This article analyzes the impact of workflow on EHR systems and provides a clear understanding of various theoretical frameworks and formalisms for workflows, modeling clinical guidelines, pathways. Four peer-reviewed articles are compared and reviewed to offer a broad understanding of the current development status and provide future recommendations. The implementation of IT technologies in the health sectors can offer many new opportunities. For future recommendation, it is possible to build a virtual electronic health record database based on the client-server architecture using current internet and object-oriented (OO) technologies.