Write 6 pages with APA style on Patient Support Systems. The Expert System is computer software providing a solution to a problem with the use of artificial knowledge. “An expert system is a computer program that simulates the judgment and behavior of a human or an organization that has expert knowledge and experience in a particular field. Typically, such a system contains a knowledge base containing accumulated experience and a set of rules for applying the knowledge base to each particular situation that is described to the program.” 2 There are several rules in the, particularly designed software. Experts have good use of it. The Expert System includes everything related to a particular disease for which it is designed such as sings, causes, symptoms, diagnosis, treatment stages and procedures etc.Expert Systems and Intelligent Decision Support Systems are used for patient support. The reasons for the significance of the expert system are having “special knowledge, judgment, and experience. Higher performance level than the average person, faster solutions and recognize patterns.”&nbsp.The Expert System mainly comes to the decision by evaluating the data collected from the patients and this is what happens in the medical intervention of the Expert System. “An expert system evaluates the sensor data, combines the sensor data with stored probability data and provides an output signal for notification or medical intervention.” 4 In Intelligent Decision Support System, there are several stages to come to the decision. The stages include examining the symptoms and signs, testing, assessing, diagnosing, and prescription and cost-benefit analysis.