scholarly journals P163: Methanol poisoning by inhalation: a case series

CJEM ◽  
2018 ◽  
Vol 20 (S1) ◽  
pp. S115-S115
Author(s):  
H. Yaworski ◽  
W. Palatnick ◽  
C. Oleschuk ◽  
S. Ringland ◽  
M. Tenebein
Keyword(s):  
Emergency Department ◽  
Chart Review ◽  
Case Series ◽  
Methanol Intoxication ◽  
Methanol Poisoning ◽  
Product Formulation ◽  
Retail Outlets ◽  
Chief Complaints ◽  
Gastrointestinal Complaints ◽  
Ed Visits

Introduction: Methanol intoxication is a well-recognized toxicological emergency. While most cases of significant methanol poisoning occur via ingestion, there are reports in the literature of poisoning resulting from the inhalational route. We report a series of methanol intoxications secondary to inhalational abuse of a methanol containing lacquer thinner presenting to an inner city Emergency Department. Methods: A laboratory database was searched for methanol levels > 5 mmol/L. (16mg/dL). from January 1, 2010 to December 31, 2015. A chart review was completed to determine mode of poisoning, clinical presentation, treatment, and disposition. Results: We found 35 patients who made a total of 83 emergency department (ED) visits with a methanol level > 5mmol/L. (16mg/dL). The methanol levels ranged from 5.3-39.6 mmol/L. (16.96 -126.72 mg/dL) . 73% of poisonings were secondary to inhalation of a methanol-containing lacquer thinner. The median age of these patients was 43 years, and 49% were male. The majority of patients (96%) resided in the core area. The most frequent chief complaints were substance abuse/intoxication, gastrointestinal complaints, and chest pain. 18% of patients described visual symptoms. Treatments were fomepizole only (59%), fomepizole plus hemodialysis (26%), and hemodialysis alone (2%). 49% of patients were discharged from the ED, while 28% and 23% were admitted to an intensive care unit (ICU) and an internal medicine ward respectively. There were no cases of blindness. We describe a cohort of patients who developed methanol poisoning from inhalation of a methanol containing lacquer thinner that required treatment with fomepizole and hemodialysis. While almost 1/3 of these patients were admitted to ICU, 49% were discharged from the emergency department after a course of fomepizole. The etiology of this outbreak was found to be a change in the formulation of the lacquer thinner, substituting a higher concentration of methanol for toluene. The manufacturer and a number of local retail outlets were contacted. This resulted in the product being taken off the shelves by the retail outlets, and eventually, a change in the product formulation by the manufacturer, with a resultant decrease in the methanol content. After these actions, we have not seen any additional presentations of inhalational methanol intoxication. Conclusion: We report the largest case series to date of patients who presented with methanol intoxication, requiring fomepizole and/or hemodialysis, secondary to inhalation of a methanol containing lacquer thinner. Physician advocacy regarding the etiology of this outbreak resulted in collaboration with retail outlets and subsequent action by the manufacturer. This ended the outbreak.

scholarly journals Revisits within 48 Hours to a Thai Emergency Department

2016 ◽  
Vol 2016 ◽  
pp. 1-5 ◽  
Author(s):  
Jiraporn Sri-on ◽  
Adisak Nithimathachoke ◽  
Gregory Philip Tirrell ◽  
Sataporn Surawongwattana ◽  
Shan Woo Liu
Keyword(s):  
Emergency Department ◽  
Chart Review ◽  
Tertiary Care ◽  
Related Factor ◽  
Contributing Factors ◽  
Related Factors ◽  
Chief Complaints ◽  
Ed Visits ◽  
The Mean ◽  
Patient Related Factor

Objective. Emergency department (ED) revisits are a common ED quality measure. This study was undertaken to ascertain the contributing factors of revisits within 48 hours to a Thai ED and to explore physician-related, illness-related, and patient-related factors behind those revisits.Methods. This study was a chart review from one tertiary care, urban Thai hospital from October 1, 2009, to September 31, 2010. We identified patients who returned to the ED within 48 hours for the same or related complaints after their initial discharge. Three physicians classified revisit as physician-related, illness-related, and patient-related factors.Results. Our study included 172 ED patients’ charts. 86/172 (50%) were male and the mean age was38 ± 5.6(SD) years. The ED revisits contributing factors were physician-related factors [86/172 (50.0%)], illness-related factors [61/172 (35.5%)], and patient-related factor [25/172 (14.5%)], respectively. Among revisits classified as physician-related factors, 40/86 (46.5%) revisits were due to misdiagnosis and 36/86 (41.9%) were due to suboptimal management. Abdominal pain [27/86 (31.4%)] was the majority of physician-related chief complaints, followed by fever [16/86 (18.6%)] and dyspnea [15/86 (17.4%)].Conclusion. Misdiagnosis and suboptimal management contributed to half of the 48-hour repeat ED visits in this Thai hospital.

