title: Cardiac electrophysiologic study. What it is and who may benefit.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000503:physiopathology; D006328:Cardiac Catheterization; D002408:Catheters, Indwelling; D004567:Electrodes, Implanted; D004594:Electrophysiology / Q000295:instrumentation / Q000379:methods; D006323:Heart Arrest / Q000175:diagnosis; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D013575:Syncope / Q000175:diagnosis