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 1181052426 T1 Left 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=1181052426 RD 2024/04/18 AB Wide QRS complex > 120 msDominant S wave in V1-V3Broad monophasic, M-shaped or notched R wave in lateral leads (I, aVL, V5-V6)Appropriate discordance: the ST segment and T wave are in opposite direction to the main vector of the QRS complexLeft axis deviation