Making sense of diseases in medication reconciliation

Geva Vashitz, Mark E. Nunnally, Yuval Bitan, Yisrael Parmet, Michael F. O'Connor, Richard I. Cook

Research output: Contribution to journalArticlepeer-review


Patients are most at risk during transitions in care across settings and providers. The communication and reconciliation of an accurate medication list throughout the care continuum are essential in the reduction in transition-related adverse drug events. Most current research focuses on the outcomes of reconciliation interventions, yet not on the clinician's perspective. We aimed to explore clinicians' cognitive processes and heuristics of making sense of patients' disease histories. We used the affinity diagram method to simulate real-life medication reconciliation with 24 clinicians. The participants were given paper cards with diseases and medications representing a real case from an anesthesiology department. The task was to sort the cards in a set that made sense to the clinician. The experiment was video-recorded, and the data were analyzed using a quantitative spatial analysis technique. Levene's test for equality of variance showed that 79% of the 24 participants arranged the diseases along a straight line (p < 0.001). With only few exceptions, the diseases were arranged along the line in a fixed order, from cardiac conditions to depression (Friedman's χ2(44) = 291. 9, p < 0.001). We learn from this study that although clinicians employ a variety of coping strategies while reconciling patients' medical histories, there are common reconciliation strategies. Understanding heuristics and the mental models clinicians have for the reconciliation process may help to develop and implement methods and tools to promote safety research and practice.

Original languageEnglish
Pages (from-to)151-158
Number of pages8
JournalCognition, Technology and Work
Issue number2
StatePublished - 1 Jun 2011


  • Affinity diagram
  • Card-sorting
  • Diagnostic reasoning
  • Medical cognition
  • Medical expertise
  • Medication reconciliation
  • Patient safety

All Science Journal Classification (ASJC) codes

  • Philosophy
  • Human-Computer Interaction
  • Computer Science Applications


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