access icon free HeartSearcher: finds patients with similar arrhythmias based on heartbeat classification

Long-term electrocardiogram data can be acquired by linking a Holter monitor to a mobile phone. However, most systems of this variety are simply designed to detect arrhythmia through heartbeat classification, and do not provide any additional support for clinical decisions. HeartSearcher identifies patients with similar arrhythmias from heartbeat classifications, by summarising each patient's typical heartbeat pattern in the form of a regular expression, and then ranking patients according to the similarities of their patterns. Results obtained using electrocardiogram data from the MIT-BIH arrhythmia database show that this abstraction reduces the volume of heartbeat classifications by 98% on average, offering great potential to support clinical decisions.

Inspec keywords: data mining; signal classification; pattern matching; medical signal detection; decision making; abstracting; sorting; medical information systems; electrocardiography; diseases; patient monitoring; medical signal processing

Other keywords: mobile phone; long-term electrocardiogram data acquisition; similar arrhythmia patient identification; patient ranking; Holter monitor; arrhythmia detection; heartbeat pattern similarity ranking; abstraction; similar arrhythmia patient search; heartbeat classification volume reduction; HeartSearcher; regular expression; MIT-BIH arrhythmia database; clinical decision support; patient typical heartbeat pattern summarisation

Subjects: Biology and medical computing; Electrical activity in neurophysiological processes; Electrodiagnostics and other electrical measurement techniques; Information analysis and indexing; Data handling techniques; Digital signal processing; Medical administration; Signal processing and detection; Combinatorial mathematics; Bioelectric signals; Combinatorial mathematics; Knowledge engineering techniques

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http://iet.metastore.ingenta.com/content/journals/10.1049/iet-syb.2015.0011
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