scholarly journals Quantitative Effect of Emergency Department Case Management on Visits, Diagnostics, and Cost

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Jeffrey Nickel, MD ◽  
Nancy Connelly ◽  
Cameron Duffner ◽  
Xyryl Pablo ◽  
Aeleia Hughes
Keyword(s):  
Primary Care ◽  
Emergency Department ◽  
Case Management ◽  
Medical Records ◽  
Diagnostic Tests ◽  
Case Series ◽  
Cost Savings ◽  
Retrospective Case ◽  
Chief Complaints ◽  
Ed Visits

Background and Hypothesis:  In 2012, Parkview Health initiated a case management (CM) program with the hypothesis that it would reduce emergency department (ED) visits, radiation exposure, and costs for patients who had visited a Parkview ED 5 or more times within 6 months.  Experimental Design or Project Methods:  This retrospective case series involved examining medical records of 460 CM patients from 2011 to 2018, recording the amount of Parkview ED visits, diagnostic tests, and affected cost accumulated in the year prior to CM enrollment compared to each of the next 2 years. Demographics, chief complaints, diagnoses, psychiatric and drug use history, and whether the patients had insurance and a primary care provider were also recorded. Patient data was excluded if the patient was younger than 18 at the time of CM enrollment, had not yet completed 2 years in the CM program, or if medical records were not available. ANOVA and 1-sided, paired t-testing were performed to evaluate significance of the results.  Results:  Comparing the year before enrollment to the 2nd year after, ED visits were reduced from 5,264 to 2,012 for 378 patients (63%, p<0.01), the affected cost was reduced from $551,734.45 to $246,248.34 for 299 patients (55%, p<0.01), and the number of diagnostic tests was reduced from 6,040 to 1,883 for 104 patients (69%, p<0.01).  Conclusion and Potential Impact:  Patients enrolled in Parkview’s CM program showed statistically significant reductions in ED visits, radiologic exposures, and affected costs over 2 years, with implicit improved health outcomes. Projected 10-year affected cost savings range from $3.7 million to $9.1 million. 

scholarly journals P060: Cannabinoid hyperemesis syndrome presentation to the emergency department: a two-year multi-centre retrospective study

CJEM ◽  
2016 ◽  
Vol 18 (S1) ◽  
pp. S98-S99 ◽  
Author(s):  
J.M. Hernandez ◽  
J. Paty ◽  
I. Price
Keyword(s):  
Emergency Department ◽  
Tertiary Care ◽  
Case Series ◽  
Kappa Statistic ◽  
Cannabis Use ◽  
Data Abstraction ◽  
Tertiary Care Centre ◽  
Associated Symptoms ◽  
Cannabinoid Hyperemesis Syndrome ◽  
Ed Visits

Introduction: Cannabinoid hyperemesis syndrome (CHS) is a paradoxical side effect of cannabis use. Patients with CHS often present multiple times to the Emergency Department (ED) with cyclical nausea, vomiting and abdominal pain, and are discharged with various misdiagnoses. CHS studies to date are limited to case series. We examined the epidemiology of CHS cases presenting to two major urban Tertiary Care Centre EDs. Methods: Using explicit variables, trained abstractors, and standardized abstraction forms, we abstracted data for all adults (18-55 years) with a presenting complaint of vomiting, and/or a discharge diagnosis of vomiting and/or cyclical vomiting, during a 2-year period. Inter-rater agreement was measured using a kappa statistic. Results: We identified 494 cases: mean age 31 years; 36% male; only 19.4% of charts specifically reported cannabis use. Among the regular cannabis users (>3 times per week), 43% had repeat ED visits for similar complaints. Interestingly, of these patients, 92% had bloodwork done in the ED, 92% received IV fluids, 89% received anti-emetics, 27% received opiates, 19% underwent imaging, 8% were admitted to hospital, and 8% were referred to the Gastroentorology service. Inter-rater reliability for data abstraction was kappa = 1. Conclusion: This study suggests CHS may be an overlooked diagnosis for nausea and vomiting, a factor which can possibly contribute to unnecessary investigations and treatment in the ED. Additionally, this indicates a lack of screening for CHS on ED history, especially in quantifying cannabis use and eliciting associated symptoms of CHS.

