accessory atrioventricular pathway, supra ‐, and infrahisian conduction impaired due to mitral annulus calcification

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Population

Patient with Wolff-Parkinson-White (WPW) syndrome type A and mitral annulus calcification (MAC)

Design

Case_report

Authors

Discussion

MAC may underlie dual-pathway conduction block in WPW; extends known MAC complications and leaves open causal confirmation.

Population

Patient with Wolff-Parkinson-White (WPW) syndrome type A and mitral annulus calcification (MAC)

Outcome

Conduction abnormalities including right bundle-branch block, transient second-degree AV block, and infrahisian conduction abnormality

This is the first reported case of impaired conduction in both normal and accessory pathways in WPW syndrome due to mitral annulus calcification.

Kriwisky et al. (1987) studied this question.

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