Coronary Heart Disease Overview The most common form of heart disease is Coronary disease (CHD)‚ and so this is the disease I will investigate. CHD refers to the build up of plaque in the arteries supplying oxygenated blood to the heart‚ also known as Atherosclerosis. The plaque is made up of cholesterol‚ fat and other substances found in the blood. When this build up of plaque occurs‚ the artery narrows‚ as shown in Figure. This will restrict blood flow to the heart‚ and so the heart will be
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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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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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destiny and‚ thus‚ discover the philosophical ideas through which Conrad achieves his purpose. The story that we are told in Heart of Darkness is actually a frame story full of symbolism that reveals some of the features by which modernist literature would come to be distinguished at the beginning of the 20th century. In that respect‚ the literary devices that are present in Heart of darkness‚ such as the relativism of perception heightened by symbolic density‚ the sharing of emotions with the reader
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Function of the Body: Heart Dissection This assignment will describe my personal experience whilst participating in a heart dissection. It will explain the internal and external heart structure and detail the structure of blood vessels in relation to their function. This assignment will also describe what I did‚ saw and felt during my participation. My first thought when the sheep’s heart was given to our group was how fatty it looked to be. At first glance‚ the heart seemed to be covered
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wrote such dark stories in his lifetime‚ one could assume the pain from the losses of his loved ones played a role. Writing in such darkness‚ could be his coping mechanism to dealing with all the loss and pain throughout his life. “The Tell-Tale Heart” by Edgar Allan Poe is suspenseful and detailed. The narrator starts off the story by telling the reader how he loves the old man and has nothing against him personally‚ except his “evil eye”. The narrator feels the need to free himself from this evil
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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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