Apparatus for monitoring chf patients using bio-impedance...

Details Apparatus for monitoring chf patients using bio-impedance... Apparatus for monitoring chf patients using bio-impedance...

A - Human Necessities

61

B

A61B 5/05 (2006.01) A61B 5/053 (2006.01)

Patent

CA 2491367

An apparatus and method for making corrected impedance images of the chest includes an impedance imaging data acquisition system (609,611) which acquires impedance imaging data of the chest, an electrocardiograph (618) which obtains electrocardiograph data of the patient, and a data analyzer (616) which analyzes the electrocardiograph data to obtain information about breathing parameters at the time the impedance imaging data was acquired. The data analyzer reconstructs, from the imaging data and the information about breathing parameters, at least one impedance image of the chest with reduced sensitivity to breathing parameters.

La présente invention concerne un procédé qui permet de produire des images d'impédance de la poitrine, selon lequel : on acquiert des données électriques de la poitrine ; on obtient des données électrocardiographiques d'un patient ; on analyse les données électrocardiographiques afin d'obtenir des informations concernant les paramètres respiratoires au moment où les données électriques ont été acquises ; et on reconstruit au moins une image d'impédance de la poitrine à partir des données électriques et des informations relatives aux paramètres respiratoires, lesdites informations relatives aux paramètres respiratoires permettant de réduire la sensibilité d'au moins une image d'impédance aux paramètres respiratoires.

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