Key result
Left anterior hemiblock is commonly associated with coronary artery disease and aging, whereas isolated left posterior hemiblock is rare but carries a serious prognosis when associated with RBBB.
Design
Review
Authors
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May support closer surveillance for RBBB with left posterior hemiblock; leaves open prospective validation of updated criteria.
This review provides updated diagnostic criteria for hemiblocks and emphasizes the severe prognostic implications of left posterior hemiblock combined with right bundle-branch block.
Elizari et al. (2007) conducted a review in Hemiblocks. Hemiblocks was evaluated. Left anterior hemiblock is commonly associated with coronary artery disease and aging, whereas isolated left posterior hemiblock is rare but carries a serious prognosis when associated with RBBB.
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