Wearable Device for Heart Rate Variability Can Detect Early Hypoglycemia

A wearable device that measures real-time heart rate variability can detect early signs of hypoglycemia in patients with type 1 diabetes, according to study results published in Diabetes Care.

To assess the ability of a wearable device to detect heart rate variability and alert users to early signs of hypoglycemia (glucose ≤70 mg/dL), researchers had 23 patients with type 1 diabetes (average age, 42 ± 11 years) wear the VitalConnect HealthPatch on their chests for 5 consecutive days.

While conducting their normal daily activities, participants were analyzed for heart rate variability. Participants also recorded fingerstick glucose measurements and any hypoglycemic events they experienced. There were 9 participants with impaired awareness of hypoglycemia, defined as having lost sense of typical hypoglycemia symptoms.

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