Ein neuer detektionsalgorithmus für implantierbare cardioverter-defibrillatoren

Translated title of the contribution: A new detection algorithm for implantable cardioverter defibrillator

B. Merkely, E. Zima, L. Gellér, V. Lang, M. Schaldach

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

One of the most important subsystems of implantable cardioverter defibrillator (ICD) is the sensing stage, since it determines the sensitivity and specificity of the device to detect the heart rate and the underlying arrhythmia. This paper aims to investigate a new detection algorithm for ICD, which operates fully automatically. The algorithm ARGUS was implemented as a computer model and tested with intracardiac electrograms recorded (band-pass: 0.05 to 500 Hz; sampling rate: 1-4 kHz) under different rhythm condition like sinus rhythm (n = 18), atrial tachycardia (n = 16), and ventricular tachycardia as well as fibrillation (n = 139) during electrophysiological tests or ICD implantation. The results of the tests were visually inspected on a beat-to-beat basis. In total 31934 events were classified by the algorithm (18758 as long intervals (LI) with cycle length >300 ms; 13176 as short intervals (SI)). 195 out of the 13176 SI and 572 out of 18758 LI were incorrectly classified (SI: 1.48%; LI: 3.05%). In conclusion the new algorithm yield high sensitivity (99.9%) and specificity (97.0%) as known from conventional ICD algorithms but need no manual adjustments.

Original languageGerman
Pages (from-to)226-229
Number of pages4
JournalBiomedizinische Technik. Biomedical engineering
Volume46
Issue number9
Publication statusPublished - 2001

Fingerprint

Implantable cardioverter defibrillators
Implantable Defibrillators
Cardiac Electrophysiologic Techniques
Sensitivity and Specificity
Ventricular Fibrillation
Ventricular Tachycardia
Tachycardia
Computer Simulation
Cardiac Arrhythmias
Heart Rate
Sampling
Equipment and Supplies

Keywords

  • Defibrillator
  • Filter bank
  • Implantable cardioverter
  • Signal analysis

ASJC Scopus subject areas

  • Biomedical Engineering
  • Health Informatics

Cite this

Ein neuer detektionsalgorithmus für implantierbare cardioverter-defibrillatoren. / Merkely, B.; Zima, E.; Gellér, L.; Lang, V.; Schaldach, M.

In: Biomedizinische Technik. Biomedical engineering, Vol. 46, No. 9, 2001, p. 226-229.

Research output: Contribution to journalArticle

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