Monitoring physiological activity using partial state space...

A - Human Necessities – 61 – B

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A61B 5/0444 (2006.01)

Patent

CA 2584503

Systems and techniques relating to monitoring physiological activity using partial state space reconstruction. In general, in one aspect, a partial state space is produced using an orthogonal, frequency-independent transform, such as Hilbert transform. The partial state space can then be analyzed using state space techniques to identify physiological information for the biological system. The described techniques can be implemented in a distributed cardiac activity monitoring system, including a cardiac monitoring apparatus, and a QRS detector thereof.

Cette invention concerne des systèmes et des techniques associés à la surveillance de l'activité physiologique utilisant la reconstruction d'un espace d'état partiel. D'une manière générale, selon un aspect de cette invention, un espace d'état partiel est produit à l'aide d'une transformée orthogonale indépendante de la fréquence, telle qu'une transformée de Hilbert. L'espace d'état partiel peut ensuite être analysé à l'aide de techniques d'espace d'état pour identifier des informations physiologiques pour le système biologique. Les techniques décrites dans cette invention peuvent être mises en oeuvre dans un système réparti de surveillance de l'activité cardiaque, tel qu'un appareil de surveillance cardiaque et un détecteur QRS correspondant.

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