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The Narrow QRS Deception: Alternating Bundle Branch Block Uncovered on Ambulatory Monitoring After TAVR

Serhat Kesriklioglu1, Ahmet Taha Sahin1, Yakup Alsancak1

  • 1Department of Cardiology, School of Medicine, Necmettin Erbakan University, Konya, Turkey.

JACC. Case Reports
|April 23, 2026
PubMed
Summary

Transcatheter aortic valve replacement (TAVR) can cause conduction issues. Extended Holter monitoring is crucial for detecting alternating bundle branch block after TAVR, enabling timely intervention.

Keywords:
bundle branch blockconduction systemtranscatheter aortic valve replacement

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