Techniques for Predicting Cardiac Arrhythmias Based on Signals from Leads of Electrocardiography
First Claim
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1. A method comprising:
- obtaining first data that indicates an electrocardiography recording from a patient;
automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording;
determining a value for a first parameter, called Pindex3, based on a standard deviation of P-wave durations automatically derived from only three leads of the plurality of leads;
determining a risk of incidence of cardiac arrhythmia for the patient based, at least in part, on the first parameter, Pindex3; and
presenting on a display device output data that indicates the risk of incidence.
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Abstract
Techniques for predicting cardiac arrhythmia includes obtaining first data that indicates an electrocardiography recording from a patient; and, automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording. A value for a first parameter, Pindex3, is determined based on a standard deviation of P-wave duraations automatically derived from only three leads of the plurality of leads. A risk of incidence of cardiac arrhythmia for the patient is determined based, at least in part, on the first parameter, Pindex3.
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Citations
17 Claims
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1. A method comprising:
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obtaining first data that indicates an electrocardiography recording from a patient; automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording; determining a value for a first parameter, called Pindex3, based on a standard deviation of P-wave durations automatically derived from only three leads of the plurality of leads; determining a risk of incidence of cardiac arrhythmia for the patient based, at least in part, on the first parameter, Pindex3; and presenting on a display device output data that indicates the risk of incidence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A non-transitory computer-readable medium carrying one or more sequences of instructions, wherein execution of the one or more sequences of instructions by one or more processors causes an apparatus to perform the steps of:
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obtaining first data that indicates an electrocardiography recording from a patient; automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording; determining a value for a first parameter, Pindex3, based on a standard deviation of P-wave durations automatically derived from only three leads of the plurality of leads; determining a risk of incidence of cardiac arrhythmia for the patient based, at least in part, on the first parameter; and presenting on a display device output data that indicates the risk of incidence.
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15. An apparatus comprising:
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at least one processor; and at least one memory including one or more sequences of instructions, the at least one memory and the one or more sequences of instructions configured to, with the at least one processor, cause the apparatus to perform at least the following, obtaining first data that indicates an electrocardiography recording from a patient; automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording; determining a value for a first parameter, Pindex3, based on a standard deviation of P-wave durations automatically derived from only three leads of the plurality of leads; determining a risk of incidence of cardiac arrhythmia for the patient based, at least in part, on the first parameter; and presenting on a display device output data that indicates the risk of incidence.
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16. A system comprising:
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means for obtaining first data that indicates an electrocardiography recording from a patient; means for automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording; means for determining a value for a first parameter, Pindex3, based on a standard deviation of P-wave durations automatically derived from only three leads of the plurality of leads; means for determining a risk of incidence of cardiac arrhythmia for the patient based, at least in part, on the first parameter; and means for presenting on a display device output data that indicates the risk of incidence.
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17. A system comprising:
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a display device; at least one processor; and at least one memory including one or more sequences of instructions, the at least one memory and the one or more sequences of instructions configured to, with the at least one processor, cause the apparatus to perform at least the following, obtaining first data that indicates an electrocardiography recording from a patient; automatically deriving, on a processor, P-wave characteristics on a plurality of leads of the electrocardiography recording; determining a value for a first parameter, Pindex3, based on a standard deviation of P-wave durations automatically derived from only three leads of the plurality of leads; determining a risk of incidence of cardiac arrhythmia for the patient based, at least in part, on the first parameter; and presenting on the display device output data that indicates the risk of incidence.
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Specification