RT Book, Section A1 Bashore, Thomas M. A1 Granger, Christopher B. A1 Jackson, Kevin P. A1 Patel, Manesh R. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184695913 T1 Paroxysmal Supraventricular Tachycardia (PSVT) T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184695913 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISRapid, regular tachycardia most commonly seen in young adults and characterized by abrupt onset and offset.QRS duration narrow (< 120 msec) except in the presence of bundle branch block or accessory pathway.Often responsive to vagal maneuvers, AV nodal blockers, or adenosine. Cardioversion rarely required.