Systems and methods for monitoring heart rate and blood...

A - Human Necessities – 61 – B

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A61B 5/021 (2006.01) A61B 5/024 (2006.01) G06F 19/00 (2011.01)

Patent

CA 2751532

Systems and methods are provided for monitoring a correlation between heart rate and blood pressure in a patient. When a characteristic of the correlation exceeds a threshold, a patient status indicator signal is sent to a monitoring device. In some embodiments, the patient status indicator signal indicates a particular medical condition or alerts a care provider to a change in status. In some embodiments, the heart rate signal is used to improve a blood pressure estimate generated by a different signal. In some embodiments, the heart rate, blood pressure and correlation signals are used in a predictive mathematical model to estimate patient status or outcome.

La présente invention concerne des systèmes et procédés permettant de surveiller la corrélation entre le rythme cardiaque et la tension artérielle d'un patient. Quand l'une des caractéristiques de la corrélation dépasse un seuil, un signal indicateur d'état du patient est envoyé à un dispositif de monitorage. Dans certains modes de réalisation, le signal indicateur d'état du patient indique un état médical particulier ou attire l'attention d'un soignant sur un changement d'état. Dans certains modes de réalisation, on utilise le signal de rythme cardiaque pour améliorer la mesure de tension artérielle produite par un autre signal. Dans certains modes de réalisation, le rythme cardiaque, la tension artérielle, et les signaux de corrélation sont utilisés dans un modèle mathématique prédictif pour évaluer l'état ou l'issue de l'état d'un patient.

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