Maricopa Community Colleges  MRT265   19896-19962 
Official Course Description: MCCCD Approval: 06/25/96
MRT265 19896-19962 LEC 2 Credit(s) 2 Period(s)
Physics of Magnetic Resonance- Computer Tomography
An overview into the physics, equipment, physical design, and image characteristics of Magnetic Resonance (MRI) and Computerized Tomography (CT) imaging systems. Designed for radiologic technologists who wish to expand their knowledge of Magnetic Resonance and Computerized Tomography physics and instrumentation. Prerequisites: Graduate radiologic technologist American Registry of Radiologic Technologists (A.R.R.T.) or permission of instructor.
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MCCCD Official Course Competencies:
 
MRT265   19896-19962 Physics of Magnetic Resonance- Computer Tomography
1. Describe the physics and terminology associated with magnetic Resonance Imaging. (I)
2. Describe the components of a Magnetic Resonance Imaging system to include specific types of magnets, coils, image display and recording systems. (II)
3. Specify the ideal physical location and electromagnetic and magnetic shielding consideration in the design and construction of a Magnetic Resonance Imaging facility. (III)
4. Identify and explain the potential physical and biological hazards associated with Magnetic Resonance Imaging. (IV)
5. Describe the fundamental principles of operation associated with Computerized Tomography. (V)
6. Explain the four operational modes of Computerized Tomography Imaging systems and future designs. (VI)
7. Describe the components of a Computerized Tomography imaging system to include gantry assembly, x-ray tube, detector assembly, computer, collimation, image display and recording systems. (VII)
8. Identify and explain the image characteristics seen in a Computerized Tomography and Magnetic Resonance image. (VIII)
9. Identify and explain specific factors that influence the quality of Computerized Tomography and Magnetic Resonance images. (IX)
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MCCCD Official Course Outline:
 
MRT265   19896-19962 Physics of Magnetic Resonance- Computer Tomography
    I. Physics
        A. Historical perspective
        B. Electromagnetic spectrum
        C. Magnetic properties
        D. Resonance
        E. Nuclear spin and precession
        F. Magnetic resonance properties
          1. T1 relaxation time
          2. T2 relaxation time
          3. Free induction decay
          4. Spin density
        G. Inversion-recovery technique
        H. Inversion time (TI)
        I. Echo time (TE)
        J. Repetition time (TR)
        K. Spin-echo technique
        L. Spatial encoding
      II. Magnetic Resonance Imaging Systems
          A. Magnets
            1. Permanent
            2. Resistive
            3. Superconducting
          B. Secondary coils
            1. Shim coils
            2. Gradient coils
            3. R.E. probe
            4. Surface coils
          C. Image display and recording
            1. Fourier transformation
            2. Two and three-dimensional fourier transformation
            3. Laser printer
        III. Facility Design and Construction
            A. Physical location
            B. Electromagnetic shielding
            C. Magnetic shielding
          IV. Biological Effects
              A. Physical hazards
              B. Cellular effects
              C. Enzyme effects
              D. Nerve conduction
            V. Principles of Operation
                A. History
                B. Translation
                C. Tissue attenuation
                D. Image reconstruction
                E. Image matrix
              VI. Operational Modes
                  A. First generation
                  B. Second generation
                  C. Third generation
                  D. Fourth generation
                  E. Future trends
                VII. Computerized Tomography Imaging Systems
                    A. Gantry assembly
                    B. X-ray tube
                    C. Detector assembly
                    D. Collimation
                    E. Image display and recording
                  VIII. Image Characteristics
                      A. Hounsfield units
                      B. Image matrix
                      C. PIXEL
                      D. VOXEL
                      E. Gray scale
                      F. Windowing
                    IX. Image Quality
                        A. Spatial resolution
                        B. Low contrast resolution
                        C. System noise
                        D. Linearity
                        E. Spatial uniformity
                        F. Quality assurance
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