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Method and apparatus for performing mapping-type analysis including use of limited electrode sets

  • US 5,318,037 A
  • Filed: 10/13/1992
  • Issued: 06/07/1994
  • Est. Priority Date: 05/09/1991
  • Status: Expired due to Term
First Claim
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1. A system for receiving a first set of electrical signals from a patient at less than twenty electrodes to obtain information that is conventionally available from a second set of electrical signals collected from a greater number of electrodes, said system comprising:

  • transformation means for receiving the first set of electrical signals and for performing a linear transformation upon the first set of electrical signals, using a least-squares approximation, to generate a transformed vector representative of a map-type data set that is itself representative of the second set of electrical signals; and

    extraction means for extracting at least one feature from said map-type data set.

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