Design And Implementation Of An Expert System On Medical Diagnoses And Prescription

Project and Seminar Material for Computer Science and Computer Engineering

Design And Implementation Of An Expert System On Medical Diagnoses And Prescription


As the need of system almost every activity man can perform increase, software for the admission of students into polytechnics should not be left out. This software can process the credentials of 1000 credentials in about 20 minutes higher one computer operator if provided with the required data and this would have taken about 4 people 12 hours to do.

This project was borne out of the necessite to address the inherent problem encountered by staff of the admission department and students of Akanu Ibiam Federal Polytechnic Uwana, Afikpo.

The manual processes involved in the admission of students were critically examined and the flows noted. The software often to a great extent, the solutions to these problems. The project went further to treat the different techniques used in implementing the new software in order to facilitate a broader understanding of the designed software by any user.

The project also presents in a concise, yet through form, the various mechanics included in locating and addressing the issue of time wastage in the admissions of student. If offers the prospective user a sense of achievement.

Table of Contents

  • Title Page
  • Abstract
  • Table of Contents

Chapter One

1.0 Introduction

  • 1.1 Background of study
  • 1.2 Statement of the problems
  • 1.3 Purpose of the study
  • 1.4 Aims and Objective
  • 1.5 Scope of the study
  • 1.6 Limitations
  • 1.7 Assumptions
  • 1.8 Definition of terms

Chapter Two

2.0 Literature Review

Chapter Three

3.0 Description and Analysis of the Existing System

  • 3.1 General description of the existing system
  • 3.2 Fact finding methods used
  • 3.3 Objectives of the existing system
  • 3.4 Input, process and output analysis
  • 3.5 Information flow diagram
  • 3.6 Problems of the exiting system
  • 3.7 Justification for the new system

Chapter Four

4.0 Design of the New System

  • 4.1 Design considerations
  • 4.2 Input specification and design
  • 4.3 Output specification and design
  • 4.4 File design and storage considerations
  • 4.5 Procedure chart
  • 4.6 System flow chart
  • 4.7 System requirements

Chapter Five

5.0 Implementation of the New System

  • 5.1 Program design
  • 5.2 Program flowcharts Implementation
  • 5.3 Pseudocodes
  • 5.4 Source programs
  • 5.5 Test Data
  • 5.6 Sample Report

Chapter Six

6.0 Documentation

  • 6.1 System documentation
  • 6.2 Program documentation
  • 6.3 Use documentation

Chapter Seven

7.0 Conclusion and Recommendation

  • 7.1 Conclusion
  • 7.2 Recommendation
  • Bibliography

Chapter One


1.1 The Background of the Study

Expert system play an indomitable role in various disciplines and the assistance it renders to man cannot be overemphasized. This chapter marks the beginning of the design of an expert system on medical diagnosis and prescriptions. For a smooth take off, the statement of the problem, purpose of study, aims and objective, scope of study, limitation, assumption, definition of terms are treated which are pre-requisites for the design.

These key points are extensively treated in the proceeding chapters to justify the claims.

1.2 Statement of the Problem

Expert system can be defined as a sophisicated software, which aids some expert and professional in various disciplines to carry out some vital functions. The use of expert system can be broadly applied in medical diagnosis and prescriptions oil prospecting and chemistry on the artificial intelligence. This is an act of subjecting a computer system to take some intelligent decisions based strictly on the problems at stake.

The use of expert system on medical diagnosis and prescriptions include the interest of the research because of some spectacular activities it accomplished and to bring the awareness of the software to the doorstep of the readers and other medical and paramedical personnel’s.

The software helps the junior doctors accompanied by a nurse in answering the calls of some patients with tedious problems. This also helps the doctors generating some wise questions from a patient, based on the problems confronting him in order to get rid of some outstanding irregularities. Some potentialities built-in, which serves as a watch, dog patients on the sick beds. It helps in alerting a medical practitioner on call of imminent dangers against a patient and alleviates nurses the task of engaging themselves routine visits.

1.3 Purpose of Study

One of the major hindrances is that militate the sob of medical doctors is the problem of decision taking. This is sometimes brought about by mobility to generate some wise questions, which will form a locus study in taking a lasting decision. This may at the long run become detrimental to the patient concerned henceforth calling for a sorry situation.

1.4 Aims and Objective

In order to give an orientation to the case under study, the researcher has decided to present the following Aims and Objective.

  1. Expert system helps a medical doctor in decision-making strategies.
  2. Judicious medical prescriptions are facilitated by an expert system.
  3. Expert system plays an unover emphasizing role in assisting the paramedical personnel’s in acting like qualified medical doctors.

1.5 Scope of Study

Anybody can act like a professional in an discipline whether affiliated to him or not if he has all the necessary tenets to act. A paramedical staff can behave like a medical doctor If he has. Within his jurisdiction some aiding equipment. This can be so helpful in the absence of a qualified medical doctor to salvage lives.

1.6 Limitation

The write of this project intended to carrying out an extensive study on expert systems in medic al diagnosis and prescriptions in many hospitals around Enugu State but narrowed it due to some unavoidable constraints. These limitations came as a result of financial constraints to four round those hospitals. Another reason is time factor, which was so shot to warrant the necessary researches.

1.7 Assumptions

The following assumptions are tabled based on the study.

If computer expert are not deployed to accomplish the computer-oriented assignments, the aim of the design is zeroed.

Due to neglect of expert system, medical work is not facilitated limited use of expert system in hospitals lead to gross inefficiency.

1.8 Definition of Terms

Expert System:

A computer software which simulated the decision-making behaviour of an expert a particular field of knowledge.


Act of examining a patient to find the confronting issues and what must have caused them.

Computer System:

An electronic device which helps in the simulation of some intelligent decision in different fields in a similar way like human brains.


These are group of men and women who work in a organization.


This is supper medical

Chapter Seven

Conclusion and Recommendation

7.1 Conclusion

Following the result obtained from the analysis of data, the following conclusions may be drawn.

  1. Quite obviously at this moment, it can be buttressed that expert systems play an outstanding role in decision-making strategies.
  2. The tendency to medically prescribe medicines against illnesses depicted its role in medical prescriptions.
  3. Above all, the assistance it grants to paramedical personnel’s hence making them act like medical practitioners proved the third hypothesis.

7.2 Recommendations

Based on the conclusion, the following recommendations were mode.

  1. Expert system awareness should be created in hospitals for the sake of man.
  2. The use of computer should be thought to hospital workers both doctors and their allies.
  3. Expert system is a landmark in medical diagnosis and the awareness should be passed down to secondary school.

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