Rohit B. Sangal’s research while affiliated with Yale-New Haven Hospital and other places

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Publications (63)


Who is coming in? Evaluation of physician performance within multi-physician emergency departments
  • Article

April 2025

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9 Reads

The American Journal of Emergency Medicine

Rohit B. Sangal

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Robert Teresi

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Meir Dashevsky

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[...]

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Leveraging artificial intelligence to reduce diagnostic errors in emergency medicine: Challenges, opportunities, and future directions

December 2024

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7 Reads

Academic Emergency Medicine

Diagnostic errors in health care pose significant risks to patient safety and are disturbingly common. In the emergency department (ED), the chaotic and high‐pressure environment increases the likelihood of these errors, as emergency clinicians must make rapid decisions with limited information, often under cognitive overload. Artificial intelligence (AI) offers promising solutions to improve diagnostic errors in three key areas: information gathering, clinical decision support (CDS), and feedback through quality improvement. AI can streamline the information‐gathering process by automating data retrieval, reducing cognitive load, and providing clinicians with essential patient details quickly. AI‐driven CDS systems enhance diagnostic decision making by offering real‐time insights, reducing cognitive biases, and prioritizing differential diagnoses. Furthermore, AI‐powered feedback loops can facilitate continuous learning and refinement of diagnostic processes by providing targeted education and outcome feedback to clinicians. By integrating AI into these areas, the potential for reducing diagnostic errors and improving patient safety in the ED is substantial. However, successfully implementing AI in the ED is challenging and complex. Developing, validating, and implementing AI as a safe, human‐centered ED tool requires thoughtful design and meticulous attention to ethical and practical considerations. Clinicians and patients must be integrated as key stakeholders across these processes. Ultimately, AI should be seen as a tool that assists clinicians by supporting better, faster decisions and thus enhances patient outcomes.



Effects of opening a vertical care area on emergency medicine resident clinical experience

November 2024

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4 Reads

AEM Education and Training

Background Challenging clinical environments faced by emergency departments (EDs) have led to operational changes including implementation of vertical care units and fast‐track units. Little is known regarding the impact of such units on resident physician clinical education. Methods A retrospective, observational study was performed at an urban quaternary care ED evaluating the effect of opening a vertical care unit with a triage physician directing lower acuity patients to be seen by physician associates (PAs)/advanced practice registered nurses (APRNs) on the following parameters: (1) percentage of patients seen by residents, (2) Emergency Severity Index (ESI) of patients seen by residents, (3) number of procedures performed by residents, (4) number of patients per shift seen by residents, (5) percentage of critical care patients seen by residents, and (6) percentage of behavioral health patients seen by residents. Results Comparing the implementation of the vertical care unit to the prior 3 months, postgraduate year (PGY)‐1 residents had greater exposure to ESI Levels 1 and 2 (odds ratio [OR] 2.15) and more critical care (OR 2.58). PGY‐2 and PGY‐3 residents had a lower exposure to ESI 1 and 2 patients (PGY‐2 OR 0.63, PGY‐3 OR 0.61) and less critical care exposure (OR 0.64 for PGY‐2 and OR 0.62 for PGY‐3) after implementation. PGY‐1 residents saw fewer behavioral health patients (OR 0.65) while the other two classes saw more (PGY‐2 OR 1.64, PGY‐3 OR 2.74). ESI 4 and 5 exposure decreased for all classes (PGY‐1 OR 0.15, PGY‐2 OR 0.86, PGY‐3 OR 0.72). No significant difference was found in the proportion of patients treated by residents ( p = 0.85) or the number of procedures performed by residents ( p = 0.25) comparing the implementation of a vertical care unit to the prior 3 months. Conclusions This study suggests no detrimental effects of vertical care unit implementation on multiple resident education outcomes including the number and acuity level of patients seen as well as procedure numbers of resident trainees. While the outcomes measured did not show significant negative effect for the resident compliment as a whole, we noted changes to the distribution of patient acuity based on PGY level. Similar assessments are recommended to determine the educational impact of comparable operational changes in other EDs.





Balancing act: the complex role of artificial intelligence in addressing burnout and healthcare workforce dynamics
  • Article
  • Full-text available

August 2024

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63 Reads

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5 Citations

Burnout and workforce attrition present pressing global challenges in healthcare, severely impacting the quality of patient care and the sustainability of health systems worldwide. Artificial intelligence (AI) has immense potential to reduce the administrative and cognitive burdens that contribute to burnout through innovative solutions such as digital scribes, automated billing and advanced data management systems. However, these innovations also carry significant risks, including potential job displacement, increased complexity of medical information and cases, and the danger of diminishing clinical skills. To fully leverage AI’s potential in healthcare, it is essential to prioritise AI technologies that align with stakeholder values and emphasise efforts to re-humanise medical practice. By doing so, AI can contribute to restoring a sense of purpose, fulfilment and efficacy among healthcare workers, reinforcing their essential role as caregivers, rather than distancing them from these core professional attributes.

