iRhythm studies show extended monitoring detects more arrhythmias

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New Data Presented at HRS 2026 Show Short-Term Holter Monitoring Misses a Large Proportion of AF Recurrence Post-Ablation and Clinically Significant Arrhythmias in Pregnancy

April 27, 2026 8:05 AM EDT

Real-world data presented at HRS 2026 add to the body of evidence supporting a shift away from short-duration Holter monitoring toward up to 14 days of continuous, uninterrupted monitoring with Zio® ambulatory ECG devices to reduce missed arrhythmias and provide a more complete assessment of arrhythmia burden, including in post-ablation and pregnancy populations.1-2Findings raise important considerations for post-ablation anticoagulation decisions based on prior studies such as the OCEAN trial that relied on short-duration (2448-hour) monitoring, as these data show this... More