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 1181052835 T1 Limb Lead Reversal 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=1181052835 RD 2024/10/10 AB Reversal of the left arm (LA) and right arm (RA) most commonP, QRS, and T predominantly downgoing in lead IP, QRS, T upgoing in lead aVRPrecordial leads unaffectedReversal of the leg leads (left leg [LL] and right leg [RL])Does not commonly produce ECG changes because RL is used as a grounding electrodeReversal of LA-LLTransposition of leads I and II and leads aVF and aVL with reversal of lead IIIReversal of RA-RLTransposition of aVR and aVL and inversion of lead IIIncorrect precordial lead placementIsolated reversal of the usual R-wave progression from V1 to V6