September 1, 1970Circulation

Pseudo A-V Block Secondary to Premature Nonpropagated His Bundle Depolarizations

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Population

1 patient with unexplained P-R prolongations and periods suggestive of both type I and II second degree A-V…

Design

Case_report

Authors

KRKenneth M. RosenBoston University SRShahbudin H. RahimtoolaStructural Heart Disease RGRolf M. GunnarCardiac Imaging

Discussion

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Implication

May explain pseudo-AV block on ECG; hypothesis-generating for intracardiac mapping in unexplained conduction defects.

Structured PICO

Population

1 patient with unexplained P-R prolongations and periods suggestive of both type I and II second degree A-V block

Intervention

Intracardiac recordings (His and right bundle electrograms)

Outcome

Mechanism of conduction disturbances

Intracardiac recordings can reveal pseudo A-V block caused by concealed conduction from nonpropagated premature His bundle depolarizations, mimicking true A-V block.

Cite This Study

Rosen et al. (1970) studied this question.

synapsesocial.com/papers/6a07e2c2416812afca06e6d2 https://doi.org/10.1161/01.cir.42.3.367

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Pseudo A-V Block Secondary to Premature Nonpropagated His Bundle Depolarizations

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Pseudo A-V Block Secondary to Premature Nonpropagated His Bundle Depolarizations

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Also Consider