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Figure 2. The stepwise method toward exclusion of survey respondents. From an initial 253 views of the survey, 222 were not screened out by the initial screen of consent, not having a health care background, and not residing in the United States. Following the initial screener, 35 did not finish the entire survey. Surveys also had their validation quiz about the clinical scenario and attention checks graded. Of 187 completed surveys, 156 passed the validation quiz, and all respondents who passed the validation quiz also successfully answered all other attention checks correctly.
Figure 3. Agreement regarding each subsection of the discharge instructions about the prompt: "the information in the discharge instruction (subsection) effectively explains the significance of the findings in a way that's personalized to me (the hypothetical recipient) and is easy to follow." ED: emergency department; STD: standard.
Figure 4. This is a clustered stacked multibar chart of the 5 possible ratings (strongly disagree, disagree, neutral, agree, and strongly agree) regarding each subsection of the discharge instructions to assess understanding concerning the prompt: "the information in the discharge instruction (subsection) is written such that it is presented clearly and straightforwardly that is easily comprehensible." ED: emergency department; STD: standard.
The results of the Wilcoxon rank-sum test between GPT and standard discharge instructions across all 3 metrics of interpretability of significance, understandability, and satisfaction on a traditional Likert scale.
Patient-Representing Population's Perceptions of GPT-Generated Versus Standard Emergency Department Discharge Instructions: Randomized Blind Survey Assessment

August 2024

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36 Reads

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2 Citations

Journal of Medical Internet Research

Background Discharge instructions are a key form of documentation and patient communication in the time of transition from the emergency department (ED) to home. Discharge instructions are time-consuming and often underprioritized, especially in the ED, leading to discharge delays and possibly impersonal patient instructions. Generative artificial intelligence and large language models (LLMs) offer promising methods of creating high-quality and personalized discharge instructions; however, there exists a gap in understanding patient perspectives of LLM-generated discharge instructions. Objective We aimed to assess the use of LLMs such as ChatGPT in synthesizing accurate and patient-accessible discharge instructions in the ED. Methods We synthesized 5 unique, fictional ED encounters to emulate real ED encounters that included a diverse set of clinician history, physical notes, and nursing notes. These were passed to GPT-4 in Azure OpenAI Service (Microsoft) to generate LLM-generated discharge instructions. Standard discharge instructions were also generated for each of the 5 unique ED encounters. All GPT-generated and standard discharge instructions were then formatted into standardized after-visit summary documents. These after-visit summaries containing either GPT-generated or standard discharge instructions were randomly and blindly administered to Amazon MTurk respondents representing patient populations through Amazon MTurk Survey Distribution. Discharge instructions were assessed based on metrics of interpretability of significance, understandability, and satisfaction. Results Our findings revealed that survey respondents’ perspectives regarding GPT-generated and standard discharge instructions were significantly (P=.01) more favorable toward GPT-generated return precautions, and all other sections were considered noninferior to standard discharge instructions. Of the 156 survey respondents, GPT-generated discharge instructions were assigned favorable ratings, “agree” and “strongly agree,” more frequently along the metric of interpretability of significance in discharge instruction subsections regarding diagnosis, procedures, treatment, post-ED medications or any changes to medications, and return precautions. Survey respondents found GPT-generated instructions to be more understandable when rating procedures, treatment, post-ED medications or medication changes, post-ED follow-up, and return precautions. Satisfaction with GPT-generated discharge instruction subsections was the most favorable in procedures, treatment, post-ED medications or medication changes, and return precautions. Wilcoxon rank-sum test of Likert responses revealed significant differences (P=.01) in the interpretability of significant return precautions in GPT-generated discharge instructions compared to standard discharge instructions but not for other evaluation metrics and discharge instruction subsections. Conclusions This study demonstrates the potential for LLMs such as ChatGPT to act as a method of augmenting current documentation workflows in the ED to reduce the documentation burden of physicians. The ability of LLMs to provide tailored instructions for patients by improving readability and making instructions more applicable to patients could improve upon the methods of communication that currently exist.



Citations (25)


... This result underscores the necessity for continuous training in triage system application and performance monitoring, which, despite being recommended in triage textbooks, is not consistently implemented in practice (Zaboli, Sibilio, Magnarelli, et al. 2023;Sax et al. 2023). Furthermore, integrating the triage system and nursing evaluation with advanced decision-making models could provide direct support to nurses in ensuring the correct application of the triage system (Hinson et al. 2024;Levin et al. 2018). For instance, recent studies suggest that artificial intelligence tools, including machine learning, have the potential to enhance nurses' clinical prediction accuracy while simultaneously reducing errors and addressing disparities (Hinson et al. 2024;Levin et al. 2018). ...

