Electrocardiographic apparatus for analyzing the function of a heart and for pacing the heart dependent on the analysis
First Claim
1. An electrocardiographic apparatus comprising:
- measurement means for measuring a heart variable of a heart and for generating a real-time measurement signal characterizing said heart variable;
parameter signal generator means for generating a real-time parameter signal from said measurement signal, said measurement signal and said parameter signal having simultaneously changing values; and
evaluation means for identifying said simultaneously changing values in real-time and for determining whether said simultaneously changing values satisfy predetermined conditions for generating an evaluation result indicative of the functioning of said heart.
1 Assignment
0 Petitions
Accused Products
Abstract
A device for analyzing the function of a heart has an electrical measurement unit for generating a measurement signal related to an electrical or mechanical heart variable, and an evaluation unit for evaluating the measurement signal. The device further includes circuitry for generating at least one parameter signal from the measurement signal. The evaluation unit analyzes related values in the measurement signal and the parameter signal, these related values corresponding to coordinates which form a curve in a coordinate system, the measurement signal and the parameter signal serving as coordinate axes, by sensing the sequence in which the curve passes a predesignated number of areas in the coordinate system. The device is capable of detecting spontaneous and stimulated heartbeats, tachyarrhythmias, retrograde conduction, ectopic beats, etc.
7 Citations
12 Claims
-
1. An electrocardiographic apparatus comprising:
-
measurement means for measuring a heart variable of a heart and for generating a real-time measurement signal characterizing said heart variable; parameter signal generator means for generating a real-time parameter signal from said measurement signal, said measurement signal and said parameter signal having simultaneously changing values; and evaluation means for identifying said simultaneously changing values in real-time and for determining whether said simultaneously changing values satisfy predetermined conditions for generating an evaluation result indicative of the functioning of said heart. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. An electrocardiographic apparatus comprising:
-
means for measuring a heart variable of a heart and for generating a real-time measurement signal characterizing said heart variable; parameter signal generator means for generating a real-time parameter signal from said measurement signal, said measurement signal and said parameter signal having simultaneously changing values; means for plotting a real-time curve of said simultaneously changing values in a two-axis coordinate system; a plurality of comparators, each comparator having at least one of said measurement signal or said parameter signal as an input signal and each comparator generating an output representing a line in said coordinate system, said lines respectively delineating a predetermined number of areas in said coordinate system, and each comparator generating an output signal when said curve is on one side of the line associated with that comparator; and sequence analyzer means for determining a sequence with which said comparators generate said output signals, said sequence serving as an analysis result indicative of the functioning of said heart. - View Dependent Claims (10, 11, 12)
-
Specification