Male Technician Operating Ultrasound MachineEchocardiography utilizes ultrasound images to evaluate the function of the heart. This is used to visualize normal and abnormal structures and dynamics within the heart.



Program Overview

The DMS – Echocardiography Extension program is a post-baccalaureate certificate. Students entering this program must have graduated from a CAAHEP accredited Diagnostic Medical Sonography program and have earned a Bachelor of Science degree. The program is a 26 week program. The curriculum consists of online didactic courses and intensive clinical training in echocardiography.

The program is designed to meet the specific needs of all prospective students, including practicing sonographers. Any sonographer not meeting the program admittance requirements may enroll in didactic only courses in preparation for the Echo registry. An extensive Echo registry is also available within the program.

Program effectiveness data for the Diagnostic Medical Sonography program is available here (2016).


Clinical Sites

Students have availability of pre-arranged clinical sites in Springfield, Missouri. Contact the Program Director ( for additional information.


Application and Admissions

  • Applicants must be graduates of an accredited DMS program and be registered (or registry-eligible) by the American Registry of Diagnostic Medical Sonography or the American Registry of Radiologic Technologists.
  • Persons accepted into the program who are registered sonographers must have taken the Sonography Principles & Instrumentation examination.
  • Persons accepted into the program who are not yet registered must take the registry at the first available testing.
  • Minimum of 3.0 GPA in an imaging program or related degree.

Admission Deadline: April 30th
Interviews: May 1st-15th
Decisions Mailed: May 15th-31st


To apply to the Cox College Echocardiography Extension Program, the applicant should:

  • Complete the Cox College undergraduate application  and check “Bachelor of Science in Diagnostic Imaging”
  • Download and submit the Specialty Diagnostic Imaging program application
  • Submit all official transcripts (high school and college).
  • Submit a personal resume and two letters of recommendation.
  • Submit a copy of professional credentials (ARRT and ARDMS).


Tuition and Fees

Beginning Fall 2013, this post-baccalaureate certificate program is offered through the Bachelor of Science in Diagnostic Imaging (BSDI) degree program.  Current tuition and fees information is available here.  For additional tuition pricing and scholarship information, please contact the Bursar’s office.


Program Contacts

Michelle Masengill, M.Ed.

Chair & Assistant Professor

Office: 417-269-3063

Joelene Powell, MOL

Assistant Professor

Office: 417-269-8669

Tad Morris, MS

Assistant Professor

Office: 417-269-1074

The Commission on Accreditation of Allied Health Education Programs (CAAHEP) accredits programs upon the recommendation of the Joint Review Commission on Education in Diagnostic Medical Sonography (JRC-DMS) 6021 University Boulevard, Suite 500, Ellicott City, MD 21043, 443-973-5251,;Commission on Accreditation of Allied Health Education Programs (CAAHEP) 25400 US Highway 19 North, Suite 158, Clearwater, FL 33763, Ph: 727-210-2350, Fax: 727-210-2354,