Lexicon

 

EHR (Electronic Health Record):

1. A collection of information stored in computer-readable format from all providers, clinics, and care facilities at which a patient has received services.

2. A computer system capable of aggregating care information and medical history for multiple patients across multiple providers, clinics, and care facilities.

 

EMR (Electronic Medical Record):

1. A collection of information stored in computer-readable format from one provider, clinic, or care facility at which a patient has received services.

2. A computer system capable of aggregating care information and medical history for multiple patients at one provider, clinic, or care facility.

 

FOIA VistA:

A version of VA Enterprise VistA that has been “redacted,” i.e., that has VA-specific and licensed commercial software modules removed.  This version of VistA is periodically made available for release to the public as legally mandated under the Freedom of Information Act (FOIA, pronounced “FOY-uh”).  The most recently released version of FOIA VistA is available from the OSEHRA website.  FOIA VistA is the baseline on which OSEHRA VistA is built.

 

license:

A document (hardcopy or softcopy) containing the terms under which software may be used and distributed.

 

open source:

Refers to software source code that may be distributed freely without royalties or other fees, allowing modifications or derived works to be distributed under the same terms as those under which the original source code was distributed.  Also refers to the licenses accompanying such software.  Open source licenses may be permissive (such as Apache 2.0) or restrictive (such as the GNU General Public License).

 

OSEHRA:

The Open Source Electronic Health Record Alliance, an association of users and vendors of software and systems based on the VistA EHR.

 

OSEHRA VistA:

A version of the open source VistA EHR software that is available to all. For more information, click here.

 

permissive:

Refers to an open source software license that does not require modifications or derivations of the source code to be distributed freely.  The Apache 2.0 License is an example of a permissive license.  Compare restrictive.

 

restrictive:

Refers to an open source software license that requires modifications or derivations of the source code to be distributed freely.  The GNU General Public License is an example of a restrictive license.  Compare permissive.

 

VA:

Abbreviation for United States Department of Veterans Affairs.

 

VA Enterprise VistA:

The original and best-known version of VistA, which has been developed and deployed at VA medical centers over more than 30 years.  It includes software code, data and dictionary elements, and incorporates licensed commercial software elements for VA-specific user interfaces and diagnostic workstations.

 

VistA:

Veterans Health Information Systems and Technology Architecture.

 

VistA 4:

An enhanced version of VA Enterprise VistA incorporating extensions to functionality for care coordination and for interoperability across enterprise boundaries.

 

VistA EHR:

VA Enterprise VistA, or a derivative or similar system based on VA Enterprise VistA.

 

Vista Evolution:

VA strategy for modernizing its electronic health record system by aligning the VistA EHR within a service-oriented architecture.

 

VIVIAN:

An open source tool for visualizing hierarchical structures.  It is used on the OSEHRA website to give VistA users and developers a tree-structured logical view of VistA capabilities and to permit navigation of technical details from the lowest level of the logical view.  VIVIAN stands for VIsualizing VIstA And Namespace.