Bicarbonate refractory QRS prolongation and left bundle-branch block following escitalopram and lamotrigine overdose: A case report and literature review of toxic left bundle-branch block.
Andrew FarkasM MarcottJ H YantaA F PizonPublished in: Journal of clinical pharmacy and therapeutics (2018)
Cases of toxic LBBB are less likely to respond to bicarbonate therapy, suggesting that this finding is due to a mechanism other than sodium channel blockade.