Вопрос № 1072123 - Английский язык

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Infections present the second large class of causes of organic heart disease. Rheumatic fever, or rheumatic heart disease, associated with certain streptococcal («strep») infections, once headed the list. Syphilis, diphtheria, tuberculosis, typhoid, and other fevers can injure the heart. Fortunately, these diseases can usually be treated (or prevented) before they cause heart damage. Before the advent of antibiotics, bacterial endocarditis, in which the inner lining of the heart, the endocardium, is directly infected, was usually fatal.
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Which is the most serious infection that leads to organic heart disease?

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The most common and serious forms of organic heart disease are those affecting the coronary arteries, which supply blood to the heart. These diseases are usually associated with high blood pressure (hypertension) and hardening of the arteries (arteriosclerosis). A heart attack is usually a case of coronary thrombosis. Heart failure may be a late consequence of any of these conditions, or others. This group of heart troubles is predominantly, but not exclusively, associated with the middle and later years of life.
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What do forms of organic heart disease influence?

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The most common and serious forms of organic heart disease are those affecting the coronary arteries, which supply blood to the heart. These diseases are usually associated with high blood pressure (hypertension) and hardening of the arteries (arteriosclerosis). A heart attack is usually a case of coronary thrombosis. Heart failure may be a late consequence of any of these conditions, or others. This group of heart troubles is predominantly, but not exclusively, associated with the middle and later years of life.
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What do forms of organic heart disease influence?

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Infections present the second large class of causes of organic heart disease. Rheumatic fever, or rheumatic heart disease, associated with certain streptococcal («strep») infections, once headed the list. Syphilis, diphtheria, tuberculosis, typhoid, and other fevers can injure the heart. Fortunately, these diseases can usually be treated (or prevented) before they cause heart damage. Before the advent of antibiotics, bacterial endocarditis, in which the inner lining of the heart, the endocardium, is directly infected, was usually fatal.
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Which is the most serious infection that leads to organic heart disease?

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Infections are the chief cause of heart disease in childhood and early adult life.
Congenital heart defects, which develop before birth and are usually discovered shortly thereafter, account for about 2% of all heart defects. «Blue babies» have a congenital defect that permits the bluer venous blood to mix with arterial blood.
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When do congenital heart defects develop?

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Anemia signifies a decrease in the number of circulating red blood cells. It may be due to blood loss (open or hidden bleeding) or increased blood destruction (in the spleen), to faulty nutrition (e.g. lack of iron in the diet), poisons that depress the activity of the bone marrow, or other causes. Bone marrow, which makes blood, may be injured by heavy metal poisoning and some drugs, overdoses of X-ray, and tumors.