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Data processing system which suggests a pattern of medical tests to reduce the number of tests necessary to confirm or deny a diagnosis

  • US 4,731,725 A
  • Filed: 09/18/1986
  • Issued: 03/15/1988
  • Est. Priority Date: 06/24/1981
  • Status: Expired due to Term
First Claim
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1. A data processing system for identifying a sequence of diagnostic procedural steps for using medical diagnostic apparatus to generate, for an operator, information to confirm or reject a diagnosis hypothesis, said sequence minimizing said procedural steps before said diagnosis hypothesis can be confirmed or rejected comprising:

  • means for storing data representing decision tree elements required to construct a decision tree indicating a predetermined combination and order of medical inspections, said medical inspections generating information which said operator uses to confirm or reject a diagnosis hypothesis corresponding to any of a plurality of diseases;

    means, coupled to said storing means, for assembling said data to construct a decision tree of medical inspections, said medical inspections generating information to confirm or reject a particular diagnosis hypothesis;

    means, coupled to said storing means and said assembling means, for allowing said operator to enter a degree to which each of said medical inspections in said constructed decision tree minimized said procedural steps in confirming or rejecting said particular diagnosis hypothesis and for generating statistical indications of said degree of minimizing said procedural steps for each of said medical inspections;

    said assembling means also being for modifying said constructed decision tree, based on said statistical indications, to minimize the number of said medical inspections which said operator uses, to confirm or reject said particular diagnosis hypothesis; and

    means, coupled to said assembling means for indicating visual information corresponding to data signals of said constructed decision tree of medical inspections supplied from said storing means and said assembling means.

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