Page 144 - ECG dr shamol_Slide
P. 144

Diagnostic Criteria

  QRS duration ≥0.12 second.

  RSR`(M pattern )/ notching  in V5 or V6  or also in lead I and AVL

  Leads V1 and V2 reveal QS or rS pattern with poor R wave progression in V2 and V3






  Diagnostic  Criteria of incomplete LBBB may be made

          •if the QRS duration is 0.10 to 0.11 second with notching of the R wave in V5 or V6
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