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Supraventricular Tachycardias: Diagnostic Maneuvers in the Electrophysiology Laboratory
Introduction Paroxysmal supraventricular tachycardia (PSVT; Table 70.1 ) refers to a group of heterogenous arrhythmias with different electrophysiologic mechanisms manifesting as a regular narrow complex tachycardia, typically having an abrupt onset and offset. The differential diagnosis for these disorders includes…