WebbThe main heart chambers can become stiff, leading to back pressure on the smaller collecting chambers. This can sometimes worsen the symptoms of heart failure and lead to abnormal heart rhythms (atrial fibrillation). Blood flow from the heart may be reduced or restricted (called obstructive hypertrophic cardiomyopathy). Webb14 dec. 2024 · The term myocardial infarction (MI) means damaged heart muscle. If a main coronary artery is blocked, a large part of the heart muscle is affected. If a smaller branch artery is blocked, a smaller amount of heart muscle is affected.
Heart attack - NHS
Webb13 apr. 2024 · 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 blood clot. A … Webb8 jan. 2024 · Most often, a heart attack, also called myocardial infarction (MI), is a result of coronary heart disease (CHD).Coronary heart disease is a narrowing of the coronary arteries, which bring blood into the heart muscle. Coronary heart disease is most often caused by atherosclerosis, a buildup of fatty plaque on the artery walls. date dimension table csv download
Medical Terminology for a Heart Attack Study.com
Webb14 dec. 2024 · What Causes a Heart Attack? By definition, a heart attack is the result of blockage in an artery that supplies blood to the heart muscle. These blood vessels are called coronary arteries. You’ve probably heard … Webb10 feb. 2024 · Coronary microvascular disease (sometimes called small artery disease or small vessel disease) is heart disease that affects the walls and inner lining of tiny coronary artery blood vessels that branch … Webb17 mars 2024 · Heart attacks occur when there is a blockage in the artery that impedes the flow of blood into the heart. A massive heart attack may happen if blood flow is completely cut off by the... bivalent dictionary