Reference:

Comparing Safety and Accuracy of Standardised Versus Subjective Triage Code Assignment by Nurses: A Multicenter Observational Simulated Study
Enhancing Emergency Department Triage Equity With Artificial Intelligence: Outcomes From a Multisite Implementation
  • Citing Article
  • November 2024

Annals of Emergency Medicine

... In order to reduce burnout and improve the well-being of HCPs, it is crucial to address the causes of burnout such as excessive workloads and burdensome administrative tasks. Healthcare professionals experience provider burnout as a result of ongoing stress caused by emotional exhaustion, declining mental health, and feelings of depersonalization attributed to systemic and organizational factors [34]. ...

Balancing act: the complex role of artificial intelligence in addressing burnout and healthcare workforce dynamics

... Legal and regulatory frameworks, which are still evolving, struggle to keep pace with the rapid deployment of AI technologies, leaving gaps in accountability and compliance across different healthcare systems [11]. These concerns are especially pronounced in the high-stakes environment of Emergency Departments, where errors can have significant consequences for patient outcomes [12]. ...

Patient-Representing Population's Perceptions of GPT-Generated Versus Standard Emergency Department Discharge Instructions: Randomized Blind Survey Assessment

Journal of Medical Internet Research

... Birkun et al. [267] evaluated Bing chatbot's 882 first aid advice for heart attacks. Additionally, ChatGPT was 883 tested for its ability to determine the HEART score (History, 884 ECG, Age, Risk factors, Troponin) in chest pain evaluation 885 [268]. For educational purposes, ChatGPT's cardiovascular 886 knowledge was tested with clinical cardiac questions [269]. ...

Automated HEART score determination via ChatGPT: Honing a framework for iterative prompt development

Journal of the American College of Emergency Physicians Open

... 10 The potential impact of AI-assisted image interpretation on the diagnostic accuracy of clinicians who are directly involved in interpreting images and delivering care to patients based on their findings in routine clinical practice therefore remains an important research question, and studies have begun to demonstrate potential benefits in this regard in an emergency medicine context. 11 Recent guidance from NICE 12 and AI-specific reporting guidelines have emphasised the importance of conducting evaluations in the clinical context in which they are likely to be cited, including feedback on usability and confidence directly from the intended users. [13][14][15][16][17] Aims To measure the diagnostic accuracy of the pneumothorax (PTX) detection facility of GEHC's CCS application against an independent reference standard and assess its impact on the reporting performance of clinician groups routinely involved in the diagnosis and management of PTXs. ...

Using an artificial intelligence software improves emergency medicine physician intracranial haemorrhage detection to radiologist levels
  • Citing Article
  • January 2024

Emergency Medicine Journal

... [1] High LWBS rates are both the cause and the consequence of ED crowding. Although there are many studies on discharge against medical advice in the literature, [7,8] studies on the characteristics of LWBS patients and their adverse effects on ED functionality have remained limited. To our knowledge, studies have yet to be conducted on patients who left without being seen by a doctor in Türkiye. ...

Inequities among patient placement in emergency department hallway treatment spaces
  • Citing Article
  • November 2023

The American Journal of Emergency Medicine

... Intriguingly, Gils et al. [6] demonstrated that in lithium-heparin whole blood samples from 20 healthy volunteers, pneumatic tube transportation did not significantly affect the assays for potassium, LDH, and hemolytic index, while platelet function and activation markers remained unaltered in sodium citrate samples compared to manual transport. Moreover, reports indicate that for certain analytes, serum samples might be better suited for PTS transportation [31,32,35]. It is apparent that the use of different types of collection tubes during sample transport via pneumatic tube systems can lead to significant differences in the effects on specific laboratory indicators. ...

Rapid Serum Tubes Reduce Transport Hemolysis and False Positive Rates for High-Sensitivity Troponin T
  • Citing Article
  • November 2023

Clinica Chimica Acta

... System design probably needs to evolve from the excessive use of alerting and particularly interruptive alerts towards alternative approaches [29][30][31] . It is likely that development in the areas of usability 32 and human factors 33 are going to be critical to reduce over-mitigation and could include other techniques such as the use of contextual sensitive information, pathway guidance that may block specific routes, passive guidance, stealth alerts (alerts sent to another member of the Multi-Disciplinary Team, e.g. ...

Clinical Decision Support: Moving Beyond Interruptive “Pop-up” Alerts
  • Citing Article
  • September 2023

Mayo Clinic Proceedings

... Health Services Insights coronary syndrome received different care depending on their sex 13 or if they were White or African American. 14,15 In addition, prior work reports demographic differences in triage score assignment [16][17][18][19] as well as rooming prioritization, 20,21 with African-American and Hispanic patients receiving less acute scores and being less likely to be prioritized for rooming. ...

Sociodemographic Disparities in Queue Jumping for Emergency Department Care
  • Citing Article
  • July 2023

JAMA Network Open

... However, a US study found an increase in emergency department presentations due to SV during the pandemic but a decrease in sexual assault advocate calls. 8 These two studies are examples of the upcoming literature regarding this topic and point to possible regional differences in search for care. ...

Emergency department visits in Connecticut for survivors of sexual assault before and during the COVID-19 pandemic
  • Citing Article
  • February 2023

The American Journal of Emergency Medicine