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The clinical point of care is a complex area including patients, clinicians, information technology systems and medical devices. Traditionally, these systems have been designed to function individually and have only been integrated by the decision making capability of the clinicians. As clinical environments become more complex, there is increased need to tightly integrate medical devices and information systems in order to support clinicians by providing them with the right information at the right time. Integrated interoperable systems also promise to relieve clinicians’ workload and improve patient safety by reducing nuisance alarms and allowing closed-loop control systems. Supporting these applications requires development of tools with which to model and understand clinical processes. Modeling clinical workflows and decision making can produce systems level requirements that have not been fully understood in the development of point of care systems. In this poster we show the detailed workflow diagrams that can be used in the derivation of systems requirements needed for use in an interoperable clinical environment.