This facilitates easy reference to the history of the patient and simple access to the data of the patient in a most convenient manner. Data can be either text, images or signals with multi-modality attributes associated with them.
All data is treated as objects according to a fully object-oriented approach.
This allows for the successful merging of different types of data on the same user interface. The system architecture of PIF has been designed using an object orientated approach and comprise of the four-levels shown below.