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Oct 9, 2023 · A heart attack occurs when the flow of blood to the heart is severely reduced or blocked. The blockage is usually due to a buildup of fat, cholesterol and other substances in the heart (coronary) arteries.
Feb 15, 2022 · A heart attack happens when blood flow to the heart is blocked or cut off. If there’s not sufficient oxygen-rich blood flowing to the heart, it can cause damage to the...
Sep 21, 2023 · A heart attack happens when something blocks the blood flow to your heart so it can’t get the oxygen it needs. It’s a medical emergency. Call 911 right away at the first sign of any symptoms....
Dec 2, 2022 · Cardiac ischemia is decreased blood flow and oxygen to the heart muscle. When damage or death to part of the heart muscle occurs due to ischemia, it’s called a heart attack, or myocardial infarction (MI). About every 40 seconds, someone in the United States has a heart attack.
May 15, 2024 · A heart attack, also called a myocardial infarction, happens when a part of the heart muscle doesn't get enough blood. The more time that passes without treatment to restore blood flow, the greater the damage to the heart muscle. Coronary artery disease (CAD) is the main cause of heart attack.
May 15, 2024 · Many people have warning symptoms that happen hours, days or weeks in advance. For example, chest pain or pressure that keeps happening and doesn't go away with rest may be an early warning sign of a heart attack. Never ignore heart attack symptoms, even if they don't seem serious.
What is a Heart Attack? A heart attack is scary. If you’ve had one, or are close to someone who has, you’re not alone. Many people survive a heart attack and go on to enjoy productive lives. Learn more about heart attacks. Warning Signs of a Heart Attack. Heart Attack Treatment. Life After a Heart Attack.
Mar 24, 2022 · Symptoms. Last updated on March 24, 2022. A heart attack is a life-threatening medical emergency that requires immediate treatment. Learn about prevention, symptoms, causes, and treatments for heart attacks.
Feb 15, 2024 · A heart attack (myocardial infarction) is a medical emergency where your heart muscle begins to die because it isn’t getting enough blood flow. A blockage in the arteries that supply blood to your heart usually causes this. If a healthcare provider doesn’t restore blood flow quickly, a heart attack can cause permanent heart damage and death.
Learn about the causes of a heart attack, how a heart attack is diagnosed, treated and how to take care of yourself at home and in the hospital.
