74 Joint Cognitive Systems
hypothesize that the telemetry signature must hav e been du e to a failed transducer
or pressure sensor. In this case, the intervention that w as in tended to be therapeutic
also became a d iagnostic intervention because it provided practitioners with more
evidence about possible explan ations (note that actions taken only for diagnostic
value, as interventions, may still have risks relative to the monitored process; e.g.,
check ing a difficult to access area of a process may introduce new problems, or in
cardiovascular anesthesiology, different actions to gain information pose varying
risks of other injuries to the patient).
Revision
The time course of disturbances and interventions produces a series of changes
in the data ...