What does this research mean for the field?

An atypical QRS pattern featuring marked left axis deviation and right bundle branch block upon A-V conduction restoration is characterized by specific vectorcardiographic loop directions and is likely caused by bilateral bundle branch block. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

January 1, 1963Japanese Heart JournalOpen Access

Atypical Bundle Branch Block-Report of Four Cases with Vectorcardiographic Observation

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Population

4 cases with A-V block (2 under the age of 30)

Design

Case_series

Authors

SMSaburo MashimaShowa University KHKenichi HarumiInstitute of Geotechnics of the Slovak Academy of Sciences CSChuichi SatoSt. Marianna University School of Medicine

Discussion

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Implication

Pattern suggests bilateral bundle branch block; hypothesis-generating case report leaves open prospective validation before clinical adoption.

Structured PICO

Population

4 cases with A-V block (2 under the age of 30)

Outcome

Atypical QRS pattern characteristics upon restoration of A-V conduction

This early case series describes an atypical bundle branch block pattern (marked left axis deviation with RBBB) upon restoration of A-V conduction, proposing bilateral bundle branch block as the mechanism.

Cite This Study

Mashima et al. (1963) studied this question.

synapsesocial.com/papers/6a1c07e14ebd09f3dfa95bca https://doi.org/10.1536/ihj.4.303

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Implication

Pattern suggests bilateral bundle branch block; hypothesis-generating case report leaves open prospective validation before clinical adoption.

Atypical Bundle Branch Block-Report of Four Cases with Vectorcardiographic Observation

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Atypical Bundle Branch Block-Report of Four Cases with Vectorcardiographic Observation

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Also Consider