Angina: Types, Causes, Symptoms, and, Treatment

Angina is a sensation of pain, pressure, or tightness in the chest. It occurs when a portion of the heart does not get a sufficient amount of oxygen.

Angina is a symptom, not a disease. When one or more of the coronary arteries become thin or clogged, it typically results in ischemia. It frequently occurs as a sign of Coronary Heart Disease (CHD).

Angina by itself is not life-threatening, but it is an indication of heart disease and might resemble heart attack symptoms.

If angina strikes suddenly, does not go away, or does not improve with rest or medicine, seek medical assistance.

Types

There are various types of angina,

Stable Angina

Stable Angina or Angina Pectoris occurs when the heart works harder than usual, such as during exercise. Normally, it lasts for five minutes.

It has a typical sequence and might last for weeks, months, or even years. Symptoms usually improve with rest or medication.

Unstable Angina

Unstable Angina does not have a predictable sequence and usually strikes while you are at rest. Atherosclerosis, a condition in which blockages reduce blood flow to the heart, is the main cause.

The pain may develop with time and last for more than five minutes. Rest and medication alone may not be sufficient to relieve the symptoms. Unstable angina can indicate a possible heart attack. Sudden onset of angina requires prompt emergency care.

Microvascular Angina

Microvascular Angina (MVD) may result from coronary microvascular disease. This impacts the tiniest coronary arteries.

In addition to chest pain, a person may feel:

• Tiredness and low energy issues
• Sleeping issues
• Breathing difficulty
• Stable angina is more transient than microvascular angina. It frequently goes on for more than 10 minutes and occasionally for up to 30 minutes.
• Variant angina
• Angina variants are uncommon. Prinzmetal angina, as it is also known, can occur when the body is at rest, typically at midnight or early in the morning.
• It occurs when the coronary arteries go into spasm, often triggered by factors such as cold exposure, stress, certain medications, smoking, or cocaine use. Although the condition is chronic, medicines can help manage it.

Variant Angina (Prinzmetal Angina)

Variant Angina, also known as Prinzmetal Angina, is not caused by coronary artery disease but rather by a spasm in the heart’s arteries. This spasm temporarily restricts blood flow, leading to intense chest pain. The condition typically occurs in cycles, often while at rest or during the night. Angina medication can help relieve the pain.

Symptoms

Any of the following chest feelings can be a sign of angina:

• Squeezing
• Pressure
• Heaviness
• Tightening
• Across the chest, generally beneath the breastbone, with a burning or hurting sensation. Frequently, the neck, jaw, arms, shoulders, throat, back, or teeth will all experience pain.

Other potential signs include

• Indigestion
• Heartburn
• weakness
• Nausea
• Perspiration
• Cramps
• Shortness of breath
• These symptoms can last for a while, depending on the type of angina.

Symptoms in Females

Besides acute chest discomfort, a female with angina may also experience the following:

• Nausea and vomiting
• Exhaustion
• Loss of breath
• Abdominal pain

Causes

In most cases, coronary artery disease is the primary cause of angina.

• The coronary arteries deliver blood rich in oxygen to the heart. The arteries effectively narrow as cholesterol builds up and hardens into plaques on the artery wall.
• Smoking and artery damage are two other factors that raise the risk of plaque deposition.
• It is more difficult for oxygen-rich blood to reach the heart when the arteries are narrowed. Moreover, plaques might disintegrate into clots that clog the arteries.
• The heart muscle cannot function correctly if oxygen can’t get to the heart through the blood. It results in angina.

Risk Factors

Angina may appear as a result of the following:

• Stress
• Excessive alcohol or recreational drug use
• Smoking
• Exposure to airborne particles
• Low level of exercise
• An unhealthy diet
• High levels of cholesterol
• Obesity or excess weight
• Genetics
• Heart disease, diabetes, low blood pressure, metabolic syndrome, and anemia are all examples of conditions
• Specific medical procedures and treatments

Diagnosis

A proper diagnosis is crucial since it can indicate whether a heart attack is likely to occur. The doctor might suggest one or more of the following tests if they think the problem is angina:

• Blood tests to measure levels of sugar, protein, fat, and cholesterol
• An Electrocardiogram (ECG) to monitor the heartbeat electrical activity and identify any oxygen-lacking
• A stress test that includes moving around, checking your blood pressure, and getting your EKG
• A nuclear stress test to look for changes in the heart’s blood flow during exercise
• An X-ray of the chest to see the internal organs
• Using dye and unique X-rays, coronary angiography reveals the interior of the coronary arteries.

Treatment

Angina treatment mainly works by helping more blood reach the heart and by reducing the chances of serious complications like heart attack or stroke. Doctors usually use a combination of medicines, medical procedures, and lifestyle changes.

Medicines

Medicines help relieve chest pain and prevent future attacks. Some medicines work quickly to stop an angina episode when it starts. Others are taken daily to reduce how often symptoms happen. Certain medicines also lower the risk of heart attack or stroke by controlling cholesterol and preventing blood clots. These medicines may also relax and widen blood vessels so that more blood can reach the heart.

Medical Procedures

If the heart arteries are narrow or blocked, doctors may recommend procedures to improve blood flow. One common method uses a small balloon to open the artery. A tiny mesh tube may also be placed to keep the artery open. In some cases, surgery may be needed to create a new path for blood to reach the heart muscle.

Lifestyle Changes

Healthy daily habits are an important part of treatment. Eating heart-healthy foods, staying physically active, quitting smoking, and limiting alcohol can improve heart health. Managing other health problems like high blood pressure, diabetes, and high cholesterol also helps reduce symptoms and risks.

Treatment Goals

The main goals of treatment are to reduce chest pain, prevent frequent attacks, improve quality of life, and lower the risk of heart attack and other complications. Your doctor will decide the best treatment plan based on your condition and overall health.

Prevention

The following measures can help avoid angina:

• First, having a varied, nourishing diet and being “heart-healthy.”
• Avoid or give up smoking
• Exercise on a regular basis
• Practice stress management techniques
• Cardiovascular disease and other symptoms of metabolic syndromes, such as high blood cholesterol, high blood pressure, diabetes, and obesity, should be treated consistently and effectively in people.

Who Can Diagnose Angina?

A cardiologist can assist in identifying the root problem and developing the best treatment plan.

Frequently Asked Questions