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; individuals may not repeat and report a self-learning activity for credit twice 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(R), RDMS, RVT, FSDMS, FAIUM

Charlotte Henningsen has taught at Adventist University of Health Sciences for over 20 years. She has been a sonographer for 30 years and is also adjunct faculty to the Florida Hospital Emergency Medicine Residency Program the Florida Hospital Radiology Residency Program. She has served on the Boards of the Society of Diagnostic Medical Sonography (SDMS) and the American Institute of Ultrasound in Medicine (AIUM). She has also authored several articles published in the Journal of Diagnostic Medical Sonography, has written several chapters in textbooks, and co-authored the Clinical Guide to Sonography.

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

Ruben Martinez, EdD, RDCS, RVT

Ruben Martinez has served over 20 years in the healthcare education environment. During this time, he has had the opportunity to work as faculty in the specialty area of diagnostic medical sonography, provide administrative support for campus operations, and manage institutional resources as CFO. Ruben holds an AS in diagnostic medical sonography from AdventHealth University, a BS in computer science, and an MA in healthcare management from Webster University. He also has an EdD with emphasis in organizational leadership from NOVA Southeastern. Ruben is passionate about the impact of education and is committed to this cause.

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: 1/31/2023

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.

Non-Endorsement of Products: echelon®, as an accredited provider, has demonstrated proficient experience and viable resources to provide for valid and reliable evaluation of CE activities. The accuracy of the facts and opinions contained in this activity are the responsibility of the author(s) and do not necessarily reflect those of echelon® or its sponsors. Practitioners should consult primary resources, state regulations, and their healthcare facility policies and procedures for specific application of said content to their local situation. echelon® does not imply that there is real or implied endorsement of any product, service, or company neither referred to in this activity nor of any company subsidizing costs related to this activity. All information contained in this activity is for educational purposes only.

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.