Id: 4567935 the Two Minute Floor: Modeling the Structural Atrial Fibrillation Burden Detection Asymmetry Between Implantable Cardiac Monitors and Continuous E-Textile Wearables

Q: What is the clinical evidence from this study?

Population: Atrial Fibrillation. Intervention: Implantable Cardiac Monitors (ICMs) vs. Intermittent wearable monitoring systems. Primary outcome: Atrial Fibrillation burden quantification.

Q: What does this research mean for the field?

The requirement of a continuous two-minute detection window in implantable cardiac monitors structurally biases atrial fibrillation burden quantification compared to continuous e-textile wearables. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Arezoo Karimizadeh; Amin Mahnam; Amirali Toossi; Meysam Pirbaglou; Yaariv Khaykin

doi:10.1016/j.hroo.2026.08.100

September 1, 2026Heart Rhythm O2Open Access

Id: 4567935 the Two Minute Floor: Modeling the Structural Atrial Fibrillation Burden Detection Asymmetry Between Implantable Cardiac Monitors and Continuous E-Textile Wearables

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Key result

Intermittent non-invasive monitoring underestimates AF burden compared with continuous ICM tracking.

Why the study?

Implantable Cardiac Monitors are considered the gold standard for AF burden quantification, but intermittent non-invasive monitoring underestimates AF burden compared to continuous monitoring.

Does continuous e-textile wearable monitoring compared to Implantable Cardiac Monitors (ICMs) alter Atrial Fibrillation (AF) burden quantification?

Key Points

To analyze the structural detection differences in atrial fibrillation burden estimation between implantable cardiac monitors and continuous e-textile wearable devices.
Examined implantable cardiac monitor detection algorithms (Reveal LINQ, LINQ II, Confirm Rx) utilizing Lorenz plots of RR-interval variability across continuous two-minute windows.
Compared detection architecture of implantable cardiac monitors with continuous non-invasive e-textile wearable systems.
Implantable cardiac monitors impose an obligatory two-minute minimum episode threshold that determines burden quantification.
Underestimation in non-invasive monitoring relates to intermittent sampling constraints rather than the continuous sensing capacity of modern e-textiles.

Structured PICO

Does continuous e-textile wearable monitoring compared to Implantable Cardiac Monitors (ICMs) alter Atrial Fibrillation (AF) burden quantification?

E

Exposure

Continuous e-textile wearables

C

Comparator

Implantable Cardiac Monitors (ICMs)

O

Outcome

Atrial Fibrillation (AF) burden quantificationsurrogate

The study models the structural asymmetry in atrial fibrillation burden detection, highlighting that intermittent non-invasive monitoring may underestimate the burden compared to continuous implantable monitors.

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Implication

Continuous wearables may reduce AF burden underestimation vs intermittent sampling; leaves open validation against ICM algorithms.

Abstract

Implantable Cardiac Monitors (ICMs) are increasingly treated as the gold-standard reference for Atrial Fibrillation (AF) burden quantification. ICM algorithms (Reveal LINQ, LINQ II, Confirm Rx) detect AF using a Lorenz plot of RR-interval variability over a continuous 2-minute window. Previous research indicates that intermittent non-invasive monitoring underestimates ICM-derived burden. This reflects constraints of intermittent rather than continuous wearable monitoring systems that are being used for near-continuous AF burden estimation.

Discussion

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Cite This Study

Karimizadeh et al. (2026) studied Atrial Fibrillation. Implantable Cardiac Monitors (ICMs) vs. Intermittent wearable monitoring systems was evaluated on Atrial Fibrillation burden quantification. Intermittent non-invasive monitoring underestimates implantable cardiac monitor-derived atrial fibrillation burden due to constraints of intermittent versus continuous monitoring.

synapsesocial.com/papers/6ad0fd1915427f6a84040493 https://doi.org/10.1016/j.hroo.2026.08.100

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Id: 4567935 the Two Minute Floor: Modeling the Structural Atrial Fibrillation Burden Detection Asymmetry Between Implantable Cardiac Monitors and Continuous E-Textile Wearables

Key Points

Structured PICO

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Implication

Abstract

Discussion

Cite This Study

Id: 4567935 the Two Minute Floor: Modeling the Structural Atrial Fibrillation Burden Detection Asymmetry Between Implantable Cardiac Monitors and Continuous E-Textile Wearables

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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