During the last few years the medical IT infrastructure within clinical environments has changed dramatically by introducing a multiplicity of department-specific information systems. The major problem of this trend is the lack of a proper communication mechanism among these systems. How can information that is located outside the users current application be accessed? In order to answer this question, the author provides a general overview on IHE. Based on this, the realization of an Integration Profile - Retrieve Information for Display - is illustrated in detail. Therefore the reader can...