Variant angina is a form of angina pectoris that shows transient ST-segment elevation on electrocardiogram during an attack of chest pain. Ischemic episodes of variant angina show circadian variation and often occur at rest from midnight to early morning.

What happens in variant angina?

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.

What is another name for variant angina?

Prinzmetal angina (vasospastic angina or variant angina) is a known clinical condition characterized by chest discomfort or pain at rest with transient electrocardiographic changes in the ST segment, and with a prompt response to nitrates.

What is variant angina characteristics?

Prinzmetal's variant angina (PVA) is characterized by recurrent episodes of chest pain (angina) that usually occur when a person is at rest, between midnight and early morning. "Typical" angina, by contrast, is often triggered by physical exertion or emotional stress.

How do you manage variant angina?

Management

Short-acting nitrates are utilised for acute episodes whereas the long-acting nitrates are used to prevent vasospastic episodes. The addition of calcium channel blockers to background nitrate therapy has been shown to reduce cardiac events in patients with variant angina (9).

Pathology of Angina Pectoris: Prinzmetal angina,Variant angina :USMLE Step 1 coronary artery disease

37 related questions found

How do you treat variant angina naturally?

Here are best foods to eat and lifestyle changes to reverse angina.

1. Stop smoking. ...
2. Work towards a healthier body weight. ...
3. Consume omega-3 fats (EPA+DHA) ...
4. Eat more plants. ...
5. Reduce intake of bad fats and sugar. ...
6. Exercise regularly. ...
7. Get help from a proven ICR program.

How is variant angina diagnosed?

Diagnosis of variant angina is suspected if ST-segment elevation occurs during the attack. Between anginal attacks, the ECG may be normal or show a stable abnormal pattern. Confirmation is by provocative testing with ergonovine or acetylcholine, which may precipitate coronary artery spasm.

What is meant by variant angina?

Variant angina: Chest pain due to coronary artery spasm, a sudden constriction of a coronary artery (one of the vessels that supply the heart muscle with blood rich in oxygen) depriving the heart muscle (myocardium) of blood and oxygen. This is also called Prinzmetal angina.

What is the difference between variant angina and unstable angina?

Unstable angina occurs suddenly and worsens over time. Variant angina (Prinzmetal) – occurs at rest without any underlying coronary artery disease. It is typically due to an abnormal narrowing or spasm of the blood vessels which reduces blood flow to the heart. It can often be relieved by medication.

What causes angina pectoris?

What causes angina pectoris? Angina pectoris occurs when your heart muscle (myocardium) does not get enough blood and oxygen. Not enough blood supply is called ischemia. Angina can be a symptom of coronary artery disease (CAD).

Is variant angina acute?

Because variant angina can lead to acute myocardial infarction, fatal arrhythmias, and sudden death, early treatment is important. The prognosis of patients with variant angina is favorable, if early complications can be overcome.

Is variant angina reversible?

The electrocardiogram may show depressions rather than elevations in ST segments but in all diagnosable cases clinical symptoms should be promptly relieved and ECC changes should be promptly reversed by rapidly acting sublingual or intravenous nitroglycerin.

What is the drug of choice for variant angina?

The calcium channel blocking drugs are the agents of choice in the treatment of variant angina. Nifedipine, diltiazem, and verapamil are all effective in variant angina. The response is dose-dependent; thus, high doses may be required.

What are the symptoms of microvascular angina?

Microvascular Angina

• May be more severe and last longer than other types of angina pain.
• May occur with shortness of breath, sleep problems, fatigue, and lack of energy.
• Often is first noticed during routine daily activities and times of mental stress.

What are the three types of angina pectoris?

Types of Angina

• Stable Angina / Angina Pectoris.
• Unstable Angina.
• Variant (Prinzmetal) Angina.
• Microvascular Angina.

Does variant angina come and go?

Treatment of Variant Angina (Prinzmetal) Angina

The spasms tend to come in cycles – appearing for a time, then going away. After six to 12 months of treatment, doctors may gradually reduce the medication.

What is unstable angina pectoris?

Unstable angina, also known as unstable angina pectoris, is a medical emergency with sudden chest pain or tightness that worsens over a short period of time. Although it is not a heart attack, the symptoms are very similar, and is a warning that a person may have a heart attack in the near future.

Is variant angina stable or unstable?

The types of angina are stable, unstable, variant (Prinzmetal's), and microvascular. Knowing how the types differ is important. This is because they have different symptoms and require different treatments. Stable angina is the most common type of angina.

Why Beta blockers are contraindicated in variant angina?

Beta-blockers can increase coronary artery spasm and cause chest pain so they are contraindicated in these patients. Management includes cessation of smoking, avoidance of aspirin that may cause spasm, and the use of high doses of nitroglycerin and calcium antagonists.

What does prinzmetal's angina feel like?

Not a Heart Attack, But May Feel Like It

As with typical angina, people with Prinzmetal angina will often describe one or more of several symptoms, including chest tightening, squeezing, pressure, fullness, a weight or knot in the chest, aching, or a burning sensation.

What is the best exercise for angina?

What type of exercise should I do? Aerobic exercises will provide the most benefits because they make your heart beat faster and you breathe more quickly. You could try walking, cycling or a living room workout at a level that suits you.

Can angina pectoris be cured?

What type of treatment you are offered will depend on how severe your angina is. Though there is no cure for coronary heart disease or way to remove the atheroma that has built up in the arteries, treatments and changes to your lifestyle can help to prevent your condition and your symptoms from getting worse.

How do you prevent angina pectoris?

Can I prevent angina?

1. stop smoking.
2. control high blood pressure.
3. reduce your cholesterol level.
4. be physically active.
5. achieve and maintain a healthy weight.
6. control your blood glucose if you have diabetes.
7. eat a healthy, balanced diet and only drink moderate amounts of alcohol.

What is first line treatment for angina?

Beta-blockers are an appropriate first-line medical treatment to relieve the symptoms of angina. Calcium channel blockers or long-acting nitrates may be appropriate for those who do not tolerate or who have contraindications to beta-blockers.

Why is angina worse at night?

Angina decubitus is angina that occurs when a person is lying down (not necessarily only at night) without any apparent cause. Angina decubitus occurs because gravity redistributes fluids in the body. This redistribution makes the heart work harder.