System and Method For The Detection of Acute Myocardial Infarction
First Claim
1. A method comprising:
- sensing at least one physiological signal in a first stage;
deriving a corresponding physiological parameter from each sensed signal in the first stage;
computing a probability of acute myocardial infarction from the physiological parameters in the first stage;
collecting additional information related to acute myocardial infarction in a second stage after the computed probability of acute myocardial infarction reaches a sufficient threshold in the first stage;
computing a probability of acute myocardial infarction from the collected additional information in the second stage; and
classifying an event as acute myocardial infarction when the computed probability in the second stage exceeds a predefined detection threshold.
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Abstract
A system and method are provided for the detection of acute myocardial infarction (AMI) using a staged approach for accurate and rapid detection. Physiological signals in a patient'"'"'s body are sensed and corresponding physiological parameters are derived in a staged approach in order to determine the probability that AMI is occurring in a patient in a first detection stage. If the computed probability from physiological signals indicates the possibility of AMI, then the patient is prompted, such as through a patient-wearable device, to answer specific AMI-related questions to assist in diagnosis of AMI in a second stage. AMI is detected when the computed probability in the second stage exceeds a predefined detection threshold. A patient or physician alert may then be generated, which may further include the transfer of data via a communication link or network, in response to an AMI detection signal.
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Citations
20 Claims
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1. A method comprising:
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sensing at least one physiological signal in a first stage; deriving a corresponding physiological parameter from each sensed signal in the first stage; computing a probability of acute myocardial infarction from the physiological parameters in the first stage; collecting additional information related to acute myocardial infarction in a second stage after the computed probability of acute myocardial infarction reaches a sufficient threshold in the first stage; computing a probability of acute myocardial infarction from the collected additional information in the second stage; and classifying an event as acute myocardial infarction when the computed probability in the second stage exceeds a predefined detection threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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at least one physiological sensor configured to sense a corresponding physiological signal; a controller configured to derive a corresponding physiological parameter from each sensed signal and to compute a probability of acute myocardial infarction from the physiological parameters in a first stage; the controller further configured to collect additional information related to acute myocardial infarction in a second stage after the computed probability of acute myocardial infarction reaches a sufficient threshold in the first stage; the controller further configured to compute a probability of acute myocardial infarction from the collected additional information in the second stage and to classify an event as acute myocardial infarction when the computed probability in the second stage exceeds a predefined detection threshold. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A system comprising:
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means for sensing at least one physiological signal in a first stage; means for deriving a corresponding physiological parameter from each sensed signal in the first stage; means for computing a probability of acute myocardial infarction from the physiological parameters in the first stage; means for collecting additional information related to acute myocardial infarction in a second stage after the computed probability of acute myocardial infarction reaches a sufficient threshold in the first stage; means for computing a probability of acute myocardial infarction from the collected additional information in the second stage; and means for classifying an event as acute myocardial infarction when the computed probability in the second stage exceeds a predefined detection threshold. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification