The paper addresses socio technical relations of implementing a lightweight IT app in Norway. The focus is on how such technology will influence the possibilities for an organization connected to a large-scale heavyweight IT infrastructure to provide more rapid changes in line with healthcare worker’s needs. The research question is therefore: How can lightweight IT support rapid organizational changes? The empirical site is one of the first health trusts in Norway implementing lightweight technology integrated to their Electronic Health Record (EHR). The lightweight technology is a nursing app for registering early- warning score (NEWS) bedside the patients. The paper is based on a qualitative interpretive approach, and the results are discussed in line with information infrastructure theory.