Are Smartwatch ECG and AFib Alerts Accurate? What Patients Should Know
Your watch says "possible AFib." Here's what FDA-cleared smartwatch ECGs can detect, what they miss, how accurate they've been in studies, and when to call a doctor.
Using connected medical devices to collect patients' health data at home and share it with healthcare providers for review.
Remote patient monitoring (RPM) allows clinicians to track patients outside the hospital or clinic. Devices such as blood pressure cuffs, glucose meters, pulse oximeters, weight scales, and wearable heart monitors send readings automatically to a platform the care team can see.
RPM is especially useful for chronic conditions like diabetes, hypertension, and heart failure, and for recovery after surgery. Alerts can flag worrying trends early, potentially allowing intervention before a hospital visit is needed. It can reduce travel for patients in rural or mountainous areas. Challenges include device accuracy, patient comfort with technology, internet access, clinician workload from data overload, reimbursement rules, and protecting sensitive health information. It often complements telemedicine consultations.
The use of technology, including software, devices, and data, to improve healthcare delivery, outcomes, and efficiency.
TelemedicineDelivering healthcare services remotely using video calls, phone, messaging, and digital tools instead of in-person visits.
Wearable TechnologyElectronic devices worn on the body, such as smartwatches and fitness trackers, that collect data and provide connected features.
Your watch says "possible AFib." Here's what FDA-cleared smartwatch ECGs can detect, what they miss, how accurate they've been in studies, and when to call a doctor.
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