We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Nobody downloaded yet

The Last Five Years Have Seen a Major Push for the Use of 3Tesla in Clinical Settings - Essay Example

Comments (0)
The last five years have seen a major push for the use of 3Tesla in clinical settings High strength magnetic field has become a prime topic of research in recent years. Current studies have shown that 3Tesla has captured almost entire market of imaging. Prior to this, 1.5T and below magnetic field strength were predominantly used…
Download full paper
The Last Five Years Have Seen a Major Push for the Use of 3Tesla in Clinical Settings
Read TextPreview

Extract of sample
The Last Five Years Have Seen a Major Push for the Use of 3Tesla in Clinical Settings

Download file to see previous pages... Benefits of 3T over old system have been discussed in detail further in the essay. 3T has provision for excellent imaging results of human body structures such as brain, abdominal organs, all the bony parts and abnormal masses (cancer). In addition, some complicated procedures such as diffuse tensor imaging (DTI) and MRI spectroscopy can also be administered easily with 3T (Haines & Quaddy, 2010, pp1-3). There is a scope of using many RF coils array for faster image processing in 3T. Basic physics of MRI and nuclear spin Here is a glance at the basic physics of MRI and correlation with nuclear spin. Magnetic field is a force generated by the electric currents or magnets. This force attracts other metallic and magnetic objects towards the field. Nucleus of the atom has magnetic properties. All the nuclei provide chemical information together throughout the magnetic field. Atomic chief constituents are proton, electron and neutron. They start revolving in an angular momentum. This is called as nuclear spin. This spin is suggestive of the direction of movements in magnetic field (James, 1998, pp1-31; Machann, Schlemmer&Schick, 2008, pp63-70). When two atoms come together in pair, they do not demonstrate a spin. However, in some nuclei, there are uneven number of protons and neutrons. These types of nuclei will have intrinsic angular momentum. In other incidences, when the unpaired nuclei spins are put in the magnetic field the magnetic field of the nucleus and surrounding field react with each other. These reactions are explained with Larmour frequency equations (James, 1998, pp1-31; Machann et.al., 2008, pp63-70). These nuclei momentums align either parallel or anti parallel with the surrounding magnetic field based on the law of quantum physics. Hence, this creates energy difference among the spins that in turn allows transition in between the states. Nucleus consumes energy and goes into excitement phase and further resting or relaxation phase. This relaxation period is important for calculation, as it indicates that any system requires equal time to go into relaxing phase after equal time of exciting phase throughout the magnetization. Total sum of the energy from every step transition is equated along with signal spatial frequency domain and spin density. This signal from spatial frequency is expressed into density in real place for the formation of MRI image (James, 1998, pp1-31; Machann et.al., 2008, pp63-70). Following picture shows the sample of 3T scanner machine with large bore. Picture curtsey- (Haines & Quaddy, 2010, pp1-3) Advantages of going to higher field Higher field means better imaging in shorter time. Transformation of scanning machines from1.5T to 3T also has many positive aspects: 1) SNR (Signal to noise ratio) The major advantage of using 3T technology is to have increased SNR, i.e. signal to noise ratio. “The FDA limits SAR by anatomical site based on the potential effects of heating” (Stafford, pp 1-5). SNR is almost double in 3T imaging. Raised SNR would certainly improve the image quality far better than before. In addition to this, higher SNR reduces the image acquiring time that helps in many ways such as reduced image producing time helps decrease the incidences of artefacts, especially motion. Many times posture of the patient for imaging makes him/her uncomfortable. Hence, reduced image acquisition time is quite helpful. 2) Spectral ...Download file to see next pagesRead More
Comments (0)
Click to create a comment
Major Pettigrew's Last Stand
The story is funny and messy as well as complicated. On the first page of the novel, Major Pettigrew , who has recently heard about his brother’s death opens the door of his house for Mrs. Ali, a shopkeeper at the local village store and cast a tearful eye on a dignified and elegant looking Mrs.
8 Pages(2000 words)Essay
UK employee relations have seen significant changes over the last 30 years. Evaluate the importance of these changes and how the
49). Meanwhile, the workplaces got less segregated by gender and ethnicity, and the hiring of ethnic minorities increased, as only 33% of firms had an ethnic minority working for them in 1980, a number which rose to 60% by 1998 (Millward et al., 2000, p. 43).
10 Pages(2500 words)Essay
Avatar: seen through five sociological perspectives
He was sent to continue the experiment his dead twin brother was supposed to undertake. To do that, he must use his brother’s avatar to win the hearts of the natives of Pandora, the Na’vi.
6 Pages(1500 words)Essay
Five Years Marketing Plan
The project deals with the 5 years marketing plan for a company in UK. The company that has been chosen is Hotel Chocolat. Hotel Chocolat is a well known chocolate making company which makes new types of chocolates (Hotel Chocolat, 2010). The company is one of those few companies which manufacture chocolates by growing the cocoa themselves (Hulten, Broweus and Dijk, 2009).
8 Pages(2000 words)Essay
Critically discuss the importance, applicability and effectiveness of nurse leaders' use of the five major conflict resolution
One of the several steps leaders in nursing can take in helping nurses and other healthcare workers in managing conflict is reminding them that conflict is normal and often unavoidable. The next step involves helping nurses to identify the various ways that they can respond to conflict; even though, people respond in different ways in different times with different people.
6 Pages(1500 words)Essay
Figure 1 below shows the price of Tin over the past five years. It can be seen from Figure 1 that the price of tin has fluctuate
The International Tin Research Institute is the organization which is committed to the overall development and expansion of the tin industry, which is mainly funded by smelters and producers (Kettle, 2013). This essay will concentrate on the prices of the tin industry, particularly during the financial crisis.
6 Pages(1500 words)Essay
The Next five years
Furthermore, Inductive-Consensual IS's are commonly used in everyday life. However, there are several situations that are appropriate for Inductive-Consensual IS and a procedure may be suitable for one set of special circumstances but is not appropriate for all.
18 Pages(4500 words)Essay
My life five years ago
Sometimes I feel like going back in those times and thus become a part of history itself. However I know this is easier said than done and would not be any easy by any stretch of imagination. I can just long for such feelings I have come to this
2 Pages(500 words)Essay
Giving economic circumstances over the last five years of how Tesco, Sainsbury and Morrisons have coped
The recession sent the sterling to a 24-year low against the dollar, with, with one pound buying $1.355.dollar. As recession hits UK, a fall in GDP is observed for the first quarter of 2012. If the GDP is up for three months, the economy is growing, but if it is
4 Pages(1000 words)Essay
Giving economic circumstances over the last five years of how Tesco, Sainsbury and Morrisons have coped
The 2008 economic crunch was caused by a shortage of finance which made buyers to go slow on purchasing goods as they feared the economic slump which could render them bankrupt if they did not economize
4 Pages(1000 words)Essay
Let us find you another Essay on topic The Last Five Years Have Seen a Major Push for the Use of 3Tesla in Clinical Settings for FREE!
Contact us:
Contact Us Now
FREE Mobile Apps:
  • About StudentShare
  • Testimonials
  • FAQ
  • Blog
  • Free Essays
  • New Essays
  • Essays
  • The Newest Essay Topics
  • Index samples by all dates
Join us:
Contact Us