Interventional MR systems Assignment Example | Topics and Well Written Essays - 2250 words

Interventional MR systems - Assignment Example The most critical challenges in using this technique have thus been discussed followed by a conclusion. Keywords: Interventional MR, iMRI, intraoperative MRI, MRI, Magnetic Resonance, Operating Room, imaging Table of Contents: Introduction 3 Definition and Classification 3 Classification 5 Safety Considerations 7 Advancements 8 Improved MR scanner 8 Interventional pulse sequencing and adaptive imaging 9 MR compatible instruments, tracking and visualisation 9 Augmented reality introduced in surgical system 11 Challenges 12 Conclusion 14 References 15 Introduction Magnetic resonance or MR techniques are extensively used in the medical world for imaging purpose. Magnetic resonance imaging or MRI is reliable, precise and detailed. Also, advanced MRI implementation can culminate at three dimensional or 3D view of a patient’s tissue system. Previous to the development of interventional MRI or iMRI, most of the existing medical imaging technologies were primarily used for the purpose of diagnostic processes. But MRI proves to be more reliable than even the most advanced technologies like computerised tomography or CT scan (Blanco Sequeiros et al 2005). Therefore, experts are now considering expanded intraoperative usage of MR technologies, and iMRI has become a prime area of research in this field. In this paper, iMRI is defined and classified in a detailed manner. Next, safety considerations are discussed. After that, important advancements in the field of iMRI are discussed. Contextually, challenges in the way of optimizing iMRI are detailed. The paper ends in a concise conclusion. The overall discussions in this paper are focussed on iMRI and the technology of magnetic resonance is elaborated wherever deemed necessary. Definition and Classification Initially, magnetic resonance imaging or MRI was utilised to find out and examine greater intricacies of tissue structure. The primary aim was to understand patient morphology with the help of case specific detail s in furtherance with increase in scientific knowledge. Through the 1990s, research in magnetic resonance instrumentation targeted at finding out new methods to acquire detailed images more rapidly at higher resolutions to harness greater intricacy in understand patient condition and tissue abnormalities. The basic principle of the function of a conventional MRI device is shown in Figure – 1. (Coyne 2013; Brown and Semelke1999) Figure – 1: Basic function of a conventional MRI system (Coyne 2013) So conventional MRI and Interventional MRI (may also be referred to as intraoperative MRI) or iMRI are completely different techniques although the basic technology behind them is the same. MRI is used in a largely stationary environment to meet diagnostic aims. But iMRI aims at not only examining but also treating the abnormal tissues diagnosed or discovered during an operative procedure. Furthermore, iMRI can both guide and improve the treatment process, including procedures in an operation room (OR). (Blanco Sequeiros et al 2005; Lufkin, Gronemeyer, and Seibel 1997) Hushek et al (2008) state that iMRI applications have facilitated development of various improved ancillary devices and techniques that have enriched medical technology and biophysics holistically. For example, continuous research in the field of iMRI led to the invention of advanced pulse sequencing to establish a rapid imaging system with the help of an MR scanner. Furthermore, iMRI

Are Nietzsche's criticisms of morality convincing Essay

Are Nietzsche's criticisms of morality convincing - Essay Example According to him they were a dominant class that he calls â€Å"masters† who created a moral code that the subordinates in the society had to follow (Danto, 1994). Master morality is the morality of the strong willed. To those who practice master morality, the basic principle is that what is good is helpful and that which is bad is harmful. In the ancient times, the value or otherwise of an action was determined by its consequences. This basically implies that morality does not exist per se but rather, there are only moral interpretations of situations and occurrences. According to Nietzsche, the essence of morality is nobility. For the strong willed in the society that which is good is noble and powerful while the bad is weak, timid and cowardly. For the Master morality, the defining factor is the idea of what is good and later the nature of bad is defined as that which is not good. In master morality, open mindedness courage and an accurate sense of self worth are attributes that are highly valued. Hence, masters are creators of morality and master morality is self-determinant (Hooker, 2000). Master morality embodies living life to the fullest a completely natural human functioning. It has little concern for the outside and as such, lives a life free from external restrictions. Masters affirm themselves from the onset and then enforce their morality to everyone below them. Essentially, masters are more concerned about that which their self deems right. The other issues that are nonrelated are considered secondary and insignificant. In a way, the masters define what they want and everything else that is not aligned to their perspective and beliefs is non consequential. The ideals of the society and other people do not affect their morality. In fact, the superior people are not afraid to express their will to power. They are determined to let their self serving morality be the one that the others follow. Master morality does not let the will of the herds to determine their lifestyle and moral direction. On the contrary, these superior people consider the values of other people to be of little or no significance and their sole objective is to advance their self interests. Those who follow master morality subscribe to their self defined rules and are not bound by the values of the society or institutions. Thus, it is imperative that the masters craft their own reality and morality. Nietzsche argues that those who follow the master morality are the ones who determine the development of human race to higher levels. Even from the historical background, men who have had the greatest impact in the history of mankind are the strong-willed. The timid and weak simply do not have the capacity to make things happen. Transformation and authority requires a higher degree of self worth and belief in order to convince the followers (Ridley, 1998). Suffice to say, Nietzsche paints those who follow master morality as stiff necked people with a high sense of self imposed supremacy. They do not have room for reason as they deem their ideas to be the most superior of all. The masters are close minded and they do not have room to change their set beliefs. He further argues that these superior people do not even belief that new knowledge can make them revise their previous positions. Morality for the masters is a personal issue rather than a communal beliefs system. This means that those who practice