Conscious Sedation for Pediatric Peritonsillar Abscess: Comparison of Anesthetic Approaches

2019 ◽  
Vol 160 (4) ◽  
pp. 706-711 ◽  
Author(s):  
M. Elise Graham ◽  
Abigail K. Neal ◽  
Ian C. Newberry ◽  
Matthew A. Firpo ◽  
Albert H. Park
Keyword(s):  
Emergency Department ◽  
Chart Review ◽  
Pediatric Patients ◽  
Conscious Sedation ◽  
Case Series ◽  
Dental Trauma ◽  
Primary Outcome Measure ◽  
Peritonsillar Abscess ◽  
Incision And Drainage ◽  
Viable Treatment

Objective To compare the efficacy, safety, and cost of incision and drainage (I&D) for pediatric patients with peritonsillar abscesses (PTAs) under conscious sedation (CS) versus unsedated (awake) and general anesthesia (GA). Study Design Case series with chart review. Setting Tertiary pediatric hospital. Subjects and Methods Records for all pediatric patients (<18 years) treated for PTAs in the emergency department from 2005 to 2015 were reviewed and stratified into awake, CS, and GA groups for comparison. The primary outcome measure was procedure tolerance, with secondary measures including return to the emergency department within 15 days, complications, and facility costs associated with treatment. Results A total of 188 patients were identified. The median age was 14 years (interquartile range, 9-16). Awake drainage with injected local anesthetic was used in 115 children; 62 underwent CS; and 11 underwent GA. Over 92% of the children tolerated I&D regardless of anesthesia, with no difference among groups ( P = .60). None of those who underwent I&D via CS returned to the emergency department within 15 days of the procedure, as compared with 5.2% for the awake group and 9.1% for the GA group ( P = .06). None in the GA or awake group had a complication associated with the procedure, as opposed to 9.6% in the CS group ( P = .02). Complications included apnea and dental trauma (2 children each) and transient hypotension and desaturation (1 each). Cost was highest in the GA group and lowest for the awake group ( P < .0001). Conclusion CS for PTA I&D is a viable treatment option with tolerance and success similar to that of the awake and GA groups. Complications were observed for those who underwent CS, but they were manageable.

scholarly journals P123: Emergency department utilization by patients with advanced chronic kidney disease and dialysis: A population based study

CJEM ◽  
2020 ◽  
Vol 22 (S1) ◽  
pp. S109-S109
Author(s):  
R. Chhibba ◽  
S. Leon ◽  
C. Rigatto ◽  
T. Ferguson ◽  
P. Komenda ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Emergency Department ◽  
Kidney Disease ◽  
Fold Increase ◽  
Population Based ◽  
Emergency Department Utilization ◽  
Gastrointestinal Complaints ◽  
Ed Visits ◽  
Winnipeg Regional Health Authority ◽  
Respiratory Complaints

Introduction: Chronic Kidney Disease (CKD) is a potent risk factor for kidney failure, cardiovascular events and all cause hospitalizations. In addition to higher outpatient resource use, patients with CKD may present more frequently to the emergency department (ED) and may be more likely to be admitted for hospitalization. In Manitoba, we previously demonstrated an 8-fold increase in the frequency of ED presentations by patients on dialysis as compared to a non-dialysis population. Comparable data on ED visits remain sparse for patients with CKD G3-G5, not on dialysis. Here, we aim to describe the frequency of ED visits and highlight differences in reasons for visit in patients with CKD stages G3-G5 and those on dialysis when compared to a non-CKD population. Methods: We performed a retrospective cohort study using administrative health data from the Winnipeg Regional Health Authority, Canada. We included all adults (≥ 18 years) with CKD stages G3-G5 and patients undergoing dialysis between January 1st, 2010 and December 31, 2014. Secular trends in the in the rates of ED visits were calculated for those with CKD, those on dialysis and in the non-CKD population. Results: Over the study period, patients undergoing dialysis had the highest incidence of ED visits, followed by patients with CKD and those with normal kidney function (150 vs 106 vs 34 per 100 persons per year respectively). These rates were stable over the period studied. Among the non-CKD population, the most common reasons for an ED visit were musculoskeletal complaints (25.6%), followed by gastrointestinal (11.04%) and cardiovascular complaints (10.26%). In the CKD and dialysis cohort, ED visits were more commonly secondary to cardiovascular complaints (21.54% and 18.99% respectively), followed by respiratory and gastrointestinal complaints. . Admission to hospital was higher in CKD and dialysis populations than in the non-CKD population (29.56%, 26.07% vs 10.61%, respectively). Conclusion: Patients with CKD present frequently to the ED, and are often admitted after presentation. Cardiovascular and respiratory complaints are more common in the CKD population when compared to the general population.

