Oct 1, 1988

Direct identification of parameters in a mathematical model describing conduction through the atrioventricular node

International Journal of Bio-medical Computing
L DorveauxA Tonkin

Abstract

Function of the atrioventricular node is assessed during intracardiac electrophysiology study by relating the output intervals A2H2 and H1H2 to the input A1A2, where A and H are, respectively, atrial and His bundle electrograms recorded by catheter. The H1H2 curves have been previously deduced from a model describing the A2H2 curves. Because of presence in a few cases of different behaviour of A2H2 and H1H2, this study aimed to establish a more suitable model of H1H2 independently of A2H2 for the particular case of a single transmission pathway. The two models were compared by calculation of standard error of the estimate. As a first approximation, the deduced model may be sufficient. However, the standard error of the estimate was less with the direct algorithm, which is therefore the more suitable for further development, particularly for recognition and modelling of conduction over multiple pathways through the atrioventricular node.

  • References6
  • Citations2

References

Mentioned in this Paper

Biochemical Pathway
Cardiac Chamber Structure
Cardiac Catheterization Procedures
Electrode
Cardiac Conduction System
Structure of Atrioventricular Node
Electrophysiology (Science)
Bundle of His
Entire Atrioventricular Node
Heart Atrium

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