Gender Roles and Identity in Society Essay Example | Topics and Well Written Essays - 1250 words

Gender Roles and Identity in Society - Essay Example In this regard, this essay will discuss selected gender stereo type and its relation with gender roles. Similarly, it will provide insights on how gender roles have its long term effects in society. Gender roles put emphasis on the distinctions between males and females. It is a cluster of behavioral norms related with males or females. Similarly, it appears to be that the differences in male and female's gender roles are often caused by society and other instinctive causes. In view of these circumstances, majority of the researchers acknowledged that the behavior of an individual is a result of socially imposed sets of rules and values as well as biological attributes which may be genetically or psychologically related. More often than not, the rearing up of children and other stimulus, emphasize a sense of gender in order to keep up with its biological sex. Gender roles can be traced as early as infancy. A baby starts to behave in a gender stereotyped way before it is one. (Tomboy or Sissy. BBC News. Child of Our Time Programme Guide Series 2 Part 2). Babies are treated differently from one another. This can be easily noticed in baby clothes, because boys are hardly ever dressed in pink, because the color pink is associated and considered as "feminine." From this, it can be assumed that even at an age at which an individual's behavior is indistinguishable; it is pointed out that a child's sex must not be mistaken. Stereotypical sex related behavior like men's contempt or a woman's sympathy (Plant, King and Smith: The influence of gender and social role on the interpretation of facial expressions) or a male's aggressiveness or a female's passivity can be drawn partly from roles which are instilled during childhood. In line with this, a study have found out that even at the tender age of a child, a child begins to make gendered choices of toys(Tomboy or Sissy. BBC News. Child of Our Time Programme Guide Series 2 Part 2). It can be observed that often times, males are told that "boys don't cry" and as such, boys tend to favor cars, trucks and guns for toys, which supports being adventurous. Girls on the other hand, prefer dolls, and playhouses which promotes their nurturing qualities and they were able to imitate female homemaking roles. Consequently, as children grow up, boys and girls, based on the foregoing discussions can be seen that the choices made by them as to what fields of study, empl oyment or career were influenced by it. By adolescence, an individual also learns and accept roles as well as to socialize with others. These are allowed by different institutions like the family, school, community, government and media among others. The aforementioned institutions make it clear what individual behavioral norms of the child are expected from him or her. During adolescent, sports activities are encouraged, and as such, it elicits various attitudes toward sports and its orientation. A study shows that there is a consistent and stable stereotype in society (Alley and Hicks: Peer attitudes towards adolescent participants in male- and female-oriented sports.) The study further asserts that "to be feminine is to be communal or expressive, while to be masculine is to be agentic, instrumental and competitive. Consequently, this leads to the common notion that

HARD ROCK CAFE MODULE 1 CASE ASSIGNMENT OPM Essay

HARD ROCK CAFE MODULE 1 CASE ASSIGNMENT OPM - Essay Example 5. Layout Design: How their restaurants and stores should look on both the inside and outside; how the kitchen and behind-the-scenes should be laid out for maximum efficiency; how large the facility must be to accommodate their goals Besides just observation, there are a number of calculations that can be performed in order to measure the productivity of the kitchen staff and wait staff at Hard Rock. These include Wage Cost % (of sales), Total Labor Cost % (wages, insurance, retirement, superannuation, payroll taxes), Total Labor Hours (hours worked in each section measured against sales), Function Labour Charge-Out (need consistent mark-up on charge-out to service staff that caterers offer), Sick Days Taken (measure of morale and management skills), Labor Turnover (number of new staff in a time period—should be low), Average Length of Employment (success of keeping staff), and Average Hourly Pay (total payroll divided by all staff’s work hours). (Profitable Hospitality 2008) The purpose of this paper has been to identify how each of the 10 decisions of operations management is applied at Hard Rock Cafà © and note how the productivity of the kitchen staff and wait staff at Hard Rock would be determined. According to the resources accessed, the above describes how each of these tasks should be accomplished. â€Å"Key Performance Indicators for Restaurants, Cafes, Catering, Clubs & Hotels.† 2008. Profitable Hospitality. Online. http://209.85.165.104/search?q=cache:h35dnlZY4eIJ:www.profitablehospitality.com/public/88.cfm+%22measure+kitchen+productivity%22&hl=en&ct=clnk&cd=1&gl=usReferences â€Å"Key Performance Indicators for Restaurants, Cafes, Catering, Clubs & Hotels.† 2008. Profitable Hospitality. Online.