scholarly journals Acute cannabis intoxication in the emergency department: the effect of legalization

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Robert Baraniecki ◽  
Puru Panchal ◽  
Danya Deepsee Malhotra ◽  
Alexandra Aliferis ◽  
Zaka Zia
Keyword(s):  
Emergency Department ◽  
Chart Review ◽  
Primary Outcome ◽  
Age Groups ◽  
Retrospective Chart Review ◽  
Before And After ◽  
Icd 10 ◽  
Ed Visits ◽  
October 17 ◽  
Recreational Use

Abstract Background On October 17, 2018, the Cannabis Act decriminalized the recreational use of cannabis in Canada. This study seeks to determine how legalization of cannabis has impacted emergency department (ED) visits for acute cannabis intoxication. Methods We conducted a retrospective chart review at an academic ED in Hamilton, Ontario. We assessed all visits with a cannabis-related ICD-10 discharge code 6 months before and after legalization (October 17, 2018) to determine cases of acute cannabis intoxication. The primary outcome was the rate of ED visits. Secondary outcomes included number of visits distributed by age, length of stay, co-ingestions, and clinical course in the emergency department (investigations and treatment). Results There was no difference in the overall rate of ED visits following legalization (2.44 vs. 2.94 visits/1000, p = 0.27). However, we noted a 56% increase in visits among adults aged 18–29 (p = 0.03). Following legalization, a larger portion of patients required observation without interventions (25% vs 48%, p < 0.05). Bloodwork and imaging studies decreased (53% vs. 12%, p < 0.05; 29% vs. 2%, p < 0.05); however, treatment with benzodiazepines increased (24% vs. 51%, p < 0.05). Conclusions Legalization was not associated with a change in the rate of cannabis-related ED visits in our study. More research is needed regarding changing methods of cannabis ingestion and trends among specific age groups.

scholarly journals Identifying Asthma Exacerbation-Related Emergency Department Visit Using Electronic Medical Record and Claims Data

2018 ◽  
Vol 09 (03) ◽  
pp. 528-540
Author(s):  
Agnes Sundaresan ◽  
Gargi Schneider ◽  
Joy Reynolds ◽  
H. Kirchner
Keyword(s):  
Emergency Department ◽  
Asthma Exacerbation ◽  
Chart Review ◽  
Claims Data ◽  
Area Under The Curve ◽  
Kappa Statistic ◽  
Small Subset ◽  
Multiple Data ◽  
Chief Complaints ◽  
Data Elements

Background Asthma exacerbation leading to emergency department (ED) visit is prevalent, an indicator of poor control of asthma, and is a potentially preventable clinical outcome. Objective We propose to utilize multiple data elements available in electronic medical records (EMRs) and claims database to create separate algorithms with high validity for clinical and research purposes to identify asthma exacerbation-related ED visit among the general population. Methods We performed a retrospective study with inclusion criteria of patients aged 4 to 40 years, a visit to Geisinger ED from January 1, 2006, to October 28, 2013, with asthma on their problem list. Different electronic data elements including chief complaints, vitals, season, smoking, medication use, and discharge diagnoses were obtained to create the algorithm. A stratified random sample was generated to select the charts for review. Chart review was performed to classify patients with asthma-related ED visit, that is, the gold standard. Two reviewers performed the chart review and validation was done on a small subset. Results There were 966 eligible ED visits in the EMR sample and 731 in the claims sample. Agreement between reviewers was 95.45% and kappa statistic was 0.91. Mean age of the EMR sample was 22 years, and mostly white (93%). Multiple models conventionally used in studies were evaluated and the final model chosen included principal diagnosis, bronchodilator, and steroid use for both algorithms, chief complaints for EMR, and secondary diagnosis for claims. Area under the curve was 0.93 (95% confidence interval: 0.91–0.94) and 0.94 (0.93–0.96), respectively, for EMR and claims data, with positive predictive value of > 94%. The algorithms are visually presented using nomograms. Conclusion We were able to develop two separate algorithms for EMR and claims to identify asthma exacerbation-related ED visit with excellent diagnostic ability and varying discrimination threshold for clinical and research purposes.

