Heart Association Warned Against Cuffless Blood Monitors
The group issued a 2025 statement cautioning that such devices should not be used for clinical diagnosis or treatment.
Updated on Sept. 24, 2026 in Heart Disease
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In a 2025 scientific statement, the American Heart Association advised against relying on cuffless blood pressure wearables for medical diagnosis. The guidance comes as consumer electronics companies increasingly integrate blood pressure monitoring into wrist-worn and ring-type devices.
Why it matters
High blood pressure affects 122 million adults in the United States and remains a significant risk factor for stroke, heart attack, and heart failure. While wearable technology offers continuous monitoring potential, clinical validation remains essential for managing these serious conditions.
A 2026 study showed that nocturnal hypertension detection rates via monitoring reached 27-39%, compared to 26% when using traditional ambulatory monitoring. These findings highlight differences in diagnostic efficacy between wearable sensors and standard clinical tools.
The players
American Heart Association
This national non-profit organization funds cardiovascular medical research and educates consumers on healthy living.
FDA
The federal agency is responsible for protecting public health by ensuring the safety and efficacy of medical devices.
Sky Labs
This company develops wearable healthcare technology, including the CART series of monitoring rings.
Huawei
This multinational technology corporation produces consumer electronics including smartphones and wearable fitness trackers.
Apple
This technology company designs consumer electronics and offers FDA-cleared features for tracking health metrics.
The details
Wearable devices typically monitor blood pressure using wrist, finger, or skin-based sensors, though some like the Huawei Watch D2 include a miniaturized airbag cuff. While newer devices such as the Sky Labs CART BP ring and CART ON have entered the market, the American Heart Association maintains that they lack the clinical standing of traditional monitors for treatment decisions.
Timeline
September 2025: Sky Labs launched the CART BP ring.
January 2026: The FDA issued draft guidance for cuffless blood pressure devices.
April 2026: Sky Labs launched the CART ON device.
September 2026: Pixel Watch and Fitbit added blood pressure trend tracking.
Health Landscape
The American Heart Association's stance follows the regulatory framework established by the FDA's January 2026 draft guidance for cuffless non-invasive blood pressure devices. This pivot signals a broader shift toward segmenting the market into regulated diagnostic tools and general wellness products.
Patients should not rely on wearable blood pressure readings to initiate or adjust prescription medication without consulting a physician. While these devices can track trends for personal wellness, they do not replace the accuracy of clinical-grade monitors for managing chronic hypertension.
The takeaway
Consumers should view blood pressure wearables as supplemental tools rather than replacements for professional medical diagnosis. Always discuss new data trends from your devices with your healthcare provider to ensure safe and effective blood pressure management.
Further reading
Learn more about managing hypertension in our Heart Disease section.
Source note: This article includes information reported by Miami Herald.
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