title: Is fluoroscopy necessary for pacemaker insertions and his bundle studies?
mesh_terms: D002036:Bundle of His / Q000502:physiology; D006328:Cardiac Catheterization / Q000009:adverse effects; D006348:Cardiac Surgical Procedures; D005471:Fluoroscopy; D006327:Heart Block / Q000209:etiology; D010138:Pacemaker, Artificial