As a credentialing agency CCI cannot recommend nor create any statements which concern scope of practice or job descriptions/functions. The final decision is always made by the hospital, laboratory, or facility following recommendations made by the cardiovascular specialty's professional society.
Professional society websites that may contain scope of practice for the following CCI certifications:
CCT and CRAT individuals have no professional society and thus it is at the discretion of the employee's facility.
General sonography information can also be found here: Society of Diagnostic Medical Sonography (SDMS) http://sdms.org