Angina Pectoris. It is usually described as a heaviness, pressure, squeezing, or aching in the substernal (front, central area) of the chest.
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Coronary Artery Disease (CAD) Overview. If the flow of oxygen-rich blood to your heart muscle is reduced or blocked, angina (an-JI-nuh or AN-juh-nuh) or a heart attack can occur. Angina is chest pain or discomfort. It may feel like pressure or squeezing in your chest.The pain also can occur in your shoulders, arms, neck, jaw, or back.f the flow of oxygen-rich blood to your heart muscle is reduced or blocked, angina (an-JI-nuh or AN-juh-nuh) or a heart attack can occur. Angina is chest pain or discomfort. It may feel like pressure or squeezing in your chest.
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Causes of Angina Causes of Angina: Coronary Artery Disease. The most common cause of angina is coronary artery disease. In coronary artery disease, the coronary arteries that carry oxygen-rich blood to the heart muscle are narrowed due to the buildup of fatty deposits called plaque. This is a condition called atherosclerosis.
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Angina Angina pectoris, commonly known as angina, is the sensation of chest pain, pressure, or squeezing, often due to ischemia of the heart muscle from obstruction or spasm of the coronary arteries.orsening (crescendo) angina attacks, sudden-onset angina at rest, and angina lasting more than 15 minutes are symptoms of unstable angina (usually grouped with similar conditions as the acute coronary syndrome).
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- TOP. Variant angina is caused by a spasm in a coronary artery that supplies the heart muscle with blood, oxygen, and nutrients. A spasm is a sudden, temporary narrowing or tightening of a small part of an artery.This spasm results in a temporary situation where the heart does not get enough blood.ariant angina is often treated with medications called calcium channel blockers. These medications can decrease variant angina attacks and are often used in combination with nitrates during attacks. If another condition is contributing to your angina, such as CAD, then it will need to be treated as well..
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Prinzmetal's or Prinzmetal Angina, Variant Angina and Angina Inversa Prinzmetal’s angina is rare, representing about two out of 100 cases of angina, and usually occurs in younger patients than those who have other kinds of angina. Causes of Variant (Prinzmetal) Angina: The pain from variant angina is caused by a spasm in the coronary arteries (which supply blood to the heart muscle).The coronary arteries can spasm as a result of: Symptoms of Variant (Prinzmetal) Angina: The pain or discomfort:rinzmetal’s angina is rare, representing about two out of 100 cases of angina, and usually occurs in younger patients than those who have other kinds of angina. Causes of Variant (Prinzmetal) Angina: The pain from variant angina is caused by a spasm in the coronary arteries (which supply blood to the heart muscle).
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What is Angina? Prinzmetal's angina (also called variant angina) is rare. It might happen at night while you're sleeping or resting. The heart arteries suddenly tighten or narrow.
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- Angina is caused by reduced blood flow to your heart muscle. Your blood carries oxygen, which your heart muscle needs to survive. When your heart muscle isn't getting enough oxygen, it causes a condition called ischemia. The most common cause of reduced blood flow to your heart muscle is coronary artery disease (CAD).
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Understand Angina/Chest Pain Angina, or angina pectoris, is a medical term for the symptoms caused by the heart not getting enough oxygen from the arteries that supply the heart with blood. When these arteries become narrowed or blocked over time, it is called coronary artery disease (CAD) , and it can cause angina.ngina, or angina pectoris, is a medical term for the symptoms caused by the heart not getting enough oxygen from the arteries that supply the heart with blood. When these arteries become narrowed or blocked over time, it is called coronary artery disease (CAD) , and it can cause angina.
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Overview Angina is caused by reduced blood flow to your heart muscle. Your blood carries oxygen, which your heart muscle needs to survive.When your heart muscle isn't getting enough oxygen, it causes a condition called ischemia. The most common cause of reduced blood flow to your heart muscle is coronary artery disease (CAD).ngina is caused by reduced blood flow to your heart muscle. Your blood carries oxygen, which your heart muscle needs to survive.
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- An episode of angina is not a heart attack. Angina pain means that some of the heart muscle in not getting enough blood temporarily--for example, during exercise, when the heart has to work harder. The pain does NOT mean that the heart muscle is suffering irreversible, permanent damage.Episodes of angina seldom cause permanent damage to heart muscle.In contrast, a heart attack occurs when the blood flow to a part of the heart is suddenly and permanently cut off. This causes permanent damage to the heart muscle.pisodes of angina seldom cause permanent damage to heart muscle. In contrast, a heart attack occurs when the blood flow to a part of the heart is suddenly and permanently cut off. This causes permanent damage to the heart muscle.
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What is angina, and what are the symptoms? A. Angina (angina pectoris-Latin for squeezing of the chest) is chest discomfort that occurs when there is a decreased blood oxygen supply to an area of the heart muscle. In most cases, the lack of blood supply is due to a narrowing of the coronary arteries as a result of arteriosclerosis.Angina may be felt as: 1  pressure.. Angina (angina pectoris-Latin for squeezing of the chest) is chest discomfort that occurs when there is a decreased blood oxygen supply to an area of the heart muscle. In most cases, the lack of blood supply is due to a narrowing of the coronary arteries as a result of arteriosclerosis. Angina may be felt as:
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Angina Pectoris  (Angina) Angina (Angina Pectoris). Angina is chest pain or discomfort that occurs when an area of your heart muscle doesn't get enough oxygen-rich blood.PubMed Health Glossary. (Source: NIH-National Heart, Lung, and Blood Institute).Symptoms Tests Treatments Prevention.ngina is chest pain or discomfort that occurs when an area of your heart muscle doesn't get enough oxygen-rich blood. PubMed Health Glossary. (Source: NIH-National Heart, Lung, and Blood Institute). Symptoms Tests Treatments Prevention.
