BLOCK 1: Basic Ultrasound Principles

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Learning Objectives By Lesson
Basic Definitions & Wave Characteristics

Explain basic definitions and nomenclature of ultrasound physics
Describe various sound wave characteristics
Describe how to calculate depth and how it is related to the relationship of speed, distance, and time
Define wavelength, frequency, and period
Describe the speed of sound in relationship to wavelength, period, and frequency

Attenuation, Intensity, & Impedance

Explain how the determinants of the sound wave affect resolution of the image and attenuation of the ultrasound beam
Describe the relationship between intensity and pressure
Explain what is meant by acoustic impedance
Describe how impedance matching can be helpful in the clinical use of ultrasound

Interactions with Matter (Part 1)

Interactions with Matter (Part 2)

Review the ways sound waves interact with matter
Describe the concept of scattering as sound waves interact with various media
Explain what is meant by speckle signature and why it varies for different organs
Describe the concept of absorption as it relates to sound waves
Describe the concept of attenuation as it relates to sound waves
Explain half value thickness and how to calculate as it relates to attenuation

Progress

Instructors

GCU Education Team
Physician Educators