44 y/o male presents to ER following ingestion of an entire bottle of metoprolol. Patient declines, requiring multiple management and decontamination strategies.
A 44-year-old male presents to the emergency department following the ingestion of an entire bottle of metoprolol. Decontamination strategies should be utilized alongside consultation with poison control. Patient clinically deteriorates as the drug reaches peak effects, requiring IVF, atropine, glucagon, multi-dose vasopressors, high dose insulin, and a discussion around potential salvage therapies.
Overall Goal: Allow learners to identify and treat a severe beta blocker overdose requiring maximal medical therapy, including infrequently utilized therapies.
Specific Learning Objectives:
Time Recommended: 50 minutes total (5 min Setup | 20 min Scenario | 25 min Debrief)
Patient Recommendation: Manikin w/ pacing capabilities
Medical Equipment:
Medications:
| Role | Description (Role, Behaviour, Key Moments, Script) |
| Nurse |
You will be the one on the phone with poison control. Communicate poison control recommendations as needed to facilitate appropriate medical management. |
Moulage: No moulage necessary
Set-Up: No monitors at case onset. Patient on bed in ED.
Note: While prepping for your simulation, don't forget to prep for the debrief. Become comfortable with your chosen framework, review your objectives. For additional debriefing resources, see our Resources page.
Credits:
Original Author: Donovan MacDonald, Daniel Ovakim
Date: April 2020
Originally published on: EM Sim Cases
Most Recent Modification: July 2021
Modified by: Mateo Orrantia
A good prebriefing is an essential component of running effective simulations, as it sets the stage for everything that comes after it1-3. An effective prebrief will create a safe container for learning, and in doing so, help participants feel more comfortable pushing their limits, sharing their thoughts and feelings, and buying into the experience. In turn, this will enhance engagement, participation, and learning. To that end, the prebriefing process needs to cover a lot of information1-5, which can make it daunting to novice or non-expert facilitators. To help, we have consulted the relevant literature and put together a prebrief guide to ensure that you have the tools you need to run an effective pre-briefing session.
Throughout the pre-brief, it is important that you convey your commitment to respecting learners and their perspective2-4, and establish and maintain the simulation as a safe space for learning1,4,5.
Prebrief Guide (Sample Phrases in Italics)
Welcome learners. Introduce yourself, your role, and your experience with simulation.
Go over the time requirements for the simulation, when breaks will occur, how learners should handle incoming calls or texts, etc.
Clarify the learning objectives for the simulation1-5. Give information on the purpose of the simulation without giving out specific actions or information that might compromise the learning experience for participants.
Explain how participants will be evaluated (formative/summative/not evaluated). Briefly discuss the debrief process that will take place at the end of the simulation.
Give details on what expectations are for the learners' behaviour during the simulation, setting basic ground rules2-5. Go over expectations for yourself as the facilitator. Reinforce the simulation as a learning environment, where mistakes aren't something to be punished but opportunities for further learning.
This could be a good place to pause and ask learners if they have any additional expectations, fears, comments, or questions about the topic for the day.
Ensure all participants agree to the confidentiality expectations of the simulation. Often, this will follow the mantra of "What happens in the simulation stays in the simulation," where learners and instructors agree not to share information on others' performance or scenario details outside of the simulation environment.
Explain that you've done what you can to make the simulation as real as possible, but acknowledge the limitations. Ask the learner to commit to doing what they can to act as if everything was real, explaining that the quality of their learning will depend on their willingness to participate as fully as possible. For the first simulation with a new group, it could be helpful to explain the importance of a mutual fiction contract.
Explain the different roles in the simulation and assign learners to them. If you have predetermined scripts for certain roles, hand them out here.
Explain the resources that will be available for the participants to use, how they should call for help in the simulation, what your role will be in providing information.
Orient participants to simulation space, equipment, manikin, etc. This can also be done by allowing participants to explore the simulation space and manikin for themselves.
Ask for questions!
References
1. Rudolph JW, Raemer DB, Simon R. Establishing a safe container for learning in simulation: the role of the presimulation briefing. Simul Healthc. 2014 Dec;9(6):339-49. doi: 10.1097/SIH.0000000000000047. PMID: 25188485.
2. Leigh G, Steuben F. Setting Learners up for Success: Presimulation and Prebriefing Strategies. Teaching and Learning in Nursing. 2018; 13(3):185-189. https://doi.org/10.1016/j.teln.2018.03.004
3. Lecomte F, Jaffrelot M. Chapter 33 - Prebriefing and Briefing. Clinical Simulation. 2019; 2nd ed.; 471-482. https://doi.org/10.1016/B978-0-12-815657-5.00034-6.
4. INACSL Standards Committee (2016, December). INACSL standards of best practice: SimulationSM Facilitation. Clinical Simulation in Nursing, 12(S), S16-S20. http://dx.doi.org/10.1016/j.ecns.2016.09.007.
5. Simon R, Raemer D, Rudolph J. Rater's handbook for the Debriefing Assessment for Simulation in Healthcare (DASH) Rater Version. 2009. http://www.harvardmedsim.org/debriefing-assesment-simulation-healthcare.php.
A 44-year-old male presents to the ED, feeling remorseful and unwell. He drove himself there after ingesting an entire bottle of his prescription medications.
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Patient Chart |
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Patient Name: Hunter Campbell |
Age: 44 |
Gender: M |
Weight: 70kg |
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Presenting complaint: Intentional overdose ingestion - no specific complaints at triage |
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Temp: 36.7 |
HR: 90 |
BP: 120/75 |
RR: 15 |
O2Sat: 97% |
FiO2: RA |
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|
Cap glucose: 6.5mmol/L |
GCS: 15 (E4 V5 M6) |
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Triage Note: 44yr old male with intentional OD ingestion after |
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Allergies: NKDA |
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Past Medical History: |
Current Medications: |
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Further History: The patient had just filled his prescription at the pharmacy adjacent to the hospital, and impulsively took the entire bottle after leaving work. The estimated ingestion is of 100 x 50 mg tablets (5000 mg) approximately 45 minutes prior to presentation.
| Physical Exam | |
| Cardio: S1, S2 without murmurs, rubs or extra heart sounds. Palpable peripheral pulses x4. | Neuro: Alert and oriented, appears anxious with a normal screening neurological exam |
| Resp: Breath sounds equal bilaterally, no adventitious sounds. | Head & Neck: Nil |
| Abdo: Soft, non-tender | MSK/Skin: Nil |
| Other: No distress at present but anxious he will get worse | |
A 44-year-old male presents to the ED, feeling remorseful and unwell. He drove himself there after ingesting an entire bottle of his prescription medications.
|
Patient Chart |
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|
Patient Name: Hunter Campbell |
Age: 44 |
Gender: M |
Weight: 70kg |
||||||
|
Presenting complaint: Intentional overdose ingestion - no specific complaints at triage |
|||||||||
|
Temp: 36.7 |
HR: 90 |
BP: 120/75 |
RR: 15 |
O2Sat: 97% |
FiO2: RA |
||||
|
Cap glucose: 6.5mmol/L |
GCS: 15 (E4 V5 M6) |
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Triage Note: 44yr old male with intentional OD ingestion after |
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Allergies: NKDA |
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Past Medical History: |
Current Medications: |
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Time: 45 mins post-ingestion
Patient is alert, but anxious.
Note: If the learners decide to call poison control, you can have them actually call and talk to poison control, or deliver what you think would be poison control's recommendations yourself. These can also be delivered through a supporting character like a "nurse" who "speaks" to poison control and gets back to learners.
| Patient State/Vitals | ||||||
| Rhythm: Sinus | HR: 90 | BP: 120/75 | RR: 15 | |||
| O2SAT: 97% | T: 36.7oC | GCS: 15 | ||||
| Expected Learner Actions | Modifiers | Triggers |
|---|---|---|
|
History/Physical |
No Modifiers for this stage |
All actions OR 5 mins ⇒ 2. Initial Resuscitation |
This ECG shows sinus bradycardia, with a first-degree AV block - indicated by a long PR interval. Sinus bradycardia is one of the symptoms of a beta blocker overdose.1st degree AV blocks can be caused by beta blockers (which are AV nodal blocking drugs) and hyperkalemia (which can occur from beta blocker ODs).
| Patient State/Vitals | ||||||
| Rhythm: Sinus | HR: 90 | BP: 120/75 | RR: 15 | |||
| O2SAT: 97% | T: 36.7oC | GCS: 15 | ||||
Time: 60 mins post-ingestion
Alert and lightheaded, with vague symptoms of pre-syncope. Give learners the lab results.
| Patient State/Vitals | ||||||
| Rhythm: Sinus | HR: 45 (↓) | BP: 90/45 (↓) | RR: 18 (↑) | |||
| O2SAT: 98% | T: 36.7oC | GCS: 15 | ||||
| Expected Learner Actions | Modifiers | Triggers |
|---|---|---|
|
Recognize early hemodynamic instability
|
Supportive treatment with IVF ⇒ Transient Rise, consider 3rd L Glucagon ⇒ Trigger nausea and vomiting requiring antiemetics, no change in hemodynamics Atropine ⇒ No Effect |
All actions complete OR 10 minutes into Scenario ⇒ 3. Refractory Hypotension |
Lab results fairly unremarkable, save for low Calcium.
| Hunter Campbell | |||||
| MRN: 1234-567-890 | Age: 44 | ||||
| Complete Blood Count | |||||
| WBC | 9.5 | x109L | |||
| Hgb | 140 | g/L | |||
| Plt | 420 | x109L | H | ||
| Electrolytes | |||||
| Na | 140 | mmol/L | |||
| K | 3.5 | mmol/L | |||
| HCO3 | 28 | mmol/L | |||
| AG | 7 | mEq/L | |||
| Urea | 5.7 | mmol/L | |||
| Cr | 72 | µmol/L | |||
| eGFR | >120 | ||||
| Glucose | 9 | mmol/L | H | ||
| Extended Lytes | |||||
| Ca | 1.02 | mmol/L | L | ||
| Mg | 0.7 | mmol/L | |||
| PO4 | 1.17 | mmol/L | |||
| Albumin | 45 | mmol/L | |||
| TSH | 2 | µU/mL | |||
| Venous Blood Gas | |||||
| pH | 7.38 | ||||
| pCO2 | 35 | mmHg | |||
| PO2 | 98 | mmHg | |||
| HCO3 | 28 | meQ/L | |||
| Lactate | 1.4 | mmol/L | |||
| Cardiac/Coags | |||||
| INR | 0.9 | Normal | |||
| aPTT | 23 | Normal | |||
| Biliary | |||||
| AST | 