Method, apparatus and system for validating and quantifying cardiac beat data quality
First Claim
1. A non-transitory computer readable program storage unit encoded with instructions that, when executed by a computer, perform a method for quantifying the quality of a fiducial time marker for a candidate heart beat, comprising:
- obtaining a fiducial time marker for a candidate heart beat in a first time series of candidate heart beats;
setting a beat quality index for said candidate heart beat to a first value;
testing said candidate heart beat with a first beat validity test;
setting said beat quality index to a second value indicative of whether said first beat validity test was passed;
testing said candidate heart beat with a second beat validity test;
setting said beat quality index to a third value indicative of whether said second beat validity test was passed;
performing at least one responsive action based upon the value of said beat quality index, the responsive action selected from the group consisting ofindicating the occurrence of an epileptic seizure event;
delivering a neurostimulation therapy to the patient to treat an epileptic seizure event;
warning at least one of a caregiver, the patient, or a physician; and
logging said beat quality index to a memory.
6 Assignments
0 Petitions
Accused Products
Abstract
Methods, systems, and apparatus for quantifying the quality of a fiducial time marker for a candidate heart beat, quantifying the quality of a candidate heart beat, or determining a time of beat sequence of the patient'"'"'s heart. A fiducial time marker is obtained for a candidate heart beat. A quality index of said candidate heart beat is set to a first value. The candidate heart beat is tested with at least one beat validity test. At least a second value is added to said quality index of said candidate heart beat if said candidate heart beat passes said at least one beat validity test. The candidate heart beat is tested with at least a second heart beat validity test. At least a third value is added to said quality index of said candidate heart beat if said candidate heart beat passes said at least second heart beat validity test. In one class of beat validity test, a constraint defining a pass is modified at one or more times after the most recent prior valid heart beat that is greater than a constraint modification time threshold.
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Citations
22 Claims
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1. A non-transitory computer readable program storage unit encoded with instructions that, when executed by a computer, perform a method for quantifying the quality of a fiducial time marker for a candidate heart beat, comprising:
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obtaining a fiducial time marker for a candidate heart beat in a first time series of candidate heart beats; setting a beat quality index for said candidate heart beat to a first value; testing said candidate heart beat with a first beat validity test; setting said beat quality index to a second value indicative of whether said first beat validity test was passed; testing said candidate heart beat with a second beat validity test; setting said beat quality index to a third value indicative of whether said second beat validity test was passed; performing at least one responsive action based upon the value of said beat quality index, the responsive action selected from the group consisting of indicating the occurrence of an epileptic seizure event; delivering a neurostimulation therapy to the patient to treat an epileptic seizure event; warning at least one of a caregiver, the patient, or a physician; and logging said beat quality index to a memory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for quantifying the quality of a candidate heart beat, comprising:
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obtaining a fiducial time marker for a candidate heart beat; testing said candidate heart beat with a first beat validity test; setting said beat quality index to a first value indicative of whether said first beat validity test was passed; testing said candidate heart beat with a second beat validity test; setting said beat quality index to a second value indicative of whether said second beat validity test was passed; and performing at least one responsive action based upon the value of said beat quality index, the responsive action selected from the group consisting of; indicating the occurrence of an epileptic seizure event; delivering a neurostimulation therapy to the patient to treat a medical condition; warning at least one of a caregiver, the patient, or a physician; and logging said beat quality index to a memory. - View Dependent Claims (14, 15, 16, 17)
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18. A method for quantifying the quality of a candidate heart beat, comprising:
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receiving a reference time marker for a signal portion representative of a candidate heart beat; determining a first quality criterion for validating said candidate heart beat; testing said candidate heart beat with a first beat validity test using at least said first quality criterion; determining a second quality criterion for validating said candidate heart beat; testing said candidate heart beat with a second beat validity test using at least said second quality criterion; associating a beat quality certification to said candidate heart beat based on said first and second beat validity tests; and performing at least one responsive action based upon the value of said beat quality certification, the responsive action selected from the group consisting of; indicating the occurrence of an epileptic seizure event; delivering a neurostimulation therapy to the patient to treat a medical condition; warning at least one of a caregiver, the patient, or a physician; and logging said beat quality index to a memory. - View Dependent Claims (19, 20, 21, 22)
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Specification