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Coronary Artery Disease Sympathetic Nervous System
2,656 words... then give rise to further branching. Cardiologists refer to one, two or three vessel disease based on how many of these three arteries are significantly narrowed by atherosclerosis. However, patients can receive quadruple, quintuple etc, coronary bypasses if branches off of the three main arteries are bypassed as well. Coronary Artery Disease-Atherosclerosis affecting the coronary arteries. This may be asymptomatic, result in stable angina, unstable angina, acute myocardial infarction or car...
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Pulmonary Artery Vena Cava
1,945 wordsHeartthe human heart is a specialized, four-chambered muscle that maintains BLOOD flow in the CIRCULATORYSYSTEM. Located in the thorax, it lies left of the bodys midline, above and in contact with the diaphragm. It is situated immediately behind the breastbone, or sternum, and between the lungs, with its apex tilted to the body cavity's left side. In most people the apex can be felt during each heart contraction. At rest, the heart pumps about 59 cc (2 oz) of blood per beat and 5 l (5 qt) per mi...
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Divided Into Four Pulmonary Artery
3,525 wordsTheHheart Biology Histology The Human Heart. Abstract: Dorlands Illustrated Medical Dictionary defines the heart as the viscus of cardiac muscle that maintains the circulation of the blood. It is divided into four cavities; two atria and two ventricles. The left atrium receives oxygenated blood from the lungs. From there the blood passes to the left ventricle, which forces it via the aorta, through the arteries to supply the tissues of the body. The right atrium receives the blood after it has p...
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Red Blood Cells Pulmonary Artery
6,589 wordsForwards and backwards to the right and are at the same level of the fifth to eight dorsal vertebrae. The apex of the heart points downwards and forwards to the left and corresponds to the space between the fifth and sixth ribs. However, in thin people, the hearts apex may be pointing more downwards than to the left. Its atrial border corresponds to a line drawn across the sternum on a level with the upper border of the third costal cartilage. Its apex corresponds to a line drawn across the lowe...
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Childhood Sexual Abuse Percent Of People
1,662 wordsYou become terrified for no apparent reason; your heart feels as though it will beat right out of your chest; you sense an overall feeling of doom and you get dizzy. Am I dying, or am I just crazy? If you are crazy, then so are 2. 4 million other people in the United States. Panic disorder, one of many anxiety disorders, is a serious and potentially debilitating illness. This illness is treatable, however, only one-third of those who suffer will actually be treated. What is panic disorder? Panic...
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Kilometers In Diameter Mitral Valve
1,169 wordsReading Response Researchers have now concluded that a heart defect, called mitral valve prolapse is not as dangerous as it was previously pronounced. The defect is far less common and dangerous, only effecting about 5 percent of Americans. The syndrome, which is caused by the mitral valve flaps becoming elongated and floppy, letting blood flow backwards into the heart chamber. The defect may require surgery to prevent sudden death, stroke, heart failure, and abnormal heart rhythms that cause fa...
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