title: Indications for use of intracardiac electrophysiologic studies for the diagnosis of site of origin and mechanism of tachycardias.
mesh_terms: D003937:Diagnosis, Differential; D004562:Electrocardiography; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D013610:Tachycardia / Q000175:diagnosis*; D013617:Tachycardia, Supraventricular / Q000503:physiopathology