Maricopa Community Colleges  DMI232   20034-20085 
Official Course Description: MCCCD Approval: 03/25/03
DMI232 20034-20085 L+L 3 Credit(s) 5 Period(s)
Medical Ultrasound Physics and Instrumentation
Principles of ultrasound physics and instrumentation necessary for the performance of diagnostic sonographic examinations. Quality control materials and procedures. Biological effects of ultrasound energy.
Prerequisites: (HCC145 or equivalent), and (MAT122 or equivalent).
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
DMI232   20034-20085 Medical Ultrasound Physics and Instrumentation
1. Define and apply specific terms and physical units related to diagnostic ultrasound. (I)
2. Compare and contrast different acoustic wave properties and characteristics. (I)
3. Describe the physical principles related to Doppler ultrasound. (I)
4. Compare and contrast the different types of scan converters and digital imaging devices and their functions. (II)
5. Measure the accuracy of various ultrasound units using specific test objects. (III)
6. Perform test and calibration procedures on standard types of ultrasound equipment. (III)
7. Describe and demonstrate ultrasound equipment featuring A-mode, B-mode, Real-time, and M-mode imaging. (I)
8. Define and apply time-again compensation during sonographic procedures. (I)
9. Explain the potential biological effects of ultrasound and the standards for the safe practice of diagnostic ultrasound. (II)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
DMI232   20034-20085 Medical Ultrasound Physics and Instrumentation
    I. Acoustic Physics
        A. Terminology
        A. Terminology and physical units
          1. Bel and deciBel notation
        B. Acoustic wave properties
          1. types
          2. propagation characteristics
          3. frequency, wavelength, phases
          4. pulsed ultrasound
          5. intensity
          6. amplitude
          7. acoustic impedance
          8. attenuation
        C. Doppler physics
        D. Artifacts
      II. Instrumentation
          A. A-Mode
          B. Static B-mode
            1. bi-stable
            2. gray scale
          C. Real-time
            1. mechanical sector
            2. linear array
            3. phased array
            4. annular array
            5. duplex (Doppler)
          D. M-mode
          E. Scan converters
            1. analog
            2. digital
          F. Digital imaging
            1. image matrix
            2. image processing
            3. calculations
          G. Time-gain compensation
        III. Quality Control
            A. Test Objects
              1. resolution grids
              2. gray scale test
              3. AIUM standard 100 mm test
              4. tissue equivalent
              5. moving test
              6. Doppler tests
            B. Test and calibration procedures
              1. A-mode
              2. B-mode
              3. M-mode
              4. hard copy
          IV. Instrumentation
              A. A-Mode
              B. Static B-mode
                1. bi-stable
                2. gray scale
              C. Real-time
                1. mechanical sector
                2. linear array
                3. phased array
                4. annular array
                5. duplex (Doppler)
              D. M-mode
              E. Scan converters
                1. analog
                2. digital
              F. Digital imaging
                1. image matrix
                2. image processing
                3. calculations
              G. Time-gain compensation
              H. Test Objects
                1. resolution grids
                2. Gray scale test
                3. AIUM standard 100 mm test
                4. tissue equivalent
                5. moving test
                6. Doppler tests
              I. Test and Calibration Procedures
                1. A-mode
                2. B-mode
                3. M-mode
                4. hard copy
            V. Output Measurements and Biological Effects
                A. Acoustic output measurements
                  1. total power
                  2. spatial average versus spatial peak
                  3. temporal average versus temporal peak
                  4. spatial peak-temporal average (SPTP)
                  5. spatial average-temporal average (SATA)
                  6. spatial peak-temporal average (SPTA)
                  7. spatial peak-pulse average (SPPA)
                B. Biological effects
                  1. Mechanisms
                    a. thermal
                    b. cavitation
                    c. shear forces
                  2. epidemiologic studies
                  3. somatic
                  4. developmental
                  5. genetic
                  6. assessment of risk in diagnostic ultrasound
                  7. AIUM-NEMA standards
                  8. DHEW recommendations
            Go to Description    Go to top of Competencies    Go to top of Outline