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- Eventually, myocardial infarction (or known as a MI) may occur if the coronary artery disease is not detected and treated in a timely manner. Myocardial ischemia not only impairs the electrical and mechanical function of the heart, but also commonly results in intense, debilitating chest pain known as angina pectoris.
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Understanding Prinzmetal Angina It occurs when a spasm strikes in one of the coronary arteries — the arteries that supply blood to your heart. The spasm causes part of the heart muscle to be deprived of its blood supply, and angina occurs.
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What is angina? Angina, also called angina pectoris, is the discomfort or pain that occurs when a narrowed coronary artery decreases the blood supply to your heart muscle. People describe angina as discomfort, tightness, pressure, or pain in the chest, back, neck, shoulders, arms (especially the left arm), or jaw.t is a common symptom of coronary heart disease, which occurs when vessels that carry blood to the heart become narrowed and blocked due to atherosclerosis. Angina feels like a pressing or squeezing pain, usually in the chest under the breast bone, but sometimes in the shoulders, arms, neck, jaws, or back.
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Angina Unstable angina worsens and is not relieved by rest or your usual medications. If the blood flow doesn't improve, heart muscle deprived of oxygen dies — a heart attack. Unstable angina is dangerous and requires emergency treatment. Variant angina, also called Prinzmetal's angina, is caused by a spasm in a coronary artery in which the artery temporarily narrows. 2  This narrowing reduces blood flow to your heart, causing chest pain. 3  Variant angina can occur even when you're at rest, and is often severe.
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Angina Angina. Also known as angina pectoris, angina occurs when an area of heart muscle does not get enough oxygen. The patient experiences chest discomfort, tightness or pain. Angina is not technically a disease, but rather a symptom of coronary artery disease.Lack of oxygen to the heart muscle is usually caused by the narrowing of the coronary arteries because of plaque accumulation (atherosclerosis).ngina. Also known as angina pectoris, angina occurs when an area of heart muscle does not get enough oxygen. The patient experiences chest discomfort, tightness or pain. Angina is not technically a disease, but rather a symptom of coronary artery disease.
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Heart Disease (Cardiovascular Disease, CVD) Angina-or angina pectoris (Latin for squeezing of the chest) - is chest pain, discomfort, or tightness that occurs when an area of the heart muscle is receiving decreased blood oxygen supply. It is not a disease itself, but rather a symptom of coronary artery disease, the most common type of heart disease.ngina is most frequently the result of underlying coronary artery disease. The coronary arteries supply the heart with oxygen rich blood. When cholesterol aggregates on the artery wall and hard plaques form, the artery narrows.
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Glossary Angina is chest pain or discomfort that occurs when not enough oxygen-rich blood is flowing to an area of your heart muscle. Angina may feel like pressure or squeezing in your chest. The pain also may occur in your shoulders, arms, neck, jaw, or back.t is a common symptom of coronary heart disease, which occurs when vessels that carry blood to the heart become narrowed and blocked due to atherosclerosis. Angina feels like a pressing or squeezing pain, usually in the chest under the breast bone, but sometimes in the shoulders, arms, neck, jaws, or back.
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- Definition. Angina is pain, discomfort, or pressure localized in the chest that is caused by an insufficient supply of blood (ischemia) to the heart muscle. It is also sometimes characterized by a feeling of choking, suffocation, or crushing heaviness.This condition is also called angina pectoris.ecause episodes of angina occur when the heart's need for oxygen increases beyond the oxygen available from the blood nourishing the heart, the condition is often precipitated by physical exertion. In most cases, the symptoms are relieved within a few minutes by resting or by taking prescribed angina medications.
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- Updated July 27, 2016. Angina refers to the symptoms (usually chest pain or chest discomfort) that occur when some part of the heart muscle is in a state of ischemia. Ischemia means that a tissue is not receiving enough oxygen to function normally, usually because its blood supply is insufficient.
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Medical Dictionary Angina pectoris: Chest pain due to an inadequate supply of oxygen to the heart muscle. The pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.ngina pectoris: Chest pain due to an inadequate supply of oxygen to the heart muscle. The pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.
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- For other uses, see Angina (disambiguation). Angina pectoris, commonly known as angina, is the sensation of chest pain, pressure, or squeezing, often due to not enough blood flow to the heart muscle as a result of obstruction or spasm of the coronary arteries.
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Heart Disease (Cardiovascular Disease, CVD) Angina-or angina pectoris (Latin for squeezing of the chest) - is chest pain, discomfort, or tightness that occurs when an area of the heart muscle is receiving decreased blood oxygen supply. It is not a disease itself, but rather a symptom of coronary artery disease, the most common type of heart disease.