Assumes responsibility for designated areas or procedures as required in conjunction with U.S. Tech III, including specialized U.S. areas such as Interventional Ultrasonographic Special Procedures and Portable Imaging. Must be registered with the American Registry of Diagnostic Medical Sonographers or other recognized credentialing body (ex:ARRT) with at least one ultrasound specialty, i.e., Medical (Abdominal, OB/GYN, Opthalmic Cardiac, Vascular, etc.) .