Essay --

INTRODUCTION Nowadays. Information engine room (IT) is a familiar term for the mess and the proficient. This technology is development rapidly and introducing in all social palm as well as influencing on all sciences and being touch by the other sciences. All processes and steps of remedial healthy cares take for been depended heavily on centering knowledge and its transfer. Information technology is overly used increasingly for new medical practices, effective and active management of health cares and medical profession knowledge. In medical profession is inescapably required the informed scientists and intelligent expert having enough knowledge of think matters, comprehensive knowledge of medical devices and its technology as well as information and communication technologies. Medical informatics (data processing ) science which is developing and growing rapidly includes decision making based on the information, therapy display, opinionated management, information savi ng and its retaining, management scheme, model identifying and image and signal processing. technical system is a subdivision of artificial intelligence and an expert system is the one having expertise within a special field and may be applied to that field for decision making and/or lot the expert people for decision making 1. Expert system is a component of the process for intelligently automation of the processes regarded as artificial intelligence. erstwhile John MC charty created Lisp language in masachoset institute of technology in 1960, it was as the initial step toward an expert system . from that get wind onward, a variety of expert systems have been developed and applied alike(p) CMS, XI-PLUS, ROSIE, OPS5, EMYCIN, EXPERT and so on. An expert system is comprised o... ... beyond the studying of engineer relationship and subject not found among the nodes. Maybe the most authorized problem in giving the network and the most important interests in processing rule wer e wanted to be identified gradually and this need was related to both the knowledge and cognition of small zone separate and the alignment of experts sharing in this study. since the expert did not use these cases for phase modulation and interpreting , their clinical reasoning, asking them to say whatever they know was only vain. Nevertheless, discussing with somewhat special patients with severe diseases and encouraging our colleagues in interpreting the trends and their decisions, some of them who were nt expert in a field got information about a piece of knowledge of applied environment, that is, personal inferencial realities which an expert regards them in solving the problem2.