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Consumer and medical-grade wearables can provide continuous information on physical activity, heart rate, sleep and other physiologic signals. In chronic disease management, these data may complement clinic measurements by revealing patterns that are missed during intermittent visits. For internists, the usefulness of a wearable depends on whether the data can change management. Activity trends may help support obesity counselling, cardiac rehabilitation or monitoring of functional decline, while physiologic alerts may prompt evaluation in selected high-risk patients. However, false positives, missing data, adherence and device-to-device variability can limit clinical utility. Clinicians should therefore avoid treating consumer-device outputs as equivalent to validated diagnostic measurements without context. The emerging lesson from digital-health research is that successful implementation requires integration with clinical workflows and clear thresholds for action. Wearables have potential to make chronic-disease care more continuous, but more data are not necessarily better unless they improve decisions or patient behavior.
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Consumer and medical-grade wearables can provide continuous information on physical activity, heart rate, sleep and other physiologic signals. In chronic disease management, these data may complement clinic measurements by revealing patterns that are missed during intermittent visits. For internists, the usefulness of a wearable depends on whether the data can change management. Activity trends may help support obesity counselling, cardiac rehabilitation or monitoring of functional decline, while physiologic alerts may prompt evaluation in selected high-risk patients. However, false positives, missing data, adherence and device-to-device variability can limit clinical utility. Clinicians should therefore avoid treating consumer-device outputs as equivalent to validated diagnostic measurements without context. The emerging lesson from digital-health research is that successful implementation requires integration with clinical workflows and clear thresholds for action. Wearables have potential to make chronic-disease care more continuous, but more data are not necessarily better unless they improve decisions or patient behavior.
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