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  "documentTitle": "iRhythm Technologies, Inc. (IRTC)",
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      "text": "Conclusions: The Apple Watch ECG carries high accuracy in detecting atrial fibrillation, providing a convenient diagnostic option for patients.",
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      "text": "Results: The meta-analysis included 11 studies comprising 4,241 participants. The pooled sensitivity and specificity of the Apple Watch for detecting AF were 94.8% and 95%.",
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      "text": "Sensitivity: 95%",
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      "text": "Red box for Spruce Point emphasis. Source: “Diagnostic Accuracy of Apple Watch Electrocardiogram for Atrial Fibrillation”, Journals of the American College of Cardiology (January 2025), Global Cardiology Science & Practice",
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      "text": "We note that the Apple Watch, Samsung Galaxy Watch, and the Fitbit Sense all have ECG capabilities, pulse monitors, and oxygen saturation monitors. Smartwatches generally obtain pulse and pulse oximetry monitoring data through photoplethysmography (PPG).",
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      "text": "While the study on the previous page details lower sensitivity and specificity in arrhythmia detection for the Apple Watch relative to several smartphone-paired devices, a recent meta-analysis of 11 studies showed that the pooled results for the Apple Watch were 95% for both metrics, demonstrating high accuracy.",
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      "text": "The meta-analysis included 11 studies comprising 4,241 participants. Their mean age was 62.56 ± 3.92 years, and 28% of the patients were females. The pooled sensitivity and specificity of the Apple Watch for detecting AF were 94.8% (95% CI: 91.7% to 96.8%; I² = 67%) and 95% (95% CI: 88.6% to 97.8%; I² = 88%), respectively. The area under the receiver operating characteristic curve was 0.96 (95% CI: 0.92-0.97). — Journals of the American College of Cardiology (January 2025)",
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      "text": "Another Recent Study Touted The High Accuracy Of The Apple Watch For Detecting AFib",
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      "text": "Excerpts From “Diagnostic Accuracy of Apple Watch Electrocardiogram for Atrial Fibrillation”, Journals of the American College of Cardiology (January 2025)",
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