What happens when a coronary artery becomes blocked?

What happens when a coronary artery becomes blocked?

A buildup of plaque can narrow these arteries, decreasing blood flow to your heart. Eventually, the reduced blood flow may cause chest pain (angina), shortness of breath, or other coronary artery disease signs and symptoms. A complete blockage can cause a heart attack.

What is it called when a coronary artery is blocked?

Coronary artery disease is a narrowing or blockage of your coronary arteries usually caused by the buildup of fatty material called plaque. Coronary artery disease is also called coronary heart disease, ischemic heart disease and heart disease.

What happens if arteries are blocked?

When one or more of the coronary arteries suddenly becomes completely blocked, a heart attack (injury to the heart muscle) may occur. If the blockage occurs more slowly, the heart muscle may develop small collateral blood vessels (or detours) for other coronary arteries to reroute the blood flow, and angina occurs.

What causes a blocked artery?

Clogged arteries are caused by atherosclerosis, which develops over time as plaques formed from fats, minerals, cholesterol, and more build up inside the walls of your arteries. These buildups cause the inner tunnels, called lumens, of the arteries to become smaller and narrower.

What causes artery blockage?

What Causes Clogged Arteries? Clogged arteries are caused by a buildup of plaque in your arteries. Plaque is usually made up of a few substances, including minerals like calcium, or fats and cholesterol. High cholesterol levels can lead to this buildup of plaques.

What happens when 3 arteries are blocked?

What are symptoms of heart blockages?

If a person has a heart block, they may experience:

• slow or irregular heartbeats, or palpitations.
• shortness of breath.
• lightheadedness and fainting.
• pain or discomfort in the chest.
• difficulty in doing exercise, due to the lack of blood being pumped around the body.

What are signs of a blocked artery?

Do clogged arteries cause any symptoms?

• Chest pain.
• Shortness of breath.
• Heart palpitations.
• Weakness or dizziness.
• Nausea.
• Sweating.