Method and apparatus for measuring cardiac flow output

Details Method and apparatus for measuring cardiac flow output Method and apparatus for measuring cardiac flow output

A - Human Necessities

61

B

A61B 5/029 (2006.01)

Patent

CA 2368241

Method for the measurement of the cardiac flow, in which the volume of blood ejected from the left ventricle (LSV) or the volume of blood ejected from the right ventricle (RSV) is expressed and calculated as a function of at least one of the independent contributing factors of the area under the pressure curve recorded by means of an appropriate sensor and as a function of the hydraulic impedance, and in which the cardiac flow Q is calculated according to the relation Q = LSV (or RSV) * HR, where HR is the heart rate.

L'invention porte sur un procédé de mesure du débit cardiaque selon lequel le volume de sang éjecté par le ventricule gauche (LSV) ou celui éjecté par le ventricule droit (RSV) est exprimé et calculé d'une part en fonction d'au moins un des facteurs contributifs indépendants de l'aire située sous la courbe de tension enregistrée par un détecteur approprié, et d'autre part en fonction de l'impédance hydraulique. Le débit cardiaque Q est donné par la relation Q = LSV (ou RSV) * HR, où HR est le rythme cardiaque.

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