19 The Cardiovascular System: The Heart 1. How is the heart positioned in the mediastinum? It rests on the diaphragm‚ near the midline of the thoracic cavity‚ with about two-thirds of the mass lying to the left of the body’s midline. 2. Which layer of the pericardium is both a part of the pericardium and a part of the heart wall? Serous pericardium 3. What is the function of pericardial fluid? Reduces friction between the membranes as the heart moves 4. From most superficial
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Heart disease Introduction What is heart disease? Heart disease or Cardiovascular disease is an abnormal function of the heart or blood vessels. It can cause an increase in risk for heart attack‚ heart failure‚ sudden death‚ stroke and cardiac rhythm problems‚ thus resulting in decreased quality of life and decreased life expectancy. The causes of cardiovascular disease range from structural defects‚ to infection‚ inflammation‚ environment and genetics. In order to help prevent cardiovascular
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Shark Attack (Summarizing and Note-taking) Read the story on this website: http://www.sciencecases.org/shark/shark.asp Answer the following questions: 1. Identify at least five organ systems in this region of the arm that the surgeon would have marked for reattachment. Cardiovascular‚ Muscular‚ Skeletal‚ Nervous‚ and Integumentary 2. List the names of the specific structures that had to be reattached. The axillary arteries had to be reattached. Bicep and tricep muscle
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right Before a heart Attack Your Body Will Give You These 4 Signs w3.newsmax.com Heart Failure Definition Heart failure is a condition in which the heart has lost the ability to pump enough blood to the body’s tissues. With too little blood being delivered‚ the organs and other tissues do not receive enough oxygen and nutrients to function properly. Description According to the American Heart Association‚ about 4.9 million Americans are living with congestive heart failure. Of these‚ 2.5 million
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Heart Dissection September 30‚ 2012 Introduction/Purpose In this lab experiment‚ I examined a pig’s heart and compared it to a human’s heart. The pig’s heart is very similar to a human’s heart by having the same structures‚ veins‚ valves‚ and chambers. I was unable to perform hands on examination on a human heart so I examined a pig’s heart. I was able to identify major areas of the heart and dissect it to examine the inside chambers and valves. This
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Coronary heart disease is a common term for the buildup of plaque in the heart’s arteries that could lead to heart attack. But what about coronary artery disease? Is there a difference? The short answer is often no — health professionals frequently use the terms interchangeably. However‚ coronary heart disease ‚ or CHD‚ is actually a result of coronary artery disease‚ or CAD‚ said Edward Fisher‚ M.D.‚ Ph.D.‚ an American Heart Association volunteer who is the Leon H. Charney Professor of Cardiovascular
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beyond the expected systolic pressure in order that the pulse disappears as the artery is closed by the pressure and the blood flow stops. Listening carefully to the Doppler‚ the cuff should be deflated slowly. The systolic pressure occurs as the heart is at the height of its contraction‚ producing the highest pressure of the cycle‚ which is recorded
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cause of death among women in the United States (US) is heart disease; it is also the leading cause of disability among women. Currently‚ “8 million women in the US are living with heart disease; 35‚000 are under the age of 65” (Women’s Heart Foundation‚ 2011). Among American women in 2005 over 36 million were age 55 or older increasing their risk of coronary heart disease (Garvin‚ Moser‚ Riegel‚ McKinley‚ Doering‚ & An‚ 2003). . Coronary heart disease claims the lives of over 200‚000 females yearly
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The purpose of this lab was to find my and my fellow classmates resting heart rate and record it. There were seven people in the class and we all participated in this study. There are four places to check heart rate and they are in your wrist‚ the inside of your elbow‚ the side of your neck‚ or the top of your foot. Everyone used the wrist or their radial artery. We used our middle and index fingers to gently feel for the radial artery in each others pulse. I then counted the pulse for 10 seconds
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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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