title: Subcostal two-dimensional echocardiography in cardiac pacing and in intracardiac electrophysiologic studies.
mesh_terms: D006328:Cardiac Catheterization / Q000379:methods*; D002304:Cardiac Pacing, Artificial; D004452:Echocardiography / Q000379:methods*; D006334:Heart Function Tests / Q000379:methods*; D006801:Humans; D010138:Pacemaker, Artificial