Cyberonics, Inc.

Jicong Zhang

Wangcai Liao

Methods and systems for characterizing a seizure event in a patient, including determining a time of beat sequence of the patient's heart, determining a first HR measure for a first window, determining a second HR measure for a second window, wherein at least a portion of the first window occurs after the second window, determining at least one HR parameter based upon said first HR measure and said second HR measure, identifying an onset of the seizure event in response to determining that at least one HR parameter crosses an onset threshold, identifying an end of the seizure event in response to determining that at least one HR parameter crosses an offset threshold.

Identifying seizures using heart data from two or more windows

Methods and systems for adjusting neighborhood widths of candidate heart beats, including being provided with a plurality of candidate heart beats, the candidate heart beats being associated with neighborhood widths in the time domain, and scaling the neighborhood widths, an amount of scaling being determined according to one or more previous heart rate statistics.

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Gainsville, FL, United States of America

Jicong Zhang