Diagnosis and Management of Amanita Phalloides Toxicity in the Emergency Department Observation Unit: A Case Report.

Introduction: Mushroom toxicity is an important etiology of acute liver injury in a patient with gastrointestinal symptoms. Case Report: We present the case of a male patient presenting to the emergency department (ED) with gastrointestinal distress who was placed under ED observation for elevated liver function tests. During his hospital course, it was revealed he had consumed wild mushrooms believed to be Amanita phalloides. Conclusion: While mushroom ingestion and subsequent toxicity are rare, a high index of suspicion in foraging hobbyists is essential to arriving at the correct diagnosis and directing the patient to the appropriate management.

Epilepsy Caused by Neurocysticercosis: A Case Report.

Neurocysticercosis is one of the most common causes of acquired epilepsy worldwide. This diagnosis is rarely considered in patients presenting to the emergency department (ED) with recurrent seizures in the United States (U.S.). This is the case of a young adult male presenting with post-ictal confusion and recurrent seizures requiring intubation for agitation and airway protection. It illustrates the need to maintain a broad differential when considering etiology of seizures in a globalized patient population. Topics: Seizure, neurocysticercosis, epilepsy, parasitic infection.

Does Patient Weight, Age, or Gender Correlate With the Ability to Visualize the Distal Aorta on Bedside Aortic Ultrasounds in the Emergency Department?

INTRODUCTION: Abdominal aortic aneurysms (AAA) have a varied presentation, which often makes the diagnosis difficult. The most common location for an AAA is in the infra-renal or distal aorta, which can be difficult to visualize using bedside ultrasound.  Objective: This study was designed to identify if a patient's weight, gender, or age influenced our ability to visualize the distal aorta on bedside abdominal aortic ultrasound scans.  Methods: All aortic scans completed in the Emergency Department (ED) from September 2010 to September 2013 were retrospectively evaluated. Patients 21 years and older were included. Scans missing age, gender, or self-reported weight were excluded.  Results: 500 aortic scans were included. The distal aorta was visualized in 393 scans (78.6%). The mid aorta was visualized in 417 scans (83.4%). The proximal aorta was visualized in 454 scans (90.8%). For the distal aorta, the average weight for visualized versus not visualized was 75.7 kg versus 79.7 kg. For the proximal aorta, the average weight for visualized versus not visualized was 75.8 kg versus 84.0 kg. Weight significantly predicted the ability to visualize the proximal aorta (unadjusted p=0.0098, adjusted p=0.0095) and marginally predicted the ability to visualize the distal aorta (unadjusted p=0.071, adjusted p=0.019). Neither age (unadjusted p=0.13, adjusted p=0.052) nor gender (unadjusted p=0.74, adjusted p=0.40) was significantly associated with visualization. CONCLUSION: There is no clinically significant difference in the ability to visualize a patient's distal aorta with bedside ultrasound based on a patient's body weight, gender, or age.

Impact of Bedside Ultrasound on Emergency Department Length of Stay and Admission in Patients With a Suspected Peritonsillar Abscess.

Introduction Patients presenting to the Emergency Department (ED) with a suspected peritonsillar abscess (PTA) often pose a diagnostic dilemma, as clinical impression is often unreliable and traditional diagnostic methods have multiple downsides. Bedside ultrasonography has been cited as a modality to improve the diagnosis and management of PTA. We aimed to determine the impact bedside ultrasound (US) could have in suspected PTA on ED length of stay (LOS) and hospital admission rates. Methods We performed a retrospective chart review on patients who presented to the ED with suspected ''peritonsillar abscess''. Results From a sample of 58 charts, seven had documented bedside US performed. The average ED length of stay for these seven cases was 160 minutes (range: 52 to 270 minutes). The ED length of stay for all other cases utilizing other diagnostic methods during the same time period was 293 minutes (range: 34 to 780 minutes). None of the patients who were diagnosed with US were admitted to the hospital, whereas 36.4% of patients where US was not used were admitted. Conclusion The use of bedside US in seven cases of suspected PTA had reduced LOS in the ED and none required hospital admission.

Characterization of predictors of ESBL-producing enterobacteriaceae in urine cultures of emergency department patients.

