ARRT-R Radiography (ARRT-R), Cert Cardiac Device Spec (CCDS), Cert EP Specialist (CEPS), Medical Radiologic Tech (MRT), Reg Cardio Electrophysiology (RCES), Reg Cardiovascular Invasive Sp (RCIS): Must meet one of the following: American Registry of Radiologic Tech (ARRT-R) and MRT through TX Medical Board, or Cardio Invasive Spec (RCIS), or Reg Cardiac Electro Spec (RCES), or Cert Electro Spec (CEPS), or Cert Cardiac Device Spec (CCDS). Certification: ARRT-R Radiography (ARRT-R) AND MRT with TMB, Cert Cardiac Device Spec (CCDS), Cert EP Specialist (CEPS), Reg Cardio Electrophysiology (RCES), or Reg Cardiovascular Invasive Sp (RCIS).