1) Identify all the actors that will use RTGM 2)Using actors that you identified in question 1, develop a lost of use cases based on the user goal technique. draw a use case diagram for these use cases. 3) Using the event decomposition technique for each event, you identified in the description, name the event, state the type of event, and name the resulting use cases.

Recall the Sandia Medical Devices Real-Time Glucose high glucose alert might record voice messages Monitoring (RTGM) system introduced in Chapter 2. describing how they feel or what they had recently As the project began, interviews with patients and eaten. Some patients thought that sharing such physicians about potential RTGM capabilities and information with their health-care providers might interaction modes identified several areas of concern be valuable, but others only wanted such inforthat will need to be incorporated into the system mation for themselves. requirements and design. The relevant patient concerns Physicians expressed these concerns: include: Viewing and interpreting data and trends: Patients They do not want to be the "first line of want to be able to view more than their current response" to all alerts. They prefer that nurses or glucose level. They would like the ability to see physician assistants be charged with that role past glucose levels over various time periods, with and that they be notified only when frontline a specific focus on time periods during which their personnel determine that an emergency situation glucose was within and outside of acceptable exists. ranges. A graphical view of the data is preferred, They want to be able to monitor and view past although some patients also want to be able to see patient data and trends in much the same way as actual numbers. described for patients. Additional data: Some patients want to be able to They want all their actions to be logged and for enter text notes or voice messages to supplement patient-specific responses to be stored as part of glucose level data. For example, patients who see a the patient's electronic medical record. (continued on page 90)