Conn. Gen. Stat. § 20-74qq: Radiologist assistants: Permitted and prohibited activities.

(a) A radiologist assistant may perform radiologic procedures delegated by a supervising radiologist provided: (1) The supervising radiologist is satisfied as to the ability and competency of the radiologist assistant; (2) such delegation is consistent with the health and welfare of the patient and in keeping with sound medical practice; (3) the supervising radiologist assumes full control and responsibility for all procedures performed by the radiologist assistant; and (4) such procedures are performed under the oversight, control and direction of the supervising radiologist. A supervising radiologist shall establish written protocols concerning any procedures delegated by such radiologist and implemented by a radiologist assistant. In addition to those procedures that the supervising radiologist deems appropriate to be performed under personal supervision, the following procedures shall be performed under personal supervision: (A) Lumbar puncture under fluoroscopic guidance, (B) lumbar myelogram, (C) thoracic or cervical myelogram, (D) nontunneled venous central line placement, (E) venous catheter placement for dialysis, (F) breast needle localization, and (G) ductogram.

(b) A radiologist assistant shall not: (1) Interpret images, (2) make diagnoses, (3) prescribe medications or therapies, or (4) administer anesthesia.