The seven constraints of clinical information systems

10There are two types of information systems in health facilities: administrative systems and clinical systems. Imagem’s products are in the second category, ie those that are not entitled to failure because they are necessary for routine clinical operations. They play a critical role. Without them, it is impossible for the health facility to carry out its mission.

Imagem’s products use the ADT (Admission, Departure, Transfer) system to obtain information about patients. This is the first action imposed to preserve integrity. The system uses Master Patient Index (PMI) databases to access patient data and automates the workflow. This patient index is maintained and validated by the institution’s archivists. We refer to it to avoid duplication of records.

Information systems play a crucial role, with considerable constraints. They must:

  1. Anticipate difficulties and limitations regarding system upgrades and improvements due to the coordination required to stop clinical systems that require continuity of operation;
  2. Be able to handle a significant number of transactions at any time;
  3. Support a high rate of concurrent electronic transactions as different health professionals may have to enter new information or modify it;
  4. Log all transactions in order to be able to know what happened at all times, allowing you to replay events, understanding  bugs and ensuring the integrity of information;
  5. Ensure the integrity of the information at all times, even in concurrent consultation;
  6. Make information accessible at all times, even in concurrent consultation;
  7. Guarantee a speed of data display, no matter how much information to look for in several different databases.

The right information must circulate in order to be available to the professionals that the patient will encounter during their stay in a healthcare facility. A software error in the area of ​​information technology applied to health has the potential for serious consequences. A key step in a new installation is therefore to ensure the interoperability of all software, databases, and systems.

Each transaction must, therefore, respect the proper functioning of the database so that the changes entered are recorded and accessible to all authorized professionals.

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Concurrent consultation

Electronic consultation of a page or data by more than one user at the same time.

Event logging

Automatic, dated and chronological recording of all actions performed in a software or system.

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