li>Demonstrated competence in the specialty area(s) to be performed, including sonographer certification by the American Registry for Diagnostic Medical Sonography (ARDMS), American Registry of Radiologic Technologists (ARRT), or Cardiovascular Credentialing International (CCI). Consults with referring physicians regarding medical history of the patient, discusses appropriate procedures required, maintains records and/or technical notations on each case as required by regulatory agencies and insures files and records are properly completed with correct information.