STUDY OBJECTIVE: With increasing prevalence of extended-spectrum beta-lactamase-producing enterobacteriaceae (ESBLE), more reliable identification of predictors for ESBLE urinary tract infection (UTI) in the emergency department (ED) is needed. Our objective was to evaluate risk factors and their predictive ability for ED patients with ESBLE UTI. METHODS: This was a retrospective case-control study at an urban academic medical center. Microbiology reports identified adult ED patients with positive urine cultures from 2015-2018. Inclusion criteria were diagnosis of UTI with monomicrobial enterobacteriaceae culture growth. Exclusions were cultures with carbapenemase-resistant enterobacteriaceae or urinary colonization. Collected variables included demographics, comorbidities, and recent medical history. Patient disposition, urine culture susceptibilities, presence of ESBLE, empiric antibiotics, and therapy modifications were collected. Patients were stratified based on ESBLE status and analyzed via descriptive statistics. The data were divided into 2 parts: the first used to identify possible predictors of ESBLE UTI and the second used to validate an additive scoring system. RESULTS: Of 466 patients, 16.3% had ESBLE urine culture growth and 83.7% did not; 39.5% of ESBLE patients required antibiotic therapy modification, as compared to 6.4% of ESBLE negative patients (odds ratio [OR] 9.5; confidence interval [CI] 8.9-10.1). Independent predictors of ESBLE UTI were IV antibiotics within 1 year (OR 5.4; CI 2.1-12.8), surgery within 90 days (OR 6.4; CI 1.5-27.8), and current refractory UTI (OR 8.5; CI 2.0-36.6). CONCLUSION: Independent predictors of ESBLE UTI in emergency department patients included IV antibiotics within 1 year, surgery within 90 days, and current refractory UTI.

Descriptive study of drug-drug interactions attributed to prescriptions written upon discharge from the emergency department.

OBJECTIVE: The primary purpose of this study was to identify the most common drug-drug interactions (DDI'S) in patients prescribed medications upon discharge from the emergency department. METHODS: We conducted a respective chart review of patients discharged home with a prescription from an academic emergency department. The study period was from August 1, 2015 to August 31, 2015. Patients will be excluded if they meet the following criteria: age under 20 years; discharge home without a prescription; inpatient hospital admission; transfer to another inpatient facility; or sign out against medical advice. The primary endpoint is the identification and characterization of drug-drug interactions caused by discharge prescriptions written by the treating physician. RESULTS: A total of 500 patient charts were included, with 38% having at least one DDI. Overall, there were 429 DDIs among 858 prescriptions written. 15.6% (n = 67) of the DDI's were classified as B, no modification of therapy needed. 60% (n = 260) of the DDIs were risk-rating category C, requiring monitoring of therapy. 22% (n = 95) of the DDI's identified were category D, which are consider modification of therapy. Lastly, we identified 1.6% (n = 7) category X DDI's. The top 3 most commonly associated drugs were oxycodone/acetaminophen, ibuprofen, and ciprofloxacin. CONCLUSION: DDIs are occurring upon discharge from a large, urban, tertiary care, academic medical center. Many of the DDI's identified do not require any modification to therapy. However, 23.6% of identified DDI's required modification or were contraindicated. A majority of the category X drug interactions involved QT prolongation.

Apical Hypertrophic Cardiomyopathy: A Concerning Electrocardiogram in the Emergency Department.

BACKGROUND: Apical hypertrophic cardiomyopathy is a rare, complex phenotypic variant of the classically taught hypertrophic cardiomyopathy. It is highly variable in its pathophysiology as well as its clinical course, spanning the spectrum from a healthy asymptomatic lifestyle to sudden cardiac death and severe diastolic dysfunction. The hallmark electrocardiographic findings of unusually large T-wave inversions, in conjunction with the most common presenting symptom being chest pain, makes this disease entity concerning in the emergency department (ED) setting. CASE REPORT: A 61-year-old man with a history of hypertension presented to the ED with chest pain. His electrocardiogram exhibited a biphasic T wave in lead V2 with ST depressions in leads V3-V6 with deep symmetrical T-wave inversions in these leads as well. His troponin was negative and the patient was taken for cardiac catheterization. Catheterization revealed no coronary artery disease; however, it revealed a "spade like" filling pattern of the left ventricle, suggestive of an apical variant of hypertrophic cardiomyopathy. Subsequent cardiac magnetic resonance imaging confirmed the diagnosis of apical hypertrophic cardiomyopathy and the patient was started on a beta-blocker and discharged with cardiology follow-up. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Electrocardiographic interpretation is a critical skill of the emergency physician. Awareness of the syndrome and its specific electrocardiogram findings may help facilitate further testing that will aid in timely diagnosis and interventions.

