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Bastakoti M, Muhailan M, Nassar A, et al. Diagnosis. 2022;9:107-114.
Misdiagnosis in the emergency department (ED) can result in increased morbidity and mortality. This retrospective chart review of patients admitted from the ED to hospital explored the concordance of ED admission and hospital discharge diagnoses. Results show 21.77% of patients had discordant diagnoses; discordant diagnosis was associated with increased length of stay, mortality, and up-triage to ICU.
Nassery N, Horberg MA, Rubenstein KB, et al. Diagnosis (Berl). 2021;8:469-478.
Building on prior research on missed myocardial infarction, this study used the SPADE approach to identify delays in sepsis diagnosis. Using claims data, researchers used a ‘look back’ analysis to identify treat-and-release emergency department (ED) visits in the month prior to sepsis hospitalizations and identify common diagnoses linked to downstream sepsis hospitalizations.
Horberg MA, Nassery N, Rubenstein KB, et al. Diagnosis (Berl). 2021;8:479-488.
Missed or delayed diagnosis of sepsis can lead to serious patient harm. This study used a Symptom-Disease Pair Analysis of Diagnostic Error (SPADE) “look-forward” analysis to measure potential misdiagnosis of sepsis in patients discharged from the emergency department (ED) with treat-and-release fluid and electrolyte disorders (FED) or altered mental status (AMS). FED and AMS were associated with a spike in sepsis hospitalizations in the 7-day period following the ED visit. The authors suggest SPADE could be used to compare sepsis diagnostic performance across institutions and regions; develop interventions for targeted subgroups; and update early warning systems for sepsis diagnosis.
Mahajan P, Pai C-W, Cosby KS, et al. Diagnosis (Berl). 2021;8:340-346.
Diagnostic error is an ongoing patient safety challenge that can result in patient harm. This literature review identified a set of emergency department (ED)-focused electronic health record (EHR) triggers (e.g., death following ED visit, change in treating service after admission, unscheduled return to the ED resulting in admission) and non-EHR based signals (e.g., patient complaints, referral to risk management) with the potential to screen ED visits for diagnostic safety events.
Pelaccia T, Messman AM, Kline JA. Patient Edu Couns. 2020;103:1650-1656.
The hectic and complex environment of emergency care can reduce diagnostic safety. This article discusses clinical reasoning and decision-making strategies used by emergency medicine physicians, contributing factors to diagnostic errors occurring in emergency medicine (e.g., overconfidence, cognitive stress, anchoring bias), and strategies to reduce the risk of error. A previous WebM&M commentary discussed an incident involving diagnostic delay in the emergency department.
Gleason KT, Peterson SM, Dennison Himmelfarb CR, et al. Diagnosis (Berl). 2021;8(2) :187-192.
Diagnostic error is an ongoing patient safety challenge, and can be exacerbated by the hectic pace of the emergency department (ED). This study assessed the feasibility of the Leveraging Patient’s Experience to Improve Diagnosis (LEAPED) program to measure patient-reported diagnostic error after ED discharge. Across three EDs, patient uptake of the program was high. Findings show that 23% of patients did not receive an explanation of their health problem upon discharge, and one-quarter of those patients did not understand the next steps after leaving the ED.
Sharp AL, Baecker A, Nassery N, et al. Diagnosis (Berl). 2021;8:177-186.
The symptom-disease pair analysis of diagnostic error approach, or SPADE approach, measures diagnostic errors resulting in adverse events using two analytic pathways – the ‘look back’ analysis identifies symptoms associated with adverse events and identifies the symptom-specific harm rate per hospitalization and the ‘look forward’ analysis measures the disease-specific harm rate per symptomatic discharge. Using data from 2009 to 2017, this retrospective analysis looked at Emergency Department (ED) visits within 30 days of a hospitalization for acute myocardial infarction (AMI) to identify symptoms linked to probable missed diagnoses. Within 30 days of a subsequent hospitalization for AMI, common ED discharge diagnoses included chest pain and dyspnea, representing 574 probable missed AMIs. The authors estimate that these results correspond to approximately 10,000 potentially-preventable harms annually in the United States.  
Isbell LM, Boudreaux ED, Chimowitz H, et al. BMJ Qual Saf. 2020;29:815–825.
Research has suggested that health care providers’ emotions may impact patient safety. These authors conducted 86 semi-structured interviews with emergency department (ED) nurses and physicians to better understand their emotional triggers, beliefs about emotional influences on patient safety, and emotional management strategies. Patients often triggered both positive and negative emotions; hospital- or systems-level factors primarily triggered negative emotions. Providers were aware that negative emotions can adversely impact clinical decision-making and place patients at risk; future research should explore whether emotional regulation strategies can mitigate these safety risks.
Bergl PA, Nanchal RS, Singh H. Ann Am Thorac Soc. 2018;15:903-907.
Elements of critical care can influence the reliability of diagnosis, teamwork, and care delivery. This commentary recommends areas for research to reduce diagnostic error in the intensive care unit. The authors highlight the need for intensivist involvement to define distinct roles and actions in their specialty for diagnostic improvement.
Schnapp BH, Sun JE, Kim JL, et al. Diagnosis (Berl). 2018;5:135-142.
In 2015, the National Academy of Medicine called for renewed focus on reducing diagnostic error. Among patients admitted to the hospital shortly after discharge home from the emergency department, researchers found that 19% of cases involved a cognitive error, such as faulty information processing or inaccurate data verification, which may contribute to diagnostic errors.