What is coronary artery disease?

Coronary artery disease is a narrowing or blockage of the arteries that supply blood to the heart. 

Reduced blood flow to the heart muscle due to a buildup of fatty deposits in the arteries leads to coronary artery disease. 

Over some time, reduced blood flow or a lack of oxygen may lead to a heart attack.

What is coronary artery disease?

Possible reasons:

When the main arteries that supply your heart with vital nutrients and oxygen through your blood narrow, you're exposed to what's called coronary artery disease. 

The causes of coronary artery disease are due to the formation of deposits, so-called plaques, which contain cholesterol that begins to deposit on the walls of the arteries, causing narrowing of the coronary arteries. 

Which leads to chest pain (angina) and shortness of breath, as well as a complete obstruction that may lead to a heart attack.

Risk factors:

High blood pressure, high cholesterol, diabetes, and obesity as well as smoking or having a strong family history of heart disease are some of the risk factors.

You may not have much ability to control the following CHD risk factors, so they are called non-modifiable risk factors:

Age: As you age, the risk of the narrowing of the arteries and an inability to supply enough blood to the heart increases.

Gender: Research shows that men are more likely to develop coronary artery disease than women, while the risk increases for women after menopause.

Family history: If either of your parents or grandparents has a history or history of heart disease, you are more likely to develop coronary artery disease, especially if they were exposed to it at an early age.

You can control modifiable risk factors which include the following:

Smoking: leads to atherosclerosis and the thickening of the arteries.

High blood pressure: It is called the silent killer because it affects the arteries if not controlled.

High levels of cholesterol in the blood: High blood cholesterol leads to increased formation of plaques on the arteries and a person is at risk of developing atherosclerosis.

Diabetes and obesity: Excess weight and high blood sugar levels increase other risk factors.

High blood pressure and an unhealthy diet.

Signs and symptoms:

Chest pain (angina): During exercise, you may feel a sudden tightness in your chest as if someone is pressing on it. 

This happens when your narrowed coronary arteries are unable to supply enough blood to your heart. This is called angina and is usually associated with physical or emotional stress.

Shortness of breath and fatigue: This occurs when there is not enough blood to meet the body's demands.

Abnormal heart rhythm (arrhythmia): When the heart does not get enough blood, this leads to a disturbance in the heart's electrical impulses, causing abnormal heart rhythms and rhythms.

Heart attack: Profuse sweating and pain radiating from your chest to your shoulders or arms along with shortness of breath are common symptoms of a heart attack. 

This is caused by a completely blocked coronary artery.


For the diagnosis of coronary artery disease, your doctor may recommend the following tests after recording your details in your medical record:

Electrocardiogram (ECG): An electrocardiogram can often reveal evidence of a previous heart attack or the presence of a current heart attack.

Stress test: This involves taking an EKG while walking on a treadmill or riding a stationary bike. 

This is known as a stress test. Another stress test, known as a nuclear stress test, helps measure blood flow to the heart muscle at rest and during stress.

Echocardiogram: An imaging test that a cardiologist uses to determine whether all parts of the heart wall are contributing normally to its pumping activity.

Cardiac catheterization or coronary angiography: A long, thin, flexible tube inserted through an artery, and helps a cardiologist discover the extent of blockages in the arteries. 

This type of treatment is called angioplasty in which either a balloon is used to widen a narrowed artery or a stent is inserted to keep the artery open.

Heart scan: CT scans can help monitor calcium deposits and buildup in the arteries that may lead to coronary artery disease.

We, at Medicare, provide you with all the necessary and appropriate diagnostics accurately and comfortably.

Treatment options:

At Medicare, a cardiologist in Dubai and Sharjah will provide the most appropriate treatments for coronary artery disease.

The specialist will recommend lifestyle changes as the primary treatment for coronary artery disease, and then prescribe medications and surgery, if needed. 

However, it is necessary to strictly control diabetes, high blood pressure, and high cholesterol and to stop smoking, and regular medical examinations are required.

If CHD leads to other complications, your cardiologist may recommend other procedures, such as angioplasty and stenting (percutaneous coronary intervention) or CABG.

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