Cardiac catheterization lab nurse, cardiac cath lab nurse, cath lab nurse, cardiac cath lab RN, registered nurse, RN, R.N., cath lab RN, nurse, nursing, healthcare, health care, patient care, medical, hospitalAmerican Mobile Healthcare Job ID #3035004. Position SummaryPrinciple duties consists of assisting physicians in monitoring, collecting, and processing radiological and physiological data during diagnostic and interventional examinations and studies such as both coronary and peripheral diagnostic angiograms, PCI's (Percutaneous Coronary Interventions), PTA's (Percutaneous Transluminal Angioplasty).