Electro-myocardial cardiogram (EmCG) Parameter's CSS/RSS for calculating heart performance
A method to evaluate Electro-Myocardial Cardiogram (EmCG) parameters is disclosed. The method comprises calculating a Contraction Strength Strain (CSS) and Relaxation Strength Strain (RSS) index. The calculation is represented by a non-linear waveform that represents the excitement function and pump function of the heart.
1 . A method for evaluating myocardial activity of a heart, the method comprising:
a. obtaining an electrical signal of cardiac activity of the heart;
b. processing said signal to form a multi-dimensional waveform;
c. calculating at least one ElectromyocardialCardiogram (EmCG) parameter using said processed signal, wherein said EmCG parameter is based on a strain strength activity of the heart; and
d. comparing said at least one EmCG parameter with values contained in an indices database to evaluate myocardial activity of the heart.
2 . The method of claim 1 further comprises: amplifying said electrical signal using an analog-to-digital processor and a digital-to-analog processor.
3 . The method of claim 1 , wherein said signal processing further comprises separating said signal into multiple components, wherein the multiple components can be selected from a group consisting of a time, a frequency, an amplitude and a location.
4 . The method of claim 1 , wherein the values stored in the indices database are measured EmCG parameters with respect to coronary heart disease.
5 . The method of claim 1 , wherein said calculating further comprises calculating a ratio of a pseudo value and a real value of a frequency domain function (f) of a response system.
6 . The method of claim 5 further comprises: calculating a minimum value of elements formed by lower limits of said ratio in time domain to obtain said EmCG parameter, wherein said minimum value is calculated for a range corresponding to a contraction and/or relaxation activity of the heart in a measured ECG signal.
7 . The method of claim 5 , wherein the frequency domain function (f) changes at a constant change rate.
8 . The method of claim 1 , wherein said EmCG parameter is calculated based on an equation
EmCG
parameter
=
lim
x
→
0
inf
xf
′
(
x
)
f
(
x
)
wherein, lim represents limit, inf represents indefinite integral, ƒ represents frequency domain function of the response system, ƒ′ represents pseudo value of f, and X represents variable for a time domain factor.
9 . The method of claim 1 , wherein said EmCG parameter is a Contraction Strain Strength (CSS) of the heart.
10 . The method of claim 1 , wherein said EmCG parameter is a Relaxation Strain Strength (RSS) of the heart.
11 . A method for evaluating myocardial activity of a heart, the method comprising:
a. obtaining an electrical signal of cardiac activity of the heart;
b. processing said signal to form a multi-dimensional waveform;
c. calculating a ratio of a pseudo value and a real value of a frequency domain function (f) of a response system;
d. calculating a minimum value of elements formed by lower limits of said ratio in all time domain to obtain at least one ElectromyocardialCardiogram (EmCG) parameter, wherein said minimum value is calculated for a range corresponding to a contraction and/or relaxation activity of the heart in a measured ECG signal; and
e. comparing said EmCG parameter with values contained in an indices database to evaluate myocardial activity of the heart.
12 . A method for evaluating myocardial activity of a heart, the method comprising:
a. obtaining an electrical signal of cardiac activity of the heart;
b. processing said signal to form a multi-dimensional waveform;
c. calculating at least one ElectromyocardialCardiogram (EmCG) parameter using said processed signal, wherein said EmCG parameter is calculated using an equation
EmCG
parameter
=
lim
x
→
0
inf
xf
′
(
x
)
f
(
x
)
wherein, lim represents limit, inf represents indefinite integral, ƒ represents frequency domain function of the response system, ƒ′ represents pseudo value of f, and X represents variable for a time domain factor; and
d. comparing said at least one EmCG parameter with values contained in an indices database to evaluate the myocardial activity of the heart.
13 . A system for evaluating myocardial activity of a heart, the system comprising:
a. a signal sensing means for obtaining an electrical signal of the heart;
b. a first processor capable of processing the electrical signal to form a multi-dimensional waveform;
c. a second processor capable of calculating a ratio of a pseudo value and a real value of a frequency domain function (f) of a response system, wherein said second processor is further capable of calculating a minimum value of elements formed by lower limits of said ratio in time domain to obtain said EmCG parameter, wherein said minimum value is calculated for a range corresponding to a contraction and/or relaxation activity of the heart;
d. an indices database containing EmCG parameter values for different heart conditions; and
e. a comparator for comparing said EmCG parameter with values contained in the indices database to evaluate the myocardial activity of the heart.
14 . The method of claim 13 , wherein the frequency domain function (f) changes at a constant change rate.
15 . The system of claim 13 , wherein said first processor and said second processor are integrated.
16 . The system of claim 13 further comprises: an analog-to-digital processor for amplifying the electrical signal.
17 . The system of claim 13 further comprises: a signal separator for separating the processed signal into multiple components, wherein the multiple components can be selected from a group consisting of: a frequency, a time, an amplitude and a location.
18 . The system of claim 13 , wherein said EmCG parameter is calculated based on an equation, wherein the equation is
EmCG
parameter
=
lim
x
→
0
inf
xf
′
(
x
)
f
(
x
)
wherein, lim represents limit, inf represents indefinite integral, ƒ represents frequency domain function of the response system, ƒ′ represents pseudo value of f, and X represents variable for a time domain factor.
19 . The system of claim 13 , wherein said EmCG parameter is a Contraction Strain Strength (CSS) of the heart.
20 . The system of claim 13 , wherein said EmCG parameter is a Relaxation Strain Strength (RSS) of the heart.