Performs a variety of technical imaging procedures that require independent judgment, appropriate technical skills in ultrasonography, and a commitment to patientsafety, all of which are considered requisite professional characteristics for individuals assuming the position as a sonographer. ARRT-American Registry of Radiologic Technologist-Sonography/AART(S) OR RDMS-Registered Diagnostic Medical Sonographer - ARDMS - American Registry for Diagnostic Medical Sonography (preferred).