ARRT - American Registry of Radiologic Technologists - American Registry of Radiologic Technologists, BLS - Basic Life Support - American Heart Association, LIC - Licensed in Field - State of Ohio. The technologist also assists with uterine artery embolizations, venous lysis of tumors, vertebroplasties, infusion pump placements/revisions, radiofrequency ablations and other peripheral vascular interventions, including lysis and clot removal.