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Detection of ventricular tachycardia and fibrillation using ECG processing and intramyocardial pressure gradients.

The automatic termination of malignant tachyarrhythmias and of ventricular fibrillation by an implantable device requires a reliable sensing of these episodes of abnormal ECG. Therefore, we induced tachyarrhythmias and fibrillation in eleven dogs and recorded electrograms and intrainyocardial pressu...

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Published in:Pacing & Clinical Electrophysiology Vol. 9; no. 6; pp. 1084 - 1089
Main Authors: Aubert AE, Denys BG, Ector H, De Geest H
Format: Journal Article
Published: Wiley-Blackwell Nov1986
Online Access:View this record in EBSCOhost
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      dt: Nov1986
      vid: 9
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      pub: Wiley-Blackwell
      place: Malden, Massachusetts
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        atl: Detection of ventricular tachycardia and fibrillation using ECG processing and intramyocardial pressure gradients.
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          Aubert AE
          Denys BG
          Ector H
          De Geest H
      sug:
      ab: The automatic termination of malignant tachyarrhythmias and of ventricular fibrillation by an implantable device requires a reliable sensing of these episodes of abnormal ECG. Therefore, we induced tachyarrhythmias and fibrillation in eleven dogs and recorded electrograms and intrainyocardial pressure. The electrograms were analyzed using the autocorrelation function and the probability density function. Intramyocardial pressure was monitored as a hemodynamic parameter. Results show that in the case of sinus rhythm, all methods are reliable, but in the case of VT and VF, electrogram processing only is insufficient. It is concluded that combined monitoring of ECG processing and a hemodynamic parameter may increase the sensitivity of an automatic tachycardia-fibrillation detection system.
      pubtype: Academic Journal
      doctype: Journal Article
      ougenre: Article
    language: English
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