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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“The Broken Heart” Analysis In John Donne’s poem‚ “The Broken Heart”‚ Donne shows the predacious nature of love and the true faintness of the heart through the use of metaphors. This poem sets a mood of despair and sorrow; moods that reveal the regret of love. It opens the reader’s eyes to realize just how vulnerable the heart can be when dealing with love. Donne associates love with the negative; he portrays it as some evil entity that overtakes people without warning and‚ if not careful‚ destroys
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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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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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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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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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Heart Valve Transplants The heart‚ the most important organ in the body‚ plays a vital role in a supplying the body with all of the nutrients needed. Not only does the heart pump blood through the body‚ but it also carries oxygen to help the body function correctly and it allows for the removal of waste product. Because the heart is so essential to human body‚ its structure and function is equally as important. The heart is designed to pump blood through its chambers. The top two chambers
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