Detection of patient deterioration and triage (prioritization of care) are two critical tasks in the high risk environment and interdisciplinary care model of patients in an intensive care unit. To make decisions and plan treatments, clinicians need to observe, integrate, communicate, and understand a wide range of information from various devices located at the bedsides of multiple patients. However, several technological and physical limitations prevent them from optimally performing these tasks, which negatively impact the capabilities of healthcare teams. The Monitoring Messenger concept was developed to overcome some of these challenges by integrating information on a mobile device and supporting team decision-making and information exchange. Results from the initial phases of this project: requirements definition using Cognitive Work Analysis and rapid device prototyping are presented in this paper.