Digital multi-channel communication system Lab Report

Digital multi-channel communication system - Lab Report Example Immediately, the US embarked on a dominant move to out-compete the Russian mission and conquer the space. In a period of about ten years the exploration gathered the momentum. First; Alan shepherd went capricious in a Mercury shell while Genn John moved the globe 3 times in 1962 and finally Neil Armstrong set base on moon in 1969. Wilson S.K & Cioffi J (1991) Since this period, a mood of findings has been subdued over time, yet satellite has been relaying information from around the globe that has been termed as newsworthy. Satellite is an object that runs around a bigger object the reminiscent of a planet. The moon is a natural satellite, man on the extreme end has launched millions of satellites in space and they revolve around the Earth. The satellite consists of the broadcasting antenna, radio receivers as well as transmitters that enable the satellite to correspond with one or more opinion stations, known as control axis. Communications relayed to the satellite from a soil level are unlinked; messages transmitted from the outpost to Earth are down connected. Satellites have silver plates that recharge the power source stored in batteries. Some satellite uses fuel energy that changes compound energy into electricity. There are satellites that run on nuclear energy. Miniature propellers offer outlook, elevation, as well as forward mot ion parameters to develop and alleviate the satellite’s site in space. To supplement climate monopoly onboard, energy is needed. Specialized configurations accomplish the errands dispersed to the satellite. These mostly incorporate sensors competent of photographing a variety of signal lengths. Whereas ecological satellite demands optics, telecommunications satellites don’t. Ecological satellite remits statistics in binary format on a computer that translates the same numbers into geometric images. Gerven S.V and Compernolle D.V (2000) Communication satellite is a radio transmitter antenna that

Business Environment - Meeting global and local needs Coursework

Business Environment - Meeting global and local needs - Coursework Example The main purpose of this organisation type is to serve the community as a whole and delivering public benefits (Fletcher, 2005). Partnership: It is such an organisation type, which mainly comprise two or more partners in order to conduct a business. In this organisation type, the partners involved utilise the available resources and thereby share profits equally or proportionately (Fletcher, 2005). It is quite obvious that different stakeholders possess diverse needs along with objectives. An organisation mainly works towards meeting its predetermined goals along with the objectives of the stakeholders. It can be apparently observed that organisations mainly create a business plan, which helps in complying with the objectives of diverse stakeholders by a certain degree (Morris & Baddache, 2012). It is strongly believed that the stakeholders can be benefited only when organisations provide value added products to the customers. This will certainly make the stakeholders to obtain substantial profits and help them to obtain high dividends. Apart from these, the aforesaid aspect will also provide the employees with better salary. Furthermore, this will also boost the productivity of the organisations to meet customers’ demand and thereby serve the stakeholders effectively. The organisations can meet the objectives of the stakeholders by satisfying customers’ requirements, enabling such organisations to observe rise in profit margin. Thus, the formulation of an effective business plan will help the organisations to meet stakeholders’ objectives by a certain extent (Boutelle, 2004). One of the imperative roles along with responsibilities of an organisation is to serve customers in accordance with their respective demands and preferences. An organization must work under the boundaries of law. In this regard, the belief as well as the reputation of an organisation frames a vital part (Heslin & Ochoa, 2008). It is worth mentioning that an

Introductory Ethics Essay Example | Topics and Well Written Essays - 500 words

Introductory Ethics - Essay Example Kant cites another example of refusing to help others in pursuit of their projects. This maxim according to Kant easily passes the contradiction in conception test but fails to pass the final test of contradiction in will. According to this maxim it is our duty to help people sometimes but only to a certain extent, not in each and every given situation. Kant further cites the example of a perfect duty in keeping the promises you have made to others but actually have little intention of actually keeping the promise. There is a self-contradiction maxim in this intention of making a promise to achieve some kind of desired purpose, but with no intention of keeping it. The contradiction is in the fact that this maxim cannot become a Universal law, because it would then imply that one has to lie every time, in order to achieve the desired result. A.2. In the "murderer at the door" maxim Kant imagines a number of coincidences that may occur when you reply honestly to the murderer's questions. He states that when the person at the door is answering the questions of the murderer, whether the victim is at home, it is likely that the victim may have secretly left the house and thus will not get in the way of the murderer and as a result the murder might not take place at all.