EHR in emergency rooms: Exploring the effect of key information components on main complaints

Ofir Ben-Assuli*, Itamar Shabtai, Moshe Leshno, Shawndra Hill

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This study characterizes the information components associated with improved medical decision-making in the emergency room (ER).We looked at doctors' decisions to use or not to use information available to them on an electronic health record (EHR) and a Health Information Exchange (HIE) network, and tested for associations between their decision and parameters related to healthcare outcomes and processes. Using information components from the EHR and HIE was significantly related to improved quality of healthcare processes. Specifically, it was associated with both a reduction in potentially avoidable admissions as well as a reduction in rapid readmissions. Overall, the three information components; namely, previous encounters, imaging, and lab results emerged as having the strongest relationship with physicians' decisions to admit or discharge. Certain information components, however, presented an association between the diagnosis and the admission decisions (blood pressure was the most strongly associated parameter in cases of chest pain complaints and a previous surgical record for abdominal pain). These findings show that the ability to access patients' medical history and their long term health conditions (via the EHR), including information about medications, diagnoses, recent procedures and laboratory tests is critical to forming an appropriate plan of care and eventually making more accurate admission decisions.

Original languageEnglish
Article number36
JournalJournal of Medical Systems
Issue number4
StatePublished - Apr 2014


  • Decision support systems
  • Electronic health records
  • Emergency room
  • Health information exchange
  • Medical information systems


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