<prompt> Adenosine is used inAtrial flutterAtrial fibrillationPSVTVentricular tachycardia  <response>: Acute management of narrow QRS PSVT is guided by the clinical presentation. Continuous ECG monitoring should be implemented.For stable individuals, initial therapy takes advantage of the fact that most PSVTs are dependent on AV nodal conduction AV nodal reentry or ohodromic AV reentry and therefore likely to respond to sympatholytic and vagotonic maneuvers and drugs IV adenosineHarrison 19e pg: 1483 