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infarction
infarction blockage of blood circulation to a localized area or organ of the body resulting in tissue death. Infarctions commonly occur in the spleen , kidney, lungs , brain , and heart . The acute emergency known as myocardial infarction or heart attack is usually caused by a blockage in... Read more |
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ischaemic heart disease
ischaemic heart disease (IHD, coronary heart disease, CHD) n. a disease in which the supply of oxygen to the myocardium is inadequate, usually as a result of narrowing of the lumen of the coronary arteries by atheroma. The main symptom is chest pain of varying intensity. Untreated, it can lead to... Read more |
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myocardial infarction
myocardial infarction (MI) (my-oh-kar-di-ăl) n. death of a segment of heart muscle, which follows interruption of its blood supply (see coronary thrombosis). The patient experiences a ‘heart attack’: sudden severe chest pain, which may spread to the arms and throat. The main... Read more |
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lidocaine
lidocaine (lignocaine) (ly-doh-kayn) n. a widely used local anaesthetic administered by injection or by direct application for minor surgery and dental procedures. For dental surgery it is normally used in combination with adrenaline. Lidocaine is also injected to treat conditions involving... Read more |
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Myocardial diseases
Cardiomyopathy Definition Cardiomyopathy is a chronic disease of the heart muscle (myocardium), in which the muscle is abnormally enlarged, thickened, and/or stiffened. The weakened heart muscle loses the ability to pump blood effectively, resulting in irregular heartbeats (arrhythmias ) and... Read more |
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fibrillation
fibrillation (fy-bril-ay-shŏn) n. chaotic electrical and mechanical activity of a heart chamber, which results in loss of synchronous contraction. The affected part of the heart then ceases to pump blood. atrial f. (AF) a common type of arrhythmia that results in a rapid and irregular pulse... Read more |
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Emergency Medical Technician
Emergency Medical Technician An emergency medical technician (EMT) is a person who delivers the initial medical treatment to persons in crisis situations. Traditionally, EMTs are part of the medical team that travels by ambulance or helicopter to the site of the emergency... Read more |
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Ischemia
Ischemia Definition Ischemia is an insufficient supply of oxygenated blood to an organ, usually due to a blocked artery. Description Myocardial ischemia is an intermediate condition in coronary artery disease during which the heart tissue is slowly or suddenly starved of oxygen and other... Read more |
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Heart function tests
Myoglobin Test Definition Myoglobin is a protein found in muscle. Myoglobin tests are done to evaluate a person who has symptoms of a heart attack (myocardial infarction) or other muscle damage. Purpose Myoglobin holds oxygen inside heart and skeletal muscle (muscles that attach to and move... Read more |
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heart disease
heart disease any of several abnormalities of the heart and its function in maintaining blood circulation. Heart disease is the cause of approximately half the deaths in the United States each year. Among the most common causes of heart disease are degenerative changes in the coronary blood... Read more |
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