18: The Cardiovascular System: The Heart You should be able to speak intelligently to all of these‚ but the bolded objectives are test material. Objectives Heart Anatomy 1. Describe the size‚ shape‚ location‚ and orientation of the heart in the thorax. 2. Name the coverings of the heart. 3. Describe the structure and function of each of the three layers of the heart wall. 4. Describe the structure and functions of the four heart chambers. Name each chamber and provide
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Open-heart surgery had been one of the largest life saving surgeries performed. The first successful open heart surgery was performed in 1952 by Dr. F John Lewis. He used ice to cool down the heart and slow circulation. The basis of heart surgery involves exposing the heart (open). The sternum must be sawed through to expose the heart. The heart cannot be left pumping during surgery. At first ice was used but now a heart lung machine is used. It involves hooking a tube up to the aorta. Blood goes
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Ischemic Heart Disease (IHD) Coronary heart disease (CHD)‚ also known as ’ischemic heart disease’‚ is the most common form of heart disease. There are two major clinical forms – heart attack (often known as ’acute myocardial infarction’ or AMI) and angina. Coronary heart disease is the term that describes what happens when your heart’s blood supply is blocked or interrupted by a build-up of fatty substances in the coronary arteries. Over time‚ the walls of your arteries can become clogged
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Heal Heart Attack Damage There is obviously immediate danger in a heart attack and it is important that it is attended to on an emergency basis. However‚ what most people do not know is that the part of the heart that is deprived of blood supply may have suffered irreversible damage. Scar tissue is formed. The Stanford University Study on Reversing Heart Attack Damage It has been known for some time that after a heart attack‚ some heart tissue may be essentially dead‚ which makes the heart less effective
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April Reed Dr. Ryder Finnegan English 1013 Composition 1 September 16‚ 2010 My Broken Heart I have a lot of wonderful memories from my childhood. Some of the best memories were the times I spent with my dad. He was a wonderful man‚ a gentle giant. His hands were strong and calloused‚ but his touch was as soft as his heart. He was the brightest star in the center of my universe. The day he died was the day my heart soul were irreparably broken. The bright star burned out for eternity‚ leaving my universe
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Heart and Respiration diseases What is a cardiovascular disease? Cardiovascular disease or heart disease is a class of diseases that involve the heart or blood vessels. Cardiovascular diseases are very deadly. It remains the biggest cause of deaths worldwide. Cardiovascular disease refers to any disease that affects the cardiovascular system‚ principally cardiac disease‚ vascular diseases of the brain and kidney‚ and peripheral arterial disease. The causes of cardiovascular disease
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Sharlyce Jones English 1301 November 22‚ 2012 Research Paper Word Count: Is there just One hero in Joesph Conrad’s “Heart of Darkness?” In the story “Heart of Darkness” there are a series of characters‚ but two particular men stand out; Marlow and Kurtz. Who is the hero; Marlow or Kurtz? Clearly both Marlow and Kurtz are the protagonists of the story; however‚ protagonist and hero are not always synonymous. Marlow is the hero in the traditional sense of the word‚ while Kurtz is the more modern
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Congestive Heart Failure Congestive heart failure is an older name for heart failure. Congestive heart failure takes place when the heart is unable to maintain an adequate circulation of blood in the bodily tissues or to pump out the venous blood returned to it by the veins (Merriam-Webster). The heart is split into two distinct pumping structures‚ the right side of the heart and the left side of the heart. Appropriate cardiac performance involves each ventricle to extract even quantities of blood
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to other causes of myocardial stress‚ which included trauma‚ disease‚ or other abnormal states (e.g. ‚ pulmonary embolism‚ infection‚ anemia‚ pregnancy‚ drug use or abuse‚ fluid over load‚ arrhythmia‚ valvular heart disease‚ cardiomyopathies‚ congenital heart disease) . 4. The New York Heart Association (NYHA) developed a classification system‚ still used today to quantify the functional limitations of CHF patients. The NYHA classes are as follows: a) Class I : Degree of effort necessary to elicit
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COM155-University of Phoenix COPD and Heart Disease Chronic Obstructive Pulmonary Disease (COPD) and heart disease are two of the deadliest chronic illnesses affecting the world’s population. These diseases have caused hundreds of thousands to lose their lives. With the death rate of heart disease and COPD rising‚ attention should be focused on these diseases and how we can prevent fatalities throughout the world. Educating the public about these diseases is vital in lowering the
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