Procedure rates performed by emergency medicine residents: a retrospective review.

BACKGROUND: The purpose of our study is to investigate rates of individual procedures performed by residents in our emergency medicine (EM) residency program. Different programs expose residents to different training environments. Our hypothesis is that ultrasound examinations are the most commonly performed procedure in our residency. METHODS: The study took place in an academic level I trauma center with multiple residency and fellowship programs including surgery, surgical critical care, trauma, medicine, pulmonary/critical care, anesthesiology and others. Also, the hospital provides a large emergency medical services program providing basic and advanced life support and critical care transport, which is capable of performing rapid sequence intubation. Each EM residency class, except for the first 2 months of the inaugural class, used New Innovations to log procedures. New Innovations is an online database for tracking residency requirements, such as procedures and hours. For the first 3 months, procedures were logged by hand on a log sheet. In addition, our department has a wireless electronic system (Qpath) for recording and logging ultrasound images. These logs were reviewed retrospectively without any patient identifiers. Actual procedures and simulation procedures were combined for analysis as they were only logged separately halfway through the study period. Procedures were summed and the average procedure rate per resident per year was calculated. RESULTS: In total, 66 full resident years were analyzed. Overall, ultrasound was the most commonly performed procedure, with each resident performing 125 ultrasounds per year. Removing "resuscitations," the second most common was endotracheal intubation, performed 28.91 times per year, and third most was laceration repair, which was performed 17.39 times per year. Our lowest performed procedure was thoracentesis, which was performed on average 0.11 times per resident per year. CONCLUSIONS: Residents performed a variety of procedures each year. Ultrasound examinations were the most frequent procedure performed. The number of ultrasound procedures performed may reflect the changing training landscape and influence future Accreditation Council of Graduate Medical Education requirements.

Diffuse Subcutaneous Emphysema, Pneumomediastinum, and Pneumothorax following Robotic Assisted Laparoscopic Hysterectomy.

Robotic assisted laparoscopic surgery is becoming more widely available, but despite its multiple benefits, it is not without risk. This case is of a 62-year-old female who presented to the emergency department for dyspnea two days after robotic assisted laparoscopic hysterectomy. Physical exam revealed diffuse facial, neck, upper extremity, torso, and lower extremity crepitus, which was diagnosed as diffuse subcutaneous air on computed tomography (CT). Imaging also revealed right apical pneumothorax and pneumomediastinum. The patient progressively improved over one month, with resolution of symptoms.

Audience Response System Facilitates Prediction of Scores on In-Training Examination.

INTRODUCTION: Audience response systems (ARS) are increasingly popular; however, their contribution to education is not completely clear. Our study found that scores from review quizzes delivered by an ARS correlate with in-training exam (ITE) scores and are viewed positively by residents. This information may be useful in identifying poor performers early so that targeted educational interventions can be made. The objective was to determine if scores on review quizzes delivered by an ARS correlate with ITE scores and to obtain participant feedback on use of the ARS for ITE preparation. METHODS: This was a prospective observational study of emergency medicine (EM) residents at six accredited EM residency programs. Subjects included residents who had taken previous ITEs. Subjects participated in bimonthly review sessions using an ARS. Twelve review quizzes were administered, each consisting of 10 multiple-choice questions. After the ITE, subjects completed an attitudinal survey consisting of six Likert-scale items and one "yes/no" item. We used a mixed linear model to analyze the data, accounting for prior 2012 ITE scores and nesting due to institution. RESULTS: Among 192 participants, 135 (70.3%) completed the ITE in both 2012 and 2013; we analyzed their data for the first objective. Results from the mixed linear model indicate that the total mean score on the review quizzes was a significant [t(127) = 6.68; p < 0.001] predictor of the 2013 ITE after controlling for the 2012 ITE score. One hundred forty-six (76.0%) participants completed the attitudinal survey; 96% of respondents stated that they would like ARS to be used more often in resident education. Respondents felt the sessions aided in learning (mean 7.7/10), assisted in preparation for the ITE (mean 6.7/10), and helped identify content areas of weakness (mean 7.6/10). CONCLUSION: Our results suggest that scores from review quizzes delivered by an audience response system correlate with in-training exam scores and is viewed positively by residents.

