T SystemEV

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T SystemEV is an Emergency Department Information System (EDIS) developed as an evolutionary product based on T-System's proprietary T-Sheet documentation system.


T-Sheets were developed by Woodrow Gandy, M.D. and Rob Langdon, M.D. as a response to rapidly increasing Emergency Department visits in order to streamline documentation. They specifically aim to reduce documentation time by reducing patient encounters to problem-focused templates consisting of annotated checkboxes. The system was originally intended to be implemented in software, but the founders decided to perfect the templates on paper.[1]

They were first deployed at a single site in 1996, and during their peak growth period, the product was deployed at 50-60 new sites each month. They now provide services to 40% of Emergency Departments in the United States. T-Sheets gained additional notoriety when they were used as props on the television show "ER."

T-System is located in Dallas, TX.

Electronic Health Record Module

In 2001, T-System introduced T SystemEV, an Electronic Health Record module that has been certified as supporting Meaningful Use. T SystemEV incorporates the following features:

  • Physician documentation
  • Nursing documentation
  • Patient tracking
  • Computerized provider order entry
  • Integrated diagnosis advising based on the ISABEL diagnosis checklist system
  • Emergency Department throughput analysis tools
  • Clinical decision support

The primary differentiating feature of T SystemEV from other EHR EDIS modules is its user interface, which is based on it the widespread and familiar T-Sheet product.[2]

As of 2011, 240 hospitals have deployed or are in process for implementation for T SystemEV.[3] In a survey of California hospital EDIS, T SystemEV was not selected as one of 9 "well-known" systems for review, and was not specifically reported in use at any of the 51 hospitals surveyed. [4] Today, EV is most widely in used in the Emergency departments in US hospitals (http://www.tsystem.com/pages/our-solutions/t-system-ev/index.php#side-tab2). It also advertises its interoperability with other major EHRs, that is it can work with the EHR that is used in the hospital and therefore helps connect the emergency department to other regular hospital units. It is member of Common WellHealth alliance.

Care Continuity

In 2012 T-System introduced Care Continuity. This web based application assists physicians with follow up care for their patients. Physicians are notified if their patients go to the ER or if they are admitted. Application is able to automate the referral process and assist with coordinating the patients treatments and care plans. [1]

Meaningful Use

In 2013, T-System Inc. announced that EV™ 4.1 is compliant with the ONC 2014 Edition criteria and was certified as an EHR Module on June 12, 2013 by the Certification Commission for Health Information Technology (CCHIT®), an ONC-ACB, in accordance with the applicable hospital certification criteria adopted by the Secretary of Health and Human Services. The ONC 2014 Edition criteria support both Stage 1 and 2 meaningful use measures required to qualify eligible providers and hospitals for funding under the American Recovery and Reinvestment Act (ARRA). [5]

External Links



  1. http://www.tsystem.com/About-Us/History.aspx
  2. http://www.tsystem.com/Products/T-SystemEV
  3. http://www.intmp.com/CDs/MUSEEPUXLC/files/TSysABES/EV_Overview.pdf
  4. http://www.chcf.org/~/media/MEDIA%20LIBRARY%20Files/PDF/A/PDF%20AdoptionOfPatientTrackingSystems.pdf
  5. http://www.tsystem.com/pages/news-events/press-releases/T-System_EV_receives_onc_hit_certification.php

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