Abstract P317: Sex and Age Differences in a typical Chief Complains for Heart Failure in Emergency Department Visits

Circulation ◽  
2020 ◽  
Vol 141 (Suppl_1) ◽  
Author(s):  
Michelle L Meyer ◽  
Montika Bush ◽  
Jason J Bischof ◽  
Anna E Waller ◽  
Timothy F Platts-Mills
Keyword(s):  
Heart Failure ◽  
Emergency Department ◽  
Chest Pain ◽  
Age Differences ◽  
Chief Complaint ◽  
Age Group ◽  
Chief Complaints ◽  
Ed Visits ◽  
Respiratory Complaints ◽  
Sex And Age Differences

Background: Around 1 million United States emergency department (ED) visits per year are due to exacerbation of heart failure (HF) symptoms, with ~80% of those patients admitted to the hospital. However, sex and age differences in HF symptom presentation in the ED have not been thoroughly investigated. Objectives: To describe sex and age differences in chief complaints of ED patients with a HF diagnosis. Methods: We included patients ≥18 years old with an ED diagnosis of HF in NC DETECT, a statewide syndromic surveillance system. We defined a HF diagnosis using ICD-9-CM and ICD-10-CM codes from ED visits between 2010 and 2016. We classified the ED chief complaints into categories by symptom groups (e.g. respiratory complaint includes hypoxia, respiratory distress, breathing difficulties). Chief complaint categories are not mutually exclusive. We calculated frequencies of chief complaint categories for ED visits by sex and age (18-44 (n=55,216), 45-64 (n=260,397), ≥65 (n=578,313) years old) and evaluated for a 10% standardized difference between groups. Results: There were 422,720 patients with 893,950 total unique visits (1.6 average visits/person). Of these visits, 55.0% were by women and 59.5% patients were admitted. Overall, the top chief complaint categories were dyspnea (19.1%), chest pain (13.5%), and respiratory complaints (13.4%), and were similar by sex and by ED disposition (admitted or discharged) and sex. When stratified by sex and age group, in those 18-44 years old, women had more reports of nausea/vomiting (6.7%) compared with men (4.1%) and headache (4.2%) compared with men (2.0%). In those 45-64 and ≥65 years old, chief complaint categories were similar between women and men. When stratified by age group alone, reports of chest pain decreased with age (21.4% in 18-44, 17.7% in 45-64, and 10.8% in ≥65 year olds), whereas reports of balance issues (1.2% in 18-44, 2.4% in 45-64, and 6.0% in ≥65 year olds), weakness (1.7% in 18-44, 2.7% in 45-64, and 5.5% in ≥65 year olds), and confusion (0.8% in 18-44, 2.1% in 45-64, and 4.5% in ≥65 year olds) increased with age. Compared to those ≥65 years old, those 18-44 years old had fewer respiratory complaints (10.0% vs. 13.9%), but more reports of headache (3.2% vs. 0.8%) and nausea/vomiting (5.5% vs. 3.2%). Conclusion: In a state-wide population of ED patients with HF diagnoses, sex differences in chief complaint categories that are less obvious symptoms of HF were observed for those 18-44 years old, with women reporting more nausea/vomiting and headache compared to men. Chief complaint categories that are less obvious symptoms of HF were more common among patients 18-44 (nausea/vomiting, headache) and ≥65 (balance issues, confusion, weakness) years old. Characterizing the variation of symptoms of HF patients in the ED may help inform the identification of ED patients with HF and the outpatient management of HF-related symptoms.

scholarly journals Generating contextual embeddings for emergency department chief complaints

JAMIA Open ◽  
2020 ◽  
Vol 3 (2) ◽  
pp. 160-166
Author(s):  
David Chang ◽  
Woo Suk Hong ◽  
Richard Andrew Taylor
Keyword(s):  
Emergency Department ◽  
Short Term Memory ◽  
Language Model ◽  
Chief Complaint ◽  
Language Models ◽  
Free Text ◽  
Set Size ◽  
Chief Complaints ◽  
Ed Visits ◽  
Cutoff Threshold

