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Effective: Summer 2014

Prerequisites: Prerequisite: DMS 50A.
Grade Type: Letter Grade Only
Not Repeatable.
FHGE: Non-GE Transferable: CSU
2 hours lecture. (24 hours total per quarter)

Student Learning Outcomes -
  • Calculate/solve mathematical equations related to ultrasound physics.
  • Describe propagation of sound waves characteristics.
Description -
Principles of diagnostic ultrasound, wave characteristics, artifacts, propagation, acoustic variables, and review of mathematical skills. Intended for students in the Diagnostic Medical Sonography Program; enrollment is limited to students accepted in the program.

Course Objectives -
The student will be able to:
  1. utilize basic mathematical skills by solving equations.
  2. describe propagation of sound waves.
  3. discuss wave characteristics.
  4. describe artifacts.
  5. explain beam intensities.
Special Facilities and/or Equipment -
DVD/TV, internet access, computer, monitor, viewboxes.

Course Content (Body of knowledge) -
  1. Math review
    1. algebraic equations
    2. metric system
    3. logarithms
    4. decibels
    5. limited trigonometric functions
  2. Principles of sound waves and how they propagate.
    1. Defining sound, ultrasound, and waves
  3. Sound parameters and acoustic variables.
    1. 7 parameters of sound
  4. Interaction of sound in various media.
    1. pulsed sound introduction
    2. pulsed sound parameters
    3. intensity
  5. Beam intensities.
    1. sound interaction in media
    2. range equation
  6. Artifacts.
    1. reverbration
    2. mirror artifact
    3. shadowing
    4. enhancement
    5. critical angle
    6. side lobes
Methods of Evaluation -
  1. Written quizzes
  2. Midterm
  3. Comprehensive final.
Representative Text(s) -
Hedrick, Wayne, Technology for Diagnostic Sonography, St. Louis: Elsevier Publishing, 2013.
Hedrick, Wayne, Study Guide and laboratory Exercises, St. Louis: Elsevier Publishing, 2013.

Disciplines -
Diagnostic Medical Technology
Method of Instruction -
Lecture presentations, classroom discussions, and homework.
Lab Content -
Not applicable.
Types and/or Examples of Required Reading, Writing and Outside of Class Assignments -
  1. Read text assignments
  2. Complete written sections on tests.