Hemodynamic RNs?

At my hospital we have an RN position that’s a bit unique and our team was wondering if there are any other teams like this out there. As the title implies the position is called Hemodynamics RN. Our team of 4 (trauma and critical care RNs) work closely with the Trauma, Cardio-Thoracic, and Anesthesia teams and work out of the OR. We have many and varying  duties. We setup assist the anesthesia side of the open chest cases (drip packages, central lines setup insertion of PA cath etc.) setup and operate balloon pumps in the OR, run cellsaver machines for reprocessing blood, run massive transfusions anywhere in the hospital, place large bore IVs and A-lines with US(or otherwise), and we’re on the OR code team. No doubt I missed some duties but hit the high points. We have regularly scheduled shifts that match weekday OR schedule and one our team is on call 24/7. We come in for OR cases of unstable or potentially unstable patients at the request of anesthesia, CT and Trauma surgeons, and all full trauma activations in which case we’re the trauma and critical care RNs that stay with the patient from the trauma bay through the OR and to the ICU or at least until they’re stable if they don’t ultimately go to the ICU. 
Does anyone know of a position or have heard of anything similar to this position? 
Thanks