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Magnetic Resonance Image(MRI)
Design & Technology
Pages 8 (2008 words)
Magnetic Resonance Imaging Abstract Magnetic Resonance Imaging has emerged as an important medical diagnostics tool in the last 20 years. The procedure consists of exposing the human body to a short duration pulse of very strong magnetic field. Under the influence of this magnetic field, Hydrogen protons in the water and fat molecules in the human body which are randomly aligned orient themselves in the direction of the magnetic field and spin on their axes.
The very large cost of MRI machines and their large size and specialized installation requirements acts as a deterrent to wider use of this technology. There is work underway that promises reduced costs and size of MRI machines, especially in the form of specialized machines for the scan of extremities such as wrists and ankles. The success of this effort could lead to wider use of the technology. Keywords: Magnetic Resonance Imaging, diagnostics, magnetic pulse 1. Introduction: The first Magnetic Resonance Image (MRI) was produced in 1973 and the procedure has now become a rapidly growing medical diagnostic tool for the medical profession. Over 30 million MRI procedures were done in the US in 2010 and new advances in technology is making specialized MRI procedures available for screening for a wider range of diseases and medical conditions each year. The human body can be considered to be essentially made up of three types of material; bone which is hard and made up of minerals such as calcium, soft tissue including muscles, flesh, blood vessels and organs such as liver, kidney, heart and lungs and fluids including blood and air. ...
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