Method and apparatus for analyzing ventricular function

Details Method and apparatus for analyzing ventricular function Method and apparatus for analyzing ventricular function

1989-11-14

1991-11-12

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

282 22, 36441313, G06K 900

Patent

active

050654357

ABSTRACT:
A method for analyzing ventricular function comprises the steps for generating ED contour image data representing the contour of the heart in an end diastole (ED) phase and an ES contour image data representing the contour of the heart in an end systole (ES) phase, generating a graph of an average cardiac function of the normal heart, and generating a standard heart ES contour (or ED contour) image from the ED contour image or the S contour image of the subject heart, to be examined, by the graph of average cardiac function of the normal heart. The ED contour image data or ES contour image data of the heart of a subject to be examined is superimposed on the standard heart ES contour or the ED contour image data, to analyze the ventricular function of the subject from a state of superimposition between the contour image data of the subject's heart and the standard heart contour image data.

REFERENCES:
patent: 3869602 (1975-03-01), Sezaki et al.
patent: 4333145 (1982-06-01), Heuscher et al.
patent: 4843630 (1989-06-01), Catros et al.
Sheehan et al., "Diagnostic Methods--Ventricular Performance" 74 Circulation No. 2, 293-305, (Aug. 1986).
Sigel et al., "Interobserver and Intermethod Variation in Evaluation of Regional Wall Motion of the Left Ventricle", 6 Cardiovasc Intervent Radiol., 14-19, (1983).

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