A Simulated Case of Acute Salicylate Toxicity From an Intentional Overdose

Under- and post-graduate training to manage the acutely unwell patient: a scoping review

BACKGROUND

Junior doctors are often the first responders to acutely unwell patients and yet frequently report feeling under-prepared to do so. To understand whether this is consequential of how medical students and doctors are trained to manage acutely unwell patients, a scoping review was conducted using a systematic approach.

METHODS

The review, informed by the Arksey and O'Malley and PRISMA-ScR guidelines, identified educational interventions targeting the management of acutely unwell adults. Seven major literature databases were searched for journal articles published in English from 2005 to 2022, in addition to the Association of Medical Education in Europe (AMEE) conference proceedings from 2014 to 2022.

RESULTS

Seventy-three articles and abstracts were eligible for the review, the majority of which were from the UK or USA, and demonstrated that educational interventions were more commonly targeted at medical students than qualified doctors. The majority of studies used simulation, but very few integrated complexities of the clinical environment within scenarios such as multidisciplinary working, distraction-handling techniques and other non-technical skills. A wide range of learning objectives pertaining to acute patient management were stated across studies, but few explicitly cited educational theory underpinning their study.

CONCLUSIONS

The results of this review encourages future educational initiatives to consider enhancing authenticity within simulation to promote transfer of learning to clinical practice, and use educational theory to augment the sharing of educational approaches within the community of clinical education practice. Additionally, increasing the focus on post-graduate learning, building upon undergraduate educational foundations, is essential to promoting lifelong learning within the ever-changing healthcare environment.

A predictive model for serious adverse events in adults with acute poisoning in prehospital and hospital care

OBJECTIVE

The objective of this study was to design a risk model with variables determined before hospital arrival to predict the risk of serious adverse events in patients with acute poisoning.

METHODS

A preliminary prospective, multicentre cohort study of adults with prehospital diagnosis of acute intoxication was conducted. The study was carried out in the Public Health System of the Community of Castilla-Leon (Spain), including seven advanced life support units and five hospitals, between April 1, 2018, and June 30, 2019. People aged >18 years with a main prehospital diagnosis of acute poisoning admitted to a referral hospital on advanced life support were included. The main outcome measure was prehospital and hospital serious adverse events in patients with acute poisoning.

RESULTS

We included 221 patients, with a median age of 47 years (interquartile range: 33-61). The most frequent cause of poisoning was psychopharmaceuticals (111 cases, 49.8%): 38 (17.2%) patients had a serious adverse event, with a hospital mortality of 4.1% (nine cases) in the 30 days after the index event. The final model included age ≥65 years (odds ratio [OR]: 9.59, 95% confidence interval [CI]: 3.48-26.45; p < 0.001), oxygen saturation/fraction of inspired oxygen index ≤300 (OR: 15.03, 95% CI: 5.74-39.33; p < 0.001), and point-of-care lactate ≥4 mmol/L (OR: 7.68, 95% CI: 2.88-20.45; p < 0.001). The poisoning Early Warning Score was constructed from these three variables, and 1 point was assigned to each variable. The area under the curve of the score was 0.896 (95% CI: 0.82-0.96; p < 0.001).

CONCLUSIONS

The poisoning Early Warning Score may help in decision-making and promote early identification of high-risk patients with acute poisoning in the prehospital context.

The Treatment of Metabolic Acidosis: An Interactive Case-Based Learning Activity

Introduction

Metabolic acidosis is a dangerous and potentially life-threatening condition encountered in the inpatient and emergency department setting. Metabolic acidoses due to renal failure, bicarbonate losses, or lactic acidosis are common conditions, and the appropriate medical management of each is relevant to any inpatient medical provider. Therefore, we created a learning activity that utilizes blackboard-style videos followed by an interactive case-based learning session to help the medical student recognize, diagnose, and manage common causes of metabolic acidosis.

Methods

We organized this learning activity by assigning digital videos, followed by application in an interactive team-based format. We created electronic blackboard-style videos and a quiz to assess medical knowledge related to concepts discussed in the videos. Next, we created case resources that facilitate an interactive case-based teaching session so the learners could apply their knowledge and simulate the management of metabolic acidosis.

Results

We implemented this activity for 34 medical students. All students viewed the videos prior to the in-class session. In a pre/post assessment of medical knowledge, we observed a significant improvement in quiz scores. Next, we successfully facilitated the case-based active learning session, allowing the assessment of higher-order cognitive skills related to management of patients with metabolic acidosis. Our medical students felt highly satisfied and competent at the completion of our course.

Discussion

Our medical students rated this as an excellent learning activity. Others may find this activity useful within the context of any course or rotation related to patients with metabolic acidosis.

Chronic Salicylate Toxicity Simulation

Introduction

Chronic salicylate toxicity is an uncommon, potentially life-threatening poisoning that requires high clinical suspicion in order to make the diagnosis. We created a simulation case that challenges learners to analyze case information, construct a differential diagnosis of an elevated anion gap metabolic acidosis with respiratory alkalosis, and initiate treatment for this toxicity.

Methods

The simulation case was designed for emergency medicine residents and pediatric emergency medicine fellows. The activity began with a brief overview of the monitors, equipment, and simulation experience. For interns, a team of two learners comanaged the case; for senior learners, the case was managed solo. The learners had 15 minutes to complete a focused history and physical exam, request and interpret labs and studies, and initiate specific treatments. The simulation was followed by a 15-minute facilitated debrief session that included an overview of key learning points and learner performance based on an evaluation checklist.

Results

Residents completed a postparticipation questionnaire consisting of six questions rated on a 5-point Likert scale. Overall, residents reported a high degree of satisfaction with the simulation experience. The case and debrief were effective in meeting the educational objectives and proved to be an effective modality to fill this educational gap.

Discussion

This simulation exercise was effective in showing residents the uncommon presentation of chronic salicylate toxicity. Learners reported increased confidence in recognizing and managing this ingestion. The simulation experience closed an identified education gap and provided an experiential learning opportunity that accomplished the targeted learning objectives.