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October 18, 2025DiagnosticsOpen Access

Validity of Empatica E4 Wristband for Detection of Autonomic Dysfunction Compared to Established Laboratory Testing

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Observational study emphasizes detection of heart rate variability in epilepsy using the Empatica E4, indicating its clinical utility.

Empatica E4 accurately measures heart rate variability, correlating well with standard electrocardiography results.
The device shows effective detection of increased heart rate variability during controlled breathing in healthy participants.
In patients with epilepsy, the E4 successfully identifies significant autonomic changes, demonstrating its sensitivity.
Wearable devices like the E4 can serve as practical tools for autonomic testing in resource-limited settings.

Stritzelberger et al. (2025) studied this question.

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