Virtual Patient Ideas for modelisation V2


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Virtual Patient Ideas for modelisation V2

  1. 1. Virtual Patient Ideas for modelisation V2 26 november 2009
  2. 2. Ontologies and classes structure Virtual Patient Symptom Anatomical Entity Student Session People ontology Virtual Cases ontology Action SKOS: -synonyms in Patient’s vocabulary Event Formal Ontology(ies) -BFO -DOLCE -Galen Document Virtual Case isSituatedOn Anatomy ontology Is-a TemporalSpace SpatialSpace Is-a occurSince/During/Before/After Is-a Medical Record Ontology -Galen -POMR
  3. 3. What seems to be the problem (patient’s main complaint) ? <ul><li>Find all symptoms marked as “main complaint”, and the associated anatomical entity and temporal space. </li></ul><ul><li>List all symptoms in a sentence: “I’ve been feeling <symptom> in my <Anatomical Entity> (since/during/after <TemporalSpace>)” . The information about time will be revealed immediately or after further questioning, depending on the programming choice. </li></ul>Symptom Anatomical Entity isSituatedOn isMainComplaint: true TemporalSpace occurSince/During/Before/After
  4. 4. How long have you felt the <symptom> ? <ul><li>Find the associated temporal space in the triple <symptom,occurSince,TemporalSpace> </li></ul>Symptom TemporalSpace occurSince/During/Before/After
  5. 5. Do you feel any pain in <anatomical entity> ? <ul><li>Find symptom of class Pain associated to <anatomical entity> in the triple <Symptom, isSituatedOn, Anatomical Entity> </li></ul>Symptom Anatomical Entity situatedOn Pain
  6. 6. Can you describe the pain in your <anatomical entity> ? <ul><li>Find a symptom of class Pain situated on <anatomical entity>. </li></ul><ul><li>Use the properties of the Pain object to build a sentence: “the pain is sharp/deep and constant/ intermittent”, etc. </li></ul>Symptom Anatomical Entity situatedOn Pain - Sharpness: x - isIntermittent: true/false
  7. 7. When does that <symptom> generally occur ? <ul><li>Find the Temporal space in the triple <symptom, occurDuring, Temporal Space> </li></ul>Symptom TemporalSpace occurSince/During/Before/After
  8. 8. Tell me about your <anatomical entity> ? <ul><li>Find symptoms linked to the anatomical entity by a triple <Symptom, isSituatedOn, AnatomicalEntity> </li></ul><ul><li>Build a sentence: “I’ve been experiencing <symptom>” or “why are you asking me about my <anatomical entity> ? I have <symptom> in my <anatomical entity> (main complaint symptoms).” </li></ul>Symptom Anatomical Entity isSituatedOn
  9. 9. Further Questions and models <ul><li>Questions </li></ul><ul><ul><li>Have you taken any medication recently ? </li></ul></ul><ul><ul><li>Did the <medication> you took have any effect ? </li></ul></ul><ul><ul><li>Has your <symptom> changed (improved, worsened) in the last <length of time> ? </li></ul></ul><ul><ul><li>Is there anything that makes the <symptom> better or worse ? </li></ul></ul><ul><li>=> Model: </li></ul><ul><ul><li>Changes in the state of patient (evolution of symptoms, Occurents vs. Continuants in Basic Form Ontology or DOLCE) </li></ul></ul><ul><ul><li>Drug history </li></ul></ul><ul><ul><li>Links between actions in relations to events (before first event, between events) </li></ul></ul>