Method and apparatus for determining metabolic factors from an electrocardiogram
First Claim
1. A non-invasive method for determining a metabolic factor, comprising the steps of:
- obtaining a first derivative of an electrocardiogram measurement;
determining Rx, an absolute value of a positive spike of the first derivative;
determining RSx, a sum of absolute values of the positive and negative spikes of the first derivative; and
dividing Rx by RSx to determine Vx, a number proportional to the metabolic factor
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Abstract
Methods and devices are provided for determining metabolic factors using electrocardiogram measurements from a person'"'"'s Wilson points. A first derivative of an electrocardiogram measurement is calculated. A ratio is calculated of the absolute value of the positive spike of the first derivative to the sum of the absolute values of the positive and negative spikes. In some embodiments, the ratio is multiplied by a constant to determine a metabolic factors. Further operations may be performed on the ratio to determine other metabolic factors. In some embodiments, a garment is provided for easily locating Wilson points. Methods and devices are provided for taking and processing EGC measurements to determine metabolic factors and for using the metabolic factors to optimize an exercise program.
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Citations
24 Claims
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1. A non-invasive method for determining a metabolic factor, comprising the steps of:
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obtaining a first derivative of an electrocardiogram measurement;
determining Rx, an absolute value of a positive spike of the first derivative;
determining RSx, a sum of absolute values of the positive and negative spikes of the first derivative; and
dividing Rx by RSx to determine Vx, a number proportional to the metabolic factor - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for determining metabolic factors from electrocardiogram measurements, comprising:
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means for obtaining a first derivative of an electrocardiogram measurement;
means for determining Rx, an absolute value of a positive spike of the first derivative;
means for determining RSx, a sum of absolute values of the positive and negative spikes of the first derivative; and
means for dividing Rx by RSx to determine Vx, a number proportional to the metabolic factor. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An apparatus for determining metabolic factors from electrocardiogram measurements, comprising:
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an input for receiving signals from an electrocardiogram unit;
a processor for executing one or more software programs to determine R2, R6, RS2 and RS6, for calculating V2 and V6, and for performing an operation on V2 and V6 to determine the metabolic factor; and
a memory for storing the software programs, wherein;
R2 is an absolute value of a positive spike of a first derivative of an electrocardiogram measurement of a V2 Wilson point;
RS2 is a sum of absolute values of the positive and negative spikes of the first derivative of the electrocardiogram measurement of the V2 Wilson point;
R6 is an absolute value of the positive spike of a first derivative of an electrocardiogram measurement of a V6 Wilson point;
RS6 is the sum of absolute values of the positive and negative spikes of the first derivative of the electrocardiogram measurement of the V6 Wilson point;
V2 equals R2 divided by RS2; and
V6 equals R6 divided by RS6. - View Dependent Claims (17, 18, 19, 20, 21)
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22. An apparatus for planning an exercise program, comprising:
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means for determining a phase of a person'"'"'s ECP factor based on an electrocardiogram measurement; and
means for recommending a workout according to the determined phase of the ECP factor. - View Dependent Claims (23, 24)
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Specification