Abstract Objective We learn contextual embeddings for emergency department (ED) chief complaints using Bidirectional Encoder Representations from Transformers (BERT), a state-of-the-art language model, to derive a compact and computationally useful representation for free-text chief complaints. Materials and methods Retrospective data on 2.1 million adult and pediatric ED visits was obtained from a large healthcare system covering the period of March 2013 to July 2019. A total of 355 497 (16.4%) visits from 65 737 (8.9%) patients were removed for absence of either a structured or unstructured chief complaint. To ensure adequate training set size, chief complaint labels that comprised less than 0.01%, or 1 in 10 000, of all visits were excluded. The cutoff threshold was incremented on a log scale to create seven datasets of decreasing sparsity. The classification task was to predict the provider-assigned label from the free-text chief complaint using BERT, with Long Short-Term Memory (LSTM) and Embeddings from Language Models (ELMo) as baselines. Performance was measured as the Top-k accuracy from k = 1:5 on a hold-out test set comprising 5% of the samples. The embedding for each free-text chief complaint was extracted as the final 768-dimensional layer of the BERT model and visualized using t-distributed stochastic neighbor embedding (t-SNE). Results The models achieved increasing performance with datasets of decreasing sparsity, with BERT outperforming both LSTM and ELMo. The BERT model yielded Top-1 accuracies of 0.65 and 0.69, Top-3 accuracies of 0.87 and 0.90, and Top-5 accuracies of 0.92 and 0.94 on datasets comprised of 434 and 188 labels, respectively. Visualization using t-SNE mapped the learned embeddings in a clinically meaningful way, with related concepts embedded close to each other and broader types of chief complaints clustered together. Discussion Despite the inherent noise in the chief complaint label space, the model was able to learn a rich representation of chief complaints and generate reasonable predictions of their labels. The learned embeddings accurately predict provider-assigned chief complaint labels and map semantically similar chief complaints to nearby points in vector space. Conclusion Such a model may be used to automatically map free-text chief complaints to structured fields and to assist the development of a standardized, data-driven ontology of chief complaints for healthcare institutions.

scholarly journals LO003: Outpatient referrals from the emergency department - a retrospective review

CJEM ◽  
2016 ◽  
Vol 18 (S1) ◽  
pp. S31-S31
Author(s):  
N. Prudhomme ◽  
S. White ◽  
E.S. Kwok
Keyword(s):  
Emergency Department ◽  
Chart Review ◽  
Waiting Times ◽  
Time Intervals ◽  
Inpatient Hospitalization ◽  
Current State ◽  
Ed Visits ◽  
A Current

Introduction: While a majority of patients presenting to the emergency department (ED) are discharged home without need for inpatient hospitalization, many require outpatient follow-up. Currently, outpatient referrals from our ED are made via a complex and error-prone series of manual steps which have the potential to be unreliable and negatively impact quality of care. We sought to perform a current state analysis of our outpatient referral processes across the hospital’s specialties. Methods: We conducted a retrospective health records review at a tertiary academic centre (>160,000 ED visits/year) from January 1 to January 7, 2015. All consecutive outpatient consultation requests triggered by an ED physician were identified and included for chart review. All cases were subsequently followed up to 11 months. A single reviewer extracted data on demographics, actual referral attendance rates, incomplete referrals, return ED visits, and time intervals. The top 3 and bottom 3 performing services were identified for further analysis of their outpatient referral mechanisms and processes. We present descriptive statistics. Results: A total of 251 outpatient referrals to a broad range of specialty services were identified during the study period. 216 (86.1%) of patients attended the intended appointment, while 35 (13.9%) of referrals were incomplete at 11 months post index ED visit. The overall median time to successful outpatient follow-up appointments was 8.5 days [IQR=3.8-24.2]. 8 (3.2%) patients had a return ED visit for a related complaint prior to being seen at their outpatient appointment. The top 3 performers were Ophthalmology [Median=1.0 day, IQR=0.0-1.0, Incomplete=2.8%], Plastic Surgery [Median=5.0 days, IQR=2.8-6.0, Incomplete=7.7%], and Orthopedics [Median=8.0 days, IQR=7.0-10.0, Incomplete=0.0%]. The bottom 3 performers were Dermatology [Median=52days, IQR=41.5-92.5, Incomplete=25.0%], Neurology [Median=40.0 days, IQR= 2.5-43.5, Incomplete=56.3%], and Urology [Median=14.0 days, IQR=10.5-48.0, Incomplete=33.3%]. Conclusion: We found a tremendous range of variability in both the waiting times and actual reliability of outpatient referral processes from the ED. Future phases of this project will focus on examining specific processes of the top and bottom performing specialties in order to improve and standardize all outpatient referrals.

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