title: Radiotransparent electrodes for recording precordial electrocardiographic leads during catheterization.
mesh_terms: D006328:Cardiac Catheterization; D005117:Cardiac Complexes, Premature / Q000000981:diagnostic imaging*; D004562:Electrocardiography / Q000295:instrumentation*; D004566:Electrodes; D006801:Humans; D011859:Radiography; D012408:Rubber
chemical_list: D012408:Rubber