Heart Attack What is a heart attack? -A heart attack occurs when blood flow to a section of heart muscle becomes blocked. If you don’t restore quickly, the section of heart muscle becomes damaged from lack of oxygen and begins to die. URL : http://www.nhlbi.nih.gov/health/dci/Diseases/HeartAttack/HeartAttack_WhatIs.html

Coronary artery disease What Is Coronary Artery Disease? Is a condition in which plaque builds up inside the coronary arteries. These arteries supply your heart muscle with oxygen-rich blood. Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. When plaque builds up in the arteries, the condition is called atherosclerosis. When your coronary arteries are narrowed or blocked, oxygen-rich blood can't reach your heart muscle. This can cause angina and heart attack. URL : http://www.nhlbi.nih.gov/health/dci/Diseases/HeartAttack/HeartAttack_WhatIs.html

How is it occur? Heart With Muscle Damage and a Blocked Artery Heart attacks occur most often as a result of a condition called coronary artery disease. (CAD). Plaque distract supplying oxygen and blood. That condition is CAD. URL : http://www.nhlbi.nih.gov/health/dci/Diseases/HeartAttack/HeartAttack_WhatIs.html Heart With Muscle Damage and a Blocked Artery

What do you have to do? CALL 911 QUICKLY. YOU MUST CALL IN AT LEAST 1 HOUR. OTHERWISE…