When ICU patients come down to the Angio room some ICU RN's stay and some do not. As the Radiology Nurse I usually decide if I need assistance from the ICU nurse depending on the patient. For example, if the patient is not stable, on multiple pressors and is receiving multiple blood products I would want the ICU RN to stay. We only have one RN to a case in our Angio room. Also, some ICU RN's feel comfortable leaving their patients with an IR Nurse. Usually IR nurses have ER or ICU experience and are familiar with titrating drips, pts on vents, and ACLS certified. As long as there is a qualified RN to committed to assume care of the patient during the procedure then I don't think it is necessary for the ICU RN to stay. However, if they want to stay I have absolutely no problem with that.