Heart valve replacements are more common than most people think. In the United States it is said that over 99‚000 heart valve surgeries are performed yearly. The majority of the valve replacement surgeries are to replace or repair the mitral or aortic valve‚ since the left side of the heart works harder than the right. There are several types of valve disease‚ the two most common are valvular stenosis and valvular insufficiency. Valvular stenosis occurs when the opening of the valve is smaller
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Aortic Valve Stenosis Aortic Valve Stenosis is the narrowing or obstruction of the heart ’s aortic valve. The aorta is a large artery that originates in the left ventricle (lower chamber) of the heart. The narrowing and obstruction of the aortic valve prevents it from opening properly and blocks the flow of blood from the left ventricle to the aorta and onward towards the rest of the body. Aortic valve stenosis occurs in approximately 5 out of every 10‚000 people.1 It occurs more commonly
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people and other resources to work together to accomplish a goal (Schermerhorn‚ 2011). However‚ what happens when there is no organisational structure? This is the theme of the “Valve Steams Ahead” case study in which this report is assessing. Using peer-reviewed sources and other research‚ an analysis will be made of Valve Software’s operations regarding their flat‚ unstructured organisational structure. This report will examine Valve’s emergent and spontaneous (Schermerhorn‚ 2012) structure particularly
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SPIN VALVE TRANSISTOR Technical Seminar Report Submitted in partial fulfillment Of the requirements for the award of the degree of BACHELOR OF TECHNOLOGY In ELECTRONICS & COMMUNICATION ENGINEERING By B.AVINASH (08C01A0426) . Department of Electronics and Communication Engineering
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What Valve does differently to manage and motivate people is basically by having no managers. Valve lets their employees pick their own projects they want to work on. Since Valve is a ‘Flatland’‚ employees pick which projects they want to help work on and can even be recruited by other employees to work on a project with them. You can even move your desk around to different places to work with different people on different projects. They motivate their employees by letting them be creative and
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William Butler Yeats is widely considered to be one of the greatest poets of the twentieth century. He belonged to the Protestant‚ Anglo-Irish minority that had controlled the economic‚ political‚ social‚ and cultural life of Ireland since at least the end of the seventeenth century. Most members of this minority considered themselves English people who merely happened to have been born in Ireland‚ but Yeats was staunch in affirming his Irish nationality. Although he lived in London for fourteen
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his works (“A Coat”‚ “The Fool by the Roadside”‚ “Two Songs of a Fool”‚ etc.)‚ Yeats is continually portraying the actions of humans towards love as foolish. Furthermore‚ "Cap and Bells came to Yeats in a dream most likely steaming from his obsessive infatuation he had for Maud Gonne. Being an acclaimed actress‚ Yeats most likely perceived Gonne as exceeding him in status; her queen and him the jester. Like many of Yeats poems‚ “The Cap and Bells” develops a lyrical tone full of emotion and images
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Coming’ is a particularly interesting focal point by which we empathise with Yeats’ despair at the breakdown of humanity and it affect on society (in particular Ireland). Conversely one may suggest that the concept of a ‘Second Coming‘ implies that Yeats feels hope for the future‚ as the title clearly alludes to the return of Christ thus suggesting the salvation of humanity. ‘September 1913’ is another poem in which Yeats expresses his despair at the changing society at the hands of the merciless
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Themes in Yeats’ poetry You can find many themes in Yeats’ poetry. Pick what suits your own study from the themes‚ comments and quotes listed below. There are 86 quotes used to illustrate themes on this page (although some of them are from poems outside the current OCR selection for AS Level). You will need only a short selection of these. 1. The theme of death or old age and what it leaves behind. Death of Patriotism‚ leaving selfishness as the norm: ‘Romantic Ireland’s dead and gone‚ It’s
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20th century. He received the Nobel Prize for Literature in 1923. Yeats’s father‚ John Butler Yeats‚ was a barrister who eventually became a portrait painter. His mother‚ formerly Susan Pollexfen‚ was the daughter of a prosperous merchant in Sligo‚ in western Ireland. Through both parents Yeats claimed kinship with various Anglo-Irish Protestant families who are mentioned in his work. Normally‚ Yeats would have been expected to identify with his Protestant tradition—which represented a powerful
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