The system and method and chronic disease such as heart failure for guarding patient are disclosed. The system may include biosensor circuit, for sense physiological signals and generate signal metric from physiological signal. The system may include health status device circuit, to use signal metric, to generate the state of one or more stability indicator patient healths, such as the heart failure situation of stability. The system can additionally generate the instruction of one or more health status indicator patient health status, such as the progress of heart failure. Patient, which disposes decision, can produce health status indicator and stability index, provides instruction and prepares the release for being used for patient or the license of risk to hospital.
