Comparison of four LBBB definitions for predicting mortality in patients receiving cardiac resynchronization therapy.
Marek JastrzebskiPiotr KuklaRoksana KisielKamil FijorekPaweł MoskalDanuta CzarneckaPublished in: Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc (2018)
Criteria included in various definitions of LBBB result in a diagnosis of LBBB in divergent groups of patients. Differences in LBBB definitions have clinical consequences, as patients without 'complete/true' LBBB probably get no mortality benefit from CRT.