Online Courses

Principles of Doppler Physics

Price: $20.00 CE: 1.50
This course is accessible until 6/30/2021

Principles of Doppler Physics presents basic Doppler ultrasound, and its role and usefulness in evaluating the circulatory system. The Doppler equation will be analyzed, with emphasis on the angle and its impact on accurate velocity calculations. Potential sources of velocity measurement errors will be discussed.

NOTE: This activity may be available in multiple formats or from different sponsors. ARRT regulations state that an individual may not repeat and report a self-learning activity for credit in the same biennium.

This course reports to CE Broker

Upon successful completion of this course, participants will be able to

  1. Identify factors that affect volume flow rate. 
  2. Describe the use of Doppler ultrasound to evaluate blood flow velocities.
  3. Predict the effect of Doppler angle on velocity calculations.
  4. Identify sources of velocity calculations errors. 
  5. Demonstrate effective angle of insonation for most accurate velocity calculation.

Qualified Planners/Faculty

Katherine Borok, AA, AS, RDMS, RDCS

Kathi was clinical coordinator and physics instructor for the Sonography Program at Florida Hospital College of Health Sciences. She is registered in Obstetrics and Gynecology, Abdomen, Neurosonography, and Adult Echocardiography, and is currently completing a bachelor’s degree in Computer Sciences.

This author has disclosed that there are neither conflicts of interest nor commercial affiliation with this activity.

Charlotte Henningsen, MS, RT, RDMS, RVT

Charlotte Henningsen, MS, RT, RDMS, RVT, is the Chair of the Sonography Department at Adventist University of Health Sciences in Orlando, Florida. She also Chairs the Society of Diagnostic Medical Sonography (SDMS) Continuing Education Committee and is a member of their Conference Management committee. Charlotte has authored chapters on fetal anomalies in the Textbook of Diagnostic Ultrasonography by Hagen-Ansert and authored the OB/Gyn module of the SDMS National Certification Examination Review. In addition to her classroom teaching responsibilities, she continues to practice in a high risk OB clinic in the Maternal Fetal Center in Orlando.

This author has disclosed that there are neither conflicts of interest nor commercial affiliation with this activity.

Ruben Martinez, AS, RVT, RDCS

Ruben Martinez earned his registries from the American Registry of Diagnostic Medical Sonographers (ARDMS) in adult and pediatric echocardiography, as well as vascular sonography. In addition to his degree In Diagnostic Medical Sonography, he also holds a Master’s degree in Health Services Administration. His experience includes working at one of the largest cardiac hospitals in Florida, where he performed a variety of cardiac and vascular ultrasound examinations.

He worked for 6 years as a cardio/vascular ultrasound instructor for Adventist University of Health Sciences. Ruben has been heavily involved with the Central Florida Echo Vascular Society, serving as President and Advisor. As an active member of the Society of Diagnostic Medical Sonographers (SDMS), he serves on the Practice Management Committee. He is also a member of the American Society of Echocardiography (ASE).

This author has disclosed that there are neither conflicts of interest nor commercial affiliation with this activity.

490-B Boston Post Road
Suite 200
Sudbury, MA 01776
Phone: 800-334-2472
CE Credits: 1.5, Category: A ARRT, Expires: 6/30/2021
4052 Bald Cypress Way
Tallahassee, FL 32399-1741
Phone: 850-245-4266
CE Credits: 1.5, Category: 00 - Technical Approved, Expires: 1/31/2020

Completion Requirements: To receive continuing education credit commensurate with the credit awarded for this on-line activity, the participant must:

  • View all modules
  • Participate and pass all learning checks
  • Pass the Post Test(s) with a minimum score of 80%
  • Complete and submit the on-line evaluation

Certificates of Completion: will be available to print immediately upon finishing the completion requirements. You are encouraged to print and save your certificate for your portfolio as required by your licensing body. Interdisciplinary accredited activities, activities having multiple accreditors, will be listed individually on the Certificate of Completion.

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Electronic Record Retention: All activity records are kept on file for a minimum of six (6) years.

echelon® also chooses full disclosure with each activity to report any author conflicts of interest or commercial affiliation or support in conjunction with any activity.

Educational Health Care Team Members and Course Author Conflict of Interest: There have been no conflicts of interest disclosed by planners, authors, or presenters; nor has there been disclosure of any relevant financial relationships with any commercial companies or their products pertaining to this activity.

Commercial Company Support: The content of this activity was not developed with support from any commercial companies nor are there any staff commercial affiliations.