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Prerequisite Prep Tool

To earn an ARDMS credential, Applicants must choose and meet the requirements of a prerequisite. Review the Prerequisite Prep tool to help guide you through the prerequisite selection process and to select a prerequisite that best meets your education and clinical ultrasound experience.

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Important Update on COVID-19

ARDMS is currently accepting, processing and approving applications for all ARDMS examinations. Pearson VUE our test vendor is open and operating, however at limited capacity and locations. Please visit the ARDMS COVID-19 page for the latest information.

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CME Audit selections have been made.

If your CME period ended on Dec. 31, 2019, please check MY ARDMS for your audit status.

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Currently Open & Upcoming Examinations

You can apply now for the following examinations.

​Examination ​Application Period Ready to Apply? ​Need More Info?
AB ​Year-Round Apply Now ​Learn More
BR ​Year-Round Apply Now ​​Learn More
AE  Year-Round Apply Now ​​Learn More
OB/GYN ​ ​Year-Round Apply Now ​​Learn More​​
SPI ​Year-Round Apply Now ​Learn More
VT ​Year-Round Apply Now ​​Learn More
PE July 14, 2020 – September 22, 2020 Apply Now ​​Learn More
MSKS July 28, 2020 – October 6, 2020 Apply Now ​​Learn More
FE June 9, 2020 – August 18, 2020 Apply Now ​​Learn More
PS June 9, 2020 – August 18, 2020 Apply Now ​​Learn More
Ultrasound SmartBrief

Study evaluates ultrasound in carpal tunnel diagnosis


A study in Academic Radiology found that cross-sectional area was the ultrasound feature with the highest accuracy, specificity and sensitivity in diagnosing carpal tunnel syndrome, and combining CSA with median nerve stiffness at either of the measured sites and color Doppler imaging further increased diagnostic accuracy for carpal tunnel syndrome. "Although the ultrasound features did not differentiate all the stages of [carpal tunnel] severity, this study suggests the further validation of ultrasound features and standardization of assessment criteria for the use of ultrasonography as a supplement screening tool for [carpal tunnel syndrome]," researchers wrote. AuntMinnie (free registration) (9/16)

Ultrasound Jobs by ARDMS

Perinatal Sonographer | Medical University of South Carolina


Charleston, South Carolina, Reporting to Ultrasound Coordinator and under general physician supervision, the Perinatal Sonographer II performs advanced level obstetrical and gynecological diagnostic ultrasound procedures. Graduation from a school of Diagnostic Medical Sonography; or high school diploma or GED and clinical ultrasound/vascular experience as approved by the American Registry for Diagnostic Medical Sonography (ARDMS) or American Registry of Radiologic Technologists (ARRT) in OB/Gyn.  Current registration as a Registered Diagnostic Medical Sonographer in Obstetrics and Gynecology (RDMS OB/GYN) granted by the American Registry of Diagnostic Medical Sonographers (ARDMS) or  American Registry of Radiologic Technologists (ARRT) in OB/Gyn and NT credential required and remain in good standing.  Current Basic Life Support (BLS) required, either a certification from an American Heart Association (AHA) BLS for Healthcare Providers (or AHA recognized equivalent) or an American Red Cross CPR/AED for Professional Rescuer and Healthcare Provider.  To apply online go to