Surgery – Diagnostic testing – Cardiovascular
Patent
1998-03-26
2000-09-12
Jastrzab, Jeffrey R.
Surgery
Diagnostic testing
Cardiovascular
A61B 50428
Patent
active
061190357
ABSTRACT:
A method and system are provided for quickly and efficiently producing multiple syntheses of 12-lead electrocardiographs utilizing fewer than the 12 leads provided by a full electrode set. The method and system achieve their objects as follows. One or more 12-lead electrocardiograph leads are synthesized from a first subset of a patient's physically present 12-lead electrocardiograph leads. In response to user-defined parameters, one or more 12-lead electrocardiograph leads are synthesized from a second subset, different than the first subset, of a patient's physically present 12-lead electrocardiograph leads. Also set forth are a method and system are provided for synthesizing a 12-lead electrocardiograph utilizing fewer than the 12 leads provided by a full electrode set. Therein, a subset of the full electrode set is attached to a patient. A subset of 12-lead electrocardiograph leads formed by the attached subset is identified. In response to the identified subset of 12-lead electrocardiograph leads, a synthesis matrix is recalled. In response to the recalled synthesis matrix, an accuracy factor associated with the recalled synthesis matrix is recalled. And, one or more 12-lead electrocardiograph leads are synthesized by applying the recalled synthesis matrix and the recalled accuracy factor to the identified subset of 12-lead electrocardiograph leads formed by the attached subset. Also set forth are a method and system for assessing the accuracy of synthesis electrocardiograph leads. Therein, one or more additional electrodes are attached to the patient. One or more 12-lead electrocardiograph leads are generated from the attached one or more additional electrodes. And, the generated one or more 12-lead electrocardiograph leads are compared with correspondent synthesized one or more 12-lead electrocardiograph leads.
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Schere et al., Synthesis of the 12-lead electrocardiogram from a 3-lead semi-orthogonal subset using patient specific linear transformation matrix, Computers in Cardiology 1988, IEEE Comput. Soc. Press, 1989. Abstract.
Hewlett--Packard Company
Jastrzab Jeffrey R.
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