Medical Data and Semiology

  • Patrice Degoulet
  • Marius Fieschi
Part of the Health Informatics Series book series (HI)


Expressions such as “data acquisition” or “gathering information” are employed frequently in the practice of medicine. They may lead one to believe that information is readily available, and it is sufficient to gather it to make a diagnosis and propose a treatment. Indeed, a seemingly objective parameter such as a biological dosage can only be interpreted, in other words become information, by considering the motivation for the prescription, the blood sampling conditions, the method used for measuring, etc. A symptom or a clinical or radiological sign is the result of a complex decision-making process. Health professionals are constantly led to consider one or several hypotheses, then to search for elements that can either confirm or refute them. The hypotheses that are retained will serve as the basis for developing more synthetic information and for making decisions.


Positive Predictive Value Negative Predictive Value Medical Data True Negative Radiological Sign 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Patrice Degoulet
    • 1
  • Marius Fieschi
    • 2
  1. 1.Faculté de Médecine, Broussais Hôtel-DieuUniversité Pierre et Marie CurieParisFrance
  2. 2.Faculté de MédecineUniversité d’Aix-Marseille IIMarseilleFrance

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