How Does Emergency Department Crowding Affect Medical Student Test Scores and Clerkship Evaluations?

INTRODUCTION: The effect of emergency department (ED) crowding has been recognized as a concern for more than 20 years; its effect on productivity, medical errors, and patient satisfaction has been studied extensively. Little research has reviewed the effect of ED crowding on medical education. Prior studies that have considered this effect have shown no correlation between ED crowding and resident perception of quality of medical education. OBJECTIVE: To determine whether ED crowding, as measured by the National ED Overcrowding Scale (NEDOCS) score, has a quantifiable effect on medical student objective and subjective experiences during emergency medicine (EM) clerkship rotations. METHODS: We collected end-of-rotation examinations and medical student evaluations for 21 EM rotation blocks between July 2010 and May 2012, with a total of 211 students. NEDOCS scores were calculated for each corresponding period. Weighted regression analyses examined the correlation between components of the medical student evaluation, student test scores, and the NEDOCS score for each period. RESULTS: When all 21 rotations are included in the analysis, NEDOCS scores showed a negative correlation with medical student tests scores (regression coefficient= -0.16, p=0.04) and three elements of the rotation evaluation (attending teaching, communication, and systems-based practice; p<0.05). We excluded an outlying NEDOCS score from the analysis and obtained similar results. When the data were controlled for effect of month of the year, only student test score remained significantly correlated with NEDOCS score (p=0.011). No part of the medical student rotation evaluation attained significant correlation with the NEDOCS score (p≥0.34 in all cases). CONCLUSION: ED overcrowding does demonstrate a small but negative association with medical student performance on end-of-rotation examinations. Additional studies are recommended to further evaluate this effect.

Decreasing length of stay in the emergency department with a split emergency severity index 3 patient flow model.

OBJECTIVES: There has been a steady increase in emergency department (ED) patient volume and wait times. The desire to maintain or decrease costs while improving throughput requires novel approaches to patient flow. The break-out session "Interventions to Improve the Timeliness of Emergency Care" at the June 2011 Academic Emergency Medicine consensus conference "Interventions to Assure Quality in the Crowded Emergency Department" posed the challenge for more research of the split Emergency Severity Index (ESI) 3 patient flow model. A split ESI 3 patient flow model divides high-variability ESI 3 patients from low-variability ESI 3 patients. The study objective was to determine the effect of implementing a split ESI 3 flow model has on patient length of stay (LOS) for discharged patients. METHODS: This was a retrospective chart review at an urban academic ED seeing over 70,000 adult patients a year. Cases consisted of adults who presented from 9 a.m. to 11 p.m. from June 1, 2011, to December 31, 2011, and were discharged. Controls were patients who presented on the same times and days, but in 2010. Visit descriptors included age, race, sex, ESI score, and first diagnosis. The first diagnosis was coded based on methods used by the Agency for Healthcare Research and Quality to codify International Classification of Diseases, ninth version, into disease groups. Linear models compared log-transformed LOS for cases and controls. A front-end ED redesign involved creating guidelines to split ESI 3 patients into low and high variability, a hybrid sort/triage registered nurse, an intake area consisting of an internal results waiting room, and a treatment area for patients after initial assessment. The previous low-acuity area (ESI 4s and 5s) began to see low-variability ESI 3 patients as well. This was done without additional beds. The intake area was staffed with an attending emergency physician (EP), a physician assistant (PA), three nurses, two medical technicians, and a scribe. RESULTS: There was a 5.9% decrease, from 2.58 to 2.43 hours, in the geometric mean of LOS for discharged patients from 2010 to 2011 (95% confidence interval CI = 4.5% to 7.2%; 2010, n = 20,215; 2011, n = 20,653). Abdominal pain was the most common diagnostic grouping (2010, n = 2,484; 2011, n = 2,464) with a reduction in LOS of 12.9%, from 4.37 to 3.8 hours (95% CI = 10.3% to 15.3%). CONCLUSIONS: A split ESI 3 patient flow model improves door-to-discharge LOS in the ED.