A VNA Provides Image and Information Management

The image and information management component of the VNA is provided by a database. The image manager stores a subset of the attributes in the DICOM header of each object, along with metadata needed to manage the images.

There are two critical features needed for image and information management. The first is a mechanism to perform statistics and troubleshooting. For example, a user should be able to track the number of images stored by modality by date so that a trend analysis can be performed.

Vendors also need to provide system administrator tools to support management and allow for database records to be cleaned and modified. This is necessary because information that identifies the images is at some point entered by a user, which is prone to error.

  • The image and information management component is a database
  • Attributes are stored in the DICOM header of each object
  • Two critical features needed for image and information management
  • A mechanism for performing statistics and troubleshooting
  • An administrative system for cleaning records

In other cases, information will need to be modified after an imaging exam. This is particularly true in trauma cases, when the technologist might be focusing on getting the exam done prior to making sure it is properly scheduled and all the information is correct. In this case, a system administrator might receive a request to retrieve and correct the information from a study on John Doe.

Changes and updates in patient demographics have to be exchanged between the PACS archive, VNA, and external image management devices like the department or institution information system.

  • Information may need to be modified after an imaging exam
  • Changes to patient demographics must be exchangeable

For more information about developing a Vendor Neutral Architecture, the VNA Institute of Technology, or to enroll for CPHIMS (CE) Continuing Education Hours, visit http://www.vnait.org. For information about TeraMedica, visit: http://www.teramedica.com

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