Usage of Expert Systems in Medical Diagnosis

A medical diagnosis expert system can be used in doctors waiting room and patients can use the touch screen to answer symptoms questions. The system will search for the diseases and symptoms and will result a list of possible diagnosis that can help the doctor for further investigations.

What are the advantages of Medical Diagnosis Expert System?

  • It helps the doctor on saving time, so doctor will not need to ask about each symptoms the patient is facing by himself.
  • It will give a suggestion of diagnosis to the doctor based on the information in the database
  • It clearly has a higher amount of information in the memory than doctor, so it can save up doctors time in searching.
  • The knowledge base of this system can easily be extended or updated.

What are the Disadvantages of Medical Diagnosis Expert System?

  • It may be hard to describe symptoms to the computer program
  • It lacks of human touch, means personal checkup of the doctor out of symptoms.
  • It relies on basic level of skills from users.

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What is an Expert System? Advantages and Disadvantages of it.

Well the exam I have to sit tomorrow made me to post this, as I gathered these information after studying alot of slides and website, I thought it would be nice to publish a clean summary of information here, these may help you in your studying if by any chance you have to pass such module in future.

What is an Expert System?

An Expert System is a computer program coded to simulate knowledge and behavior of an individual or an organization which is expert in some particular field, usually all expert systems contain a knowledge base which is accessible by a set of rules depending on specific situations. Among the number of expert systems the best examples of they can be named as Chess Game or the medical diagnosis expert systems.

What are the advantages of them?

  • The knowledge base can be updated and extended
  • They can contain a large amount of information

But the disadvantages are:

  • They are not able to learn from the mistakes
  • They cannot creatively come with new solutions for the issues
  • It’s not easily achievable to mimic the exact knowledge of an Expert in Computer Programs

 Components of an Expert System:

an Expert System contains of 3 components, which are User Interface , Inference Engine and Knowledge base.

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