Introduction to Software Engineering Exercise II

Currently hospitalized patients are mainly nursing by nurses, so do not only need a large number of nurses, and because can not always observe the risk of disease changes, but also may delay the rescue time. A hospital intends to develop a computer-centric patient monitoring system, try to write out the definition of the problem, and analyze the feasibility of developing the system.

The basic requirements of the hospital patient monitoring system are to accept each patient's physiological signal (pulse, temperature, blood pressure, ECG, etc.) at any time, to record the patient's condition and to form the patient log regularly, and to warn the nurse on duty when the physiological signal of a patient exceeds the safety range prescribed by the doctor, in addition, The nurse can also ask the system to print out a specific patient's condition report when needed. Please draw the system's streaming diagram

• From the problem statement, the system data source point is "patient" and "nurse", they provide the physiological signal and request the condition report information respectively. Further analysis of the problem statement, from the system should "regularly record patient status to form a patient log" this request can be thought of, there should also be a date and time information to provide a "clock" as the data source point.

• It is easy to see from the problem statement that the data endpoint of this system is the nurse who receives the warning message and the condition report.

• The system's processing function for patients ' physiological signals is mainly "receiving signal", "analyzing signal" and "generating warning message".

In addition, the system should have the function of "timing sampling physiological signal", "Update Log" and "Report of illness".

• In order to analyze whether a patient's physiological signal is outside the prescribed safety range, the patient's safety range information should be stored. In addition, the "Patient Log", which is formed when the patient's physiological signals are recorded regularly, is also clearly a data store.

Introduction to Software Engineering Exercise II