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Explanation of a heart attack

WebDec 23, 2024 · An ST elevation myocardial infarction (STEMI) is a heart attack that occurs when a major artery feeding into the heart is completely blocked, changing blood flow to the organ and the electrical current in the lower chambers. A STEMI is the most serious and deadly type of heart attack. WebOct 19, 2024 · The heart rate in atrial fibrillation may range from 100 to 175 beats a minute. The normal range for a heart rate is 60 to 100 beats a minute. Causes of atrial fibrillation. Problems with the heart's structure …

Angina: Symptoms, Causes & Treatment - Cleveland Clinic

WebDec 1, 2024 · 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 … roger marthan https://lamontjaxon.com

Heart attack - Symptoms and causes - Mayo Clinic

WebDec 2, 2024 · A heart attack occurs when a blocked artery prevents oxygen-rich blood from reaching a section of the heart. If the blocked artery is not reopened quickly, the part of the heart normally nourished by that … WebThe medical term for a heart attack is myocardial infarction. An infarction is a lack of blood flow to a part of your body, and myocardial means it’s happening in your heart muscle. Without enough blood flow, the affected part of your heart muscle starts to die. WebMar 20, 2024 · There is no permanent damage during a coronary artery spasm. While silent heart attacks aren’t as serious, they do increase your risk of another heart attack or … our lady of guadalupe patronage

Heart Attack - What Is a Heart Attack? NHLBI, NIH

Category:Coronary artery bypass surgery - Mayo Clinic

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Explanation of a heart attack

Spontaneous coronary artery dissection (SCAD)

WebA heart attack (myocardial infarction) happens when one or more areas of the heart muscle don't get enough oxygen. This happens when blood flow to the heart muscle is blocked. Causes of a Heart Attack The blockage is caused by a buildup of plaque in the arteries (atherosclerosis). Plaque is made up of deposits, cholesterol, and other substances. WebFeb 9, 2024 · Inflammation of the heart muscle (myocarditis) Infection of the heart valves (endocarditis) Weakened heart from any cause Drug overdoses or poisoning with substances that can affect your heart's pumping ability Risk factors If you have a heart attack, your risk of developing cardiogenic shock increases if you: Are older

Explanation of a heart attack

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WebThe heart is the center of the cardiovascular system. Through the body's blood vessels, the heart pumps blood to all of the body's cells. The blood carries oxygen, which the cells need. Cardiovascular disease is a group of problems that occur when the heart and blood vessels aren't working the way they should. Here are some of the problems that ... WebFeb 15, 2024 · 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 …

WebMay 21, 2024 · A heart attack usually is diagnosed in an emergency setting. However, if you're concerned about your risk of a heart attack, talk to your care provider. A cardiovascular risk assessment can be done to determine your level of risk. You may be referred to a doctor trained in heart diseases (cardiologist). WebHeart attack definition, damage to an area of heart muscle that is deprived of oxygen, usually due to blockage of a diseased coronary artery, typically accompanied by chest …

WebA heart attack causes a longer reduction in blood flow. During that time, part of your heart muscle begins to die. Another key difference is what makes the pain go away. Rest or medication (nitroglycerin) causes stable angina to go away within a few minutes. However, if you’re having a heart attack, rest or medication won’t ease your symptoms. WebNov 3, 2024 · Acute myocardial infarction, also known as a heart attack, is a life-threatening condition that occurs when blood flow to the heart muscle is abruptly cut off, causing tissue damage. This...

WebThe signs can include: Crushing chest pain or pressure and/or discomfort or pain elsewhere in the upper body, neck, or arms. Nausea. A cold sweat. Fainting or lightheadedness. …

WebOct 19, 2024 · Heart disease. Anyone with heart disease — such as heart valve problems, congenital heart disease, congestive heart failure, coronary artery disease, or a history of heart attack or heart surgery — has an … roger marshall military serviceWebAug 25, 2024 · Atherosclerosis reduces blood flow to the heart and other parts of the body. It can lead to a heart attack, chest pain (angina) or stroke. Coronary artery disease symptoms may be different for men and … our lady of guadalupe redondo beach caWebApr 13, 2024 · Overview. A heart attack (myocardial infarction or MI) is a serious medical emergency in which the supply of blood to the heart is suddenly blocked, usually by a … roger marshall band fort wayne