ARDMS awards the RDMS credential (Registered Diagnostic Medical Sonographer) to sonographers who pass the Ultrasound Sonography Principles and Instrumentation exam and one or more of the following specialty exams:

Abdomen

Obstetrics and Gynecology

Breast

Fetal Echocardiography

The Sonography Principles and Instrumentation (SPI) exam is 2 hours long and consists of 110 multiple-choice and semi-interactive console questions. We strongly recommend Ultrasound Physics Review: SPI Edition (mock exam in book format) and/or the Ultrasound Physics CD-ROM Mock Exam: SPI Edition. If you need to strengthen your understanding of the basic principles and instrumentation of ultrasound, you should also have a standard ultrasound physics text—Kremkau's Sonography Principles and Instruments 9th edition.

Each of the specialty exams is 3 hours in length and contains approximately 170 multiple-choice questions. We recommend that candidates combine a Step 1 review text (Ob/Gyn Sonography: An Illustrated Review for the Obstetrics and Gynecology exam, Abdominal Ultrasound: How, Why and When for the Abdomen exam, Fetal Heart Ultrasound for the Fetal Echo exam, and Breast Ultrasound: How, Why, and When for the Breast exam) with either or both Step 2 mock exams (CD-ROM and/or book format) for your specialty.

The Davies 1-2-3 Step products cover what you need to know from three angles—knowledge, memory, and application of knowledge—to ensure your best performance on the registry exams. In addition, our products are designed to work together. Each follows and covers in its own step-specific manner the ARDMS exam outlines, and each is cross-referenced to the other. So by design you have exactly what you need, including the means to assess your strengths and weaknesses and then to follow up with further study. There is no need to overwhelm yourself with dozens of books and articles that are not specifically designed to prepare you for these important examinations. Everything is here.

You can save money by purchasing our Ob/Gyn Sonography 3-Step Bundle for the ARDMS Exam and get everything you need in order to pass the exam.