Routine CT scanning protocols Essay Example | Topics and Well Written Essays - 3250 words

Routine CT scanning protocols - Essay Example The protocols given below are used in the Department of Radiology and Molecular Imaging in king Abdul Aziz Hospital (KAH) in Saudi and in Sir Charles Gardean Hospital (SCGH) in Perth, WA. A 64-slice Siemens multi-detector computed tomography (MDCT) was recently introduced in KAH and is used for all CT procedures, including routine procedures. SCGH also has a 64-slice GE, which is used for all CT procedures. In any x-ray system, the energy of the x-ray beam depends on its tube potential (kVp). Changes in kVp results in changes in radiation dose, image noise and image contrast. Radiation dose can be reduced up to 30% if kVp is reduced from 120 to 100. In addition, lowering the kVp to 100 during CTA for PE improves visualization of sub segmental arteries (Kubo et al 2008). A study by Hausleiter et al 2006, showed that in a 64-slice CT cardiac procedure, a 100 kV protocol used instead of a 120 kV protocol along with an ECG gated technique, resulted in a 64% reduction in the effective dose. In liver imaging, 120 kVp is suitable and usually preferred than 140 kVp in order to reduce patient dose. Although it is said that that by reducing the kVp the image noise increases, the process leads to the improvement of tissue contrast (Laghi 2007). Kim et al 2009,  in their study, aimed to assess the effect on image quality and radiation dose with low-kilovoltage protocols by chest multidetector computed tomography (CT) examinations in adults.   The study included 210 patients (83 women and 127 men with a mean age of 56.1 years). These patients were randomly assigned to one of three protocol groups: (1) protocol A (the standard protocol) with 120 kilovolt (peak) (kV[p]) and 100 effective milliampere-second (eff mA s); (2) protocol B, with 100 kV (p) and 140 eff mA s; and (3) protocol C, with 80 kV(p) and 180 eff mA s. Each group had 70 patients. A marginal

Event Risk management (Summer Olympics in Brazil) Assignment

Event Risk management (Summer Olympics in Brazil) - Assignment Example Moreover, Al-Qaeda continues its underground operations. In the meantime, it is hard to know where these groups will hit next. Brazil is one of the countries with the highest number of Christian. Majority of the local population are Catholics. Terrorist groups have been using the religion aspect to try and widen the gap between the Christians and Muslim. Olympics attract people from different parts of the world. These are people who emanates from different cultural and religious backgrounds (Liotta & Miskel, 2012). This provides a platform for the terrorist group to stage an attack in order to drive a message to the whole word. The Olympics games are attended by high-level dignitaries who come from different parts of the world. Therefore, if the terrorists are able to stage an attack in such games, they can bring the whole world into a standstill due to the number of people who are likely to be affected. As a result, the organizing committee will be faced with a major problem of ensu ring that security of all those who will attend this noble event is guaranteed. Rio de Janeiro is a city that has one of the largest populations of people living in slums. In favela, drug abuse is a common practice. These are areas that are so insecure. Olympics will bring a lot of tourists in the country. Many of these people are likely to spend their time in tourist destinations such as beaches. The residents in favela are likely to take up this opportunity to rob these tourists as majority of them believe that they will have carried with them a lot of wealth. Currently, the government is already strained having spent a lot of money to host the World cup. In addition, the security apparatus are strained by the wave of violence and robbery in different parts of Brazil. Therefore, the number that can be committed to secure the areas that are likely to be visited by the tourists is very low. Therefore, problems of robbery, murder, rape, etc are likely to

Critically discuss the effectiveness of parliamentary and judicial Essay

Critically discuss the effectiveness of parliamentary and judicial cantrols over delegated legislation in the english legal system - Essay Example Legislation made by delegated legislation should be created in harmony with the purposes stipulated in the Act. The role of delegated legislation is to enables the UK Government to amend laws without waiting for new Acts of Parliament to be passed in the house. It`s worth noting that delegated legislation can also be used to create technical changes to a law, for instance altering sanctions in a given statute. Local Authority also has power confer to them under some statutes to enables them to create delegated legislation and also to make law that suits their area (Jayakumar, 2005, pg. 89). The delegated legislation offers a very important function in the making of laws in UK legal system as there exists more delegated legislation enacted every year than there exist Acts of Parliament. Moreover, delegated legislation has similar legal standing as the Act of Parliament which it was made. These are clear justifications that the question of effectiveness of judicial and parliamentary control over the delegated legislation is a weighty issue to examine in the UK legal system. It would be inappropriate to assume that parliamentary control over delegated legislation is actually a burning issue in a country where most voters would probably be acquainted with what delegated legislation is about. It`s because of this that it is hard to come across members of any of UK parliaments ready to take much interest regarding the matter. Nonetheless it is of great significance, since unregulated delegated legislation provides a fertile field for UK government despotism as well as bossy interference by the bureaucrats. Therefore, it not wrong for one to say parliamentary control over delegated legislation is somehow ineffective. Delegated laws at times create much more effects on the lives of common citizens compared to most acts of parliament. In the UK, most delegated legislation

