body is the aorta. When under a great amount of pressure‚ the aorta can bulge‚ creating an aneurysm (Figure 1); this usually occurs in a weak part of the artery. Aneurysm is derived from the Greek term "aneurysma"‚ which means dilation. An abdominal aortic aneurysm (AAA) is a widening in one part of the abdominal aorta. This paper will cover how an aneurysm is developed and diagnosed‚ different types of aneurysms‚ clinical values‚ stages of aneurysms‚ what the risk factors are‚ who is at risk‚ treatment
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repair of a tear in the aorta‚ the vessel that carrier blood out of the heart to the rest of the body. A difference in blood pressure between arms or the loss of blood pressure in one arm is an evidence of this kind of tear‚ known as a dissecting aortic aneurysm. He dies on the operating table. The next patient’s case was a middle-aged woman who comes to the hospital with a fever and difficulty breathing. When her fever spikes and her white blood cell count soars‚ the team gets a CT scan of the chest
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There are two types of aortic valve diseases: regurgitation and stenosis. Aortic regurgitation is a condition in which blood flows backward from a weak or widened aortic valve into the heart’s left ventricle. Aortic Stenosis is a narrowing or blockage of the aortic valve. This happens with the valve leaflets become coated with deposits. Since this is makes the aortic valve smaller‚ the left ventricle has to work harder in order to get the same amount
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Aortic aneurysm is a condition in which silent and irreversible focal dilations of aortic wall is occurred due to loos of the wall integrity (1). Abdominal aortic aneurysm (AAA) is a type of aortic aneurysm that is associated with high risk of mortality ‚ each year in US the AAA causes 4500 death and it is the 14Th cause of death (2). Thoracic aortic aneurysm (TAA) is another type of aortic aneurysm that is quiet rare with a prevalence of 5-10 per 100‚000 in UK (3) . Most of the time AAA and TAA
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Conclusion Abdominal aortic aneurysm is a common and potentially fatal disease affecting mostly men over the age of 60 years old. An abnormal enlargement of the abdominal aorta‚ AAA has been called the “silent killer” disease due to its asymptomatic findings. Fortunately with the use of radiologic imaging‚ AAA can be detected‚ monitored‚ and treated. The combination of radiographs‚ ultrasound‚ CT‚ MRI‚ and angiography allow for the management and treatment of AAA. Computed tomography is
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Technology in Practice Part II: Intra-Aortic Balloon Pump Background of Technology Before tThe intra-aortic balloon pump (IABP) became a successful piece of technology‚ it was first introduced by Harken in 1958 in hopes of treating left heart failure (IABPumpers‚ 2006). Harken thought that by removing a certain amount of blood from both femoral arteries during systole‚ and rapidly replacing it during diastole‚ he could augment the cardiac output and increase coronary perfusion. However
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MITRAL VALVE DISEASE MITRAL STENOSIS Mitral stenosis is almost always rheumatic in origin‚ although in the elderly it can be caused by heavy calcification of the mitral valve apparatus. There is also a rare form of congenital mitral stenosis. In rheumatic mitral stenosis‚ the mitral valve orifice is slowly diminished by progressive fibrosis‚ calcification of the valve leaflets‚ and fusion of the cusps and subvalvular apparatus. The flow of blood from left atrium to left ventricle
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Abdominal Aortic Aneurysms (AAA) are usually asymptomatic and found incidentally on ultrasound‚ CT‚ or on physical exam as a pulsating abdominal mass. If becoming symptomatic‚ most commonly it presents as mid-abdominal pain that radiates to the lower back. Pain could be constant or intermittent‚ or be worse with pressure applied to the area. Severe pain and a tearing sensation felt in the back is associated with dissection and should be treated as an emergency. AAA are more often found in older males
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Sarcoplasmic Reticulum – Where would you find it‚ and what does it do? A Comparison of Aortic Smooth and Ventricular Muscles in the Sarcoplasmic Reticulum Shelby MacGougan – 20555354 Section 123 T.A: Gabriella A Comparison of Aortic Smooth and Ventricular Muscles in the Sarcoplasmic Reticulum The sarcoplasmic reticulum (SR) is a crucial factor of muscle contraction and relaxation in the body caused by inhibiting agents in the SR‚ known as cyclopiazonic acid and thapsigargin (Nomura & Asano
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I would ever have to conquer through. I was diagnosed with an abdominal aortic aneurysm. It all started when my parents had taken me to a dentist appointment. While we were at the dentist appointment‚ we had discovered through x-rays‚ my orthodontist told me that I needed surgery. My family was very confused on why I would need to go get surgery but they still took me. When my parents had discovered I have an abdominal aortic aneurysm‚ I had never seen my parents so broken and sad. In fact‚ doctors
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