RT Book, Section A1 Huis in ‘t Veld, Maite A. A1 Mattu, Amal A1 Thurman, R. Jason A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181052419 T1 Right Bundle Branch Block T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1181052419 RD 2024/03/29 AB Wide QRS complex > 120 ms.rsR’ pattern in leads V1 and V2.Slurred S wave in lateral leads (I, aVL, V5-V6).ST depression and T-wave inversion is typical in the right precordial leads (V1-V3).When all of these criteria are met except that the QRS duration is < 120 ms, an incomplete right bundle branch block (RBBB) pattern is diagnosed.