System and method for predicting the onset of cardiac...

Details System and method for predicting the onset of cardiac... System and method for predicting the onset of cardiac...

A - Human Necessities

61

B

A61B 5/0452 (2006.01) A61B 5/0402 (2006.01)

Patent

CA 2491470

The onset of cardiac pathology can be predicted by first acquiring a plurality of lead values as a function of time for set of electrocardiogram leads (103) and defining a spatial curve from the lead values for at least three leads. A fractal index for the spatial curve is calculated as a function of time and the time rate of change of the fractal index is monitored (104). A negative time rate of change is indicative of normal cardiac activity, while a positive time rate of change is indicative of pathological cardiac activity.

On peut prédire le déclenchement d'une pathologie cardiaque par l'acquisition, dans un premier temps, d'une pluralité de valeurs de conducteurs, prises comme une fonction du temps pour un ensemble de conducteurs d'électrocardiogramme (103), puis par la définition d'une courbe spatiale sur la base des valeurs de conducteurs pour au moins trois conducteurs. Un index frontal pour la courbe spatiale est calculé comme fonction du temps, et le changement dans le temps de l'index frontal est surveillé (104). Un changement temporel négatif indique une activité cardiaque normale alors qu'un changement temporel positif indique une activité cardiaque pathologique.

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