Question

You are required to present an outline design of a system that will be used by doctors at a medical practice to keep basic patient records. The system should record each consultation between a doctor and patient, any illness diagnosed by the doctor, and any drugs prescribed to the patient. At regular intervals, an auditor will use the system to check whether the same drug is being prescribed repeatedly to a particular patient.

(a) How would you go about determining the detailed requirements for this system?

(b) Construct one or more UML use case diagrams, showing the overall structure of a system that

      includes the elements described above.

(c) Using another type of UML diagram, illustrate the runtime behavior of one of the use cases.

(d) Explain why you chose the specific UML diagram used in part (c).

Answer 1

Question a:

There are two type of requirement for the system

1. Functional requirement : It consists various things like

• a) Patient database : In system a complete and detailed information is adding by staff in which each patient is reorganized by Patient ID and other information related to patient his/her age , disease , address .
• b) Diagnosed database : In system a complete information about the illness that are diagnosed by particular doctor with doctor ID .
• c) Drugs details : In system complete information about drugs like manufacturer date , expire date , quantity of prescribed with Patient ID , age , disease.
• d) Registration access: The system must provide access ID and Password for  doctor and auditor to access the details

2. Non-Functional requirement : It consists various things like

• a) Security : The system must be secured from external used by someone . No unauthorized person insert , delete or update the information in the system.
• b) Performance : The performance of the system must be fast and user-friendly. If the system is slow down while accessing by doctor and auditor then it wastes her/his time and that is not good for there work.
• c) Maintainability: The System must be efficient to back up data on regular basis and provide error message when some wrong actions are performed.
• d) Reliability :The system must work 24 hour and 7 days without any disturbance.

Question b:

In the use case diagram there are two actor

• 1. Doctor
• 2. Auditor

Question c:

Sequence diagram is used for illustrate the runtime behavior of one of the use cases.

I am using the use case : Prescribed Drugs (In which both actor and system are involved)

Question d:

I am using the sequence diagram for illustrate the runtime behavior of one of the use case because the behavior is analysis by using one of the behaviors diagram of UML and Sequence diagram provide the neat and clear interaction between the actors and system .

Thank you.................