Ultrasound Physics and Specialty Registry Exam Education, Training, and CME

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Frank has a wonderful gift of teaching sonographers how to understand and apply ultrasound physics principles. Instead of just telling attendees what they need to memorize, he scaffolds the material from simple to more complex. Frank then applies the information to real ultrasound examples. The mann....... Read More

Claudia Freeman


   
eCourse: Module 7A - Doppler System and Spectral Doppler
[dd-c19-m08-t265]

We begin this module by learning basic Doppler theory including deriving the Doppler equation from a discussion of the Doppler Effect. After developing the Doppler equation, we discuss how the Doppler equation is applied in ultrasound. We will develop the Doppler system block diagram so that Doppler controls can be understood in the greater context of performing a clinical exam. In this section we will discuss the Doppler controls of transmit, receiver gain, signal detection, the Doppler wall filters, video compression, the PRF, Doppler spectral processing, and the spectral display. After we have completed the block diagram we will then be ready to discuss basic spectral interpretation, angular effects, and the parameters affecting aliasing.

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