Event Risk management (Summer Olympics in Brazil) Assignment

Event Risk management (Summer Olympics in Brazil) - Assignment Example Moreover, Al-Qaeda continues its underground operations. In the meantime, it is hard to know where these groups will hit next. Brazil is one of the countries with the highest number of Christian. Majority of the local population are Catholics. Terrorist groups have been using the religion aspect to try and widen the gap between the Christians and Muslim. Olympics attract people from different parts of the world. These are people who emanates from different cultural and religious backgrounds (Liotta & Miskel, 2012). This provides a platform for the terrorist group to stage an attack in order to drive a message to the whole word. The Olympics games are attended by high-level dignitaries who come from different parts of the world. Therefore, if the terrorists are able to stage an attack in such games, they can bring the whole world into a standstill due to the number of people who are likely to be affected. As a result, the organizing committee will be faced with a major problem of ensu ring that security of all those who will attend this noble event is guaranteed. Rio de Janeiro is a city that has one of the largest populations of people living in slums. In favela, drug abuse is a common practice. These are areas that are so insecure. Olympics will bring a lot of tourists in the country. Many of these people are likely to spend their time in tourist destinations such as beaches. The residents in favela are likely to take up this opportunity to rob these tourists as majority of them believe that they will have carried with them a lot of wealth. Currently, the government is already strained having spent a lot of money to host the World cup. In addition, the security apparatus are strained by the wave of violence and robbery in different parts of Brazil. Therefore, the number that can be committed to secure the areas that are likely to be visited by the tourists is very low. Therefore, problems of robbery, murder, rape, etc are likely to

English Coursework Example | Topics and Well Written Essays - 2000 words

English - Coursework Example view is able to lend a certain degree of integrity to the story’s content because in a way, all the characters were given equal levels of attention. This is quite important because the story emphasizes the different struggles that each character went through and the third-person omniscient point of view is able to provide the reader with the opportunity to pick his or her own side. The short story that I wish to analyze is Kate Chopin’s â€Å"The Story of an Hour.† The overall theme of the story generally revolves around freedom, and, more specifically, women’s search for selfhood, for self-discovery or identity. This theme is aptly symbolized by the open window, out of which Mrs. Mallard could see patches of blue sky, the tops of trees that were signaling a new spring life, and the many other wonderful things outside of her window. All of these things represented a â€Å"new life† for Mrs. Mallard who has been under the clutches of her husband for a very long time. While Mrs. Mallard was stricken with grief at the initial news of her husband’s death, she was able to look at the situation at a whole new light upon looking out the window. Thus, the open window that presented a view into an entirely new life without her husband’s repression represented Mrs. Mallard’s supposedly new lease at life. The difference between a poem and a short story is that a poem is more imaginative, as it is driven with words that create more spontaneous, intuitive responses, while a short story oftentimes depends on descriptive language and logical structure. In addition, a poem adheres to rhythm while a short story can be a static flow of words. For example, the following lines from Alexander Pope’s â€Å"An Essay on Criticism† is very rich in imaginative, metaphoric, rhythmic language while the lines from â€Å"A Father’s Story† by Andre Dubus are very literal and static. Hearing the poem â€Å"We Real Cool† recited aloud by the author herself, Gwendolyn Brooks, provided

Sui Dynasty Essay Example for Free

Sui Dynasty Essay China is known for its diversity of dynasties which occur within history. Although China’s dynasties do not last forever, many of them have presented impressive advances in government, military, agriculture and economy. However, one dynasty in particular, the Sui Dynasty, remarks its significance with its accomplishments within such a short period of time. By the end of China’s northern and southern dynasties (386-589 C. E. ), the nation was left unified. In 581, Yang Jian, a prime minister of northern Zhou Dynasty, replaced the dynasty with Sui and appointed himself Emperor Wen. Therefore, Yang Jian’s replacement marked the beginning of the Sui Dynasty. Many historians and students claim that the Sui Dynasty was not a significant dynasty due to only lasting a brief thirty-eight years. Nevertheless, the new dynasty is rather extraordinary. Soon after the Sui Dynasty was founded, eight years later, the Sui court defeated the remaining southern dynasty of Chen and finally reunited the whole nation for once. This was not however the end of their actions. The Sui Dynasty developed a unique political system which executed organization within the citizens. Three Departments and Six Ministries were created; the first ever in Chinese history. The Three Departments could be compared to the division of the United States government with the separation of the executive, legislative and judicial powers (Chinese Sui Dynasty). Such departments are known as the Secretariat, the Chancellery, and the Department of State Affairs or the Zhongshu Sheng, Menxia Sheng and Shangshu Sheng. To illustrate, the job of Zhongshu Sheng is â€Å"transmitting the emperors intention, overseeing confidential files, and issuing government orders. † according to travelchinaguide. com. Meanwhile, the Menxia Sheng choose whether to keep or veto orders and Shangshu Sheng carried out orders from the previous departments. On the other hand, the Six ministries included: Ministry for Personnel (Li4 Bu), Revenue (Hu Bu), Rites (Li3 Bu), War (Bing Bu), Justice (Xing Bu) and Works (Gong Bu). For example, the Li4 Bu handled human resources like â€Å"appointing, dismissing, promoting, demoting, selecting, and evaluating state servants. † On the contrary, â€Å"Bing Bu chiefly took charge of the weapons and the books on strategies available for military officials and was also in charge of announcing military orders. (Chinese Sui Dynasty). In addition, these ministries under the Three Department branch of Shangshu Sheng, each controlled four additional departments called Si. In order to improve the selection of political office, the Jiupin Zhongzheng Hierarchical System was replaced with the Imperial Examination System that implemented studying, talent and political examinations. Unquestionably, the innovations injected organization and increased royal power with the limitations the political systems provided. Furthermore, to promote prosperity throughout the dynasty, the Sui developed two new polices known as the Juntian and Zutio System. In attempt to lower the gap between the rich and poor, the Juntian System provided equal divisions of fields depending on the number of people in each home (Sui Dynasty (581-618)). Pursuing this further, the Zutio System increased its governmental income through tax moderation. The changes promoted social economy likewise to agriculture growth. Similarly, advances in ship building helped agriculture rise too. To create a unifying ideology for the state, Emperor Wen introduced Buddhism and Daoism, although Confucianism had been already established. Wen even appointed Buddhist monks to high positions like political advisers (Duiker Spielvogel 256). Emperor Wen’s decision benefited the dynasty with cultural exchange among other nations. By the same time, Emperor Wen started the construction of a 1,400 mile canal known as the Grand Canal. Sui Yangdi, Wen’s son, finished it to set up a communication system within the north and south. Centering Luoyang, the auxiliary capital of the Sui Dynasty, the canal served multiple purposes like transportation, cultural exchange and economical purposes. The Beijing-Hangzhou Grand Canal continues to benefit people all over China† (Sui Dynasty (581-618)). In the light of advances, there is no doubt art took a toll of its own. During the Sui Dynasty, a stone arch bridge called Zhao Zhou Bridge was built by Li Chun which initiated the look on bridges for the future years to come. Also, Buddhist sculptures were well adored along with great the beginning of the porcelain industry. The combinations of all these aspects served as tools for the well-being of the dynasty. The Sui Dynasty lasted only thirty-eight short years. Emperor Wen’s unexpected death in 604 lead to second monarch, Yangguang taking the throne. Historically known as emperor Yang and a typical tyrant, he drove his own dynasty to an end with his ambition for power. Along with overworking the citizens and extreme shortage of food, one specific project of Yang’s destroyed the productive dynasty. Emperor Yang pressured war against Gaoli (modern day Korea) only to fill his own desire of success. Forcing men out of their farmland, families were destroyed and the agriculture and economy of the dynasty plummeted. After being defeated by Gaoli, the Sui Dynasty was left more unstable than ever before. As a result, the regime of the Sui Dynasty became rather unstable and in 618, when Emperor Yang was strangled by one of his subordinates, it completely collapsed. †(Chinese Sui Dynasty) Overall, the Sui Dynasty presented many accomplishments that either took longer to conquer or were never achieved by past dynasties. Improvements in agriculture, creation of economical polices, a new political system and the building of a communicational canal were some of the many projects that were impressively executed by the Sui Dynasty. This statement verifies that even though the Sui lasted less than forty years, the dynasty was by far significant.

A Good Man is Hard to Find Essay -- essays papers

A Good Man is Hard to Find Thesis: Bailey and his family discover the hard way just how ironic life can be. â€Å"A Good Man is Hard to Find† In â€Å"A Good Man is Hard to Find† Flannery O’Conner tells the story of a family in route to their Florida vacation and the trouble the grandmother gets them in. The grandmother does not want to go to Florida on vacation and tries many methods of changing her son, Bailey’s mind. Although she tries many methods, none of them have the effect on him she desires. Bailey is as stubborn as his mother, completely shutting the door on every proposition his mother makes. When she finally makes some progress in delaying their travels things go horribly. Bailey and his family discover the hard way just how ironic life can be. The grandmother uses many excuses for the family to go to Tennessee instead of Florida on vacation. The first of her many excuses is â€Å"The Misfit†, a serial killer that has escaped from prison and is headed toward Florida, claiming that she would never take her children anywhere near a man like that. This didn’t have the desi...