RT Book, Section A1 Badhwar, Nitish A2 Crawford, Michael H. SR Print(0) ID 1139744579 T1 Ventricular Tachycardia T2 CURRENT Diagnosis & Treatment: Cardiology, 5e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259641251 LK accessmedicine.mhmedical.com/content.aspx?aid=1139744579 RD 2024/03/29 AB ESSENTIALS OF DIAGNOSISNonsustained: three or more consecutive QRS complexes of uniform configuration of ventricular origin at a rate of more than 100 bpm.Sustained: lasts more than 30 seconds; requires intervention for terminationMonomorphic ventricular tachycardia.Polymorphic ventricular tachycardia: beat-to-beat variation in QRS configuration.