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  "documentTitle": "iRhythm Technologies, Inc. (IRTC)",
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  "presentationDate": "2025-08-18 00:00:00",
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      "kind": "callout",
      "text": "Smartphone-paired devices provide real-time monitoring, unlike the Zio XT/Monitor.",
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      "text": "Extensive research has demonstrated that consumer smart devices are comparable to medical-grade devices for the detection of atrial fibrillation. In fact, smartphone-paired devices offer the real-time monitoring capability only available from the more expensive Zio AT. We believe this data disproves the iRhythm thesis around using Zio patches for asymptomatic patients.",
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      "text": "Overall, the sensitivity of smart devices for atrial fibrillation detection is remarkably high. A recent meta-analysis found that smartphones detected atrial fibrillation with a sensitivity of 94% and a specificity of 96%, and there was no difference in atrial fibrillation detection between devices that use PPG and single-lead ECG.",
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      "text": "Overall, the sensitivity of smart devices for atrial fibrillation detection is remarkably high. A recent meta-analysis found that smartphones detected atrial fibrillation with a sensitivity of 94% and a specificity of 96%, and there was no difference in atrial fibrillation detection between devices that use PPG and single-lead ECG. — Excerpts from \"Consumer-grade wearable cardiac monitors: What they do well, and what needs work\", Cleveland Clinic Journal of Medicine, January 2024",
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      "text": "Consumer-grade 'smart devices' for detecting cardiac arrhythmias",
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      "text": "Research Has Shown That Consumer Smart Devices Are Comparable To Medical-Grade Devices For Cardiac Monitoring",
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