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Updated: May 5, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
Seven-Day Holter Monitoring Substantially Improves Detection of Low-Burden Atrial Fibrillation - Results From a Large
Yuko Inoue1, Kota Nakatsuji1, Koichiro Kumagai2
1National Cerebral and Cardiovascular Center.
Background:
Atrial fibrillation (AF) burden and longest duration are important predictors of heart failure and embolism. However, burden-specific detection rates on 7-day Holter ECG remain unclear.
Methods And Results:
Among 25,817 recordings, 2,289 cases of paroxysmal AF and 571 cases of persistent AF were identified. Low-burden AF was common, and 7-day monitoring substantially improved detection, particularly for AF burden <10% (2.6-fold increase vs. 24-h). AF burden correlated with the longest duration (r=0.79).
Conclusions:
7-day Holter monitoring improved low-burden AF detection and confirmed a strong correlation between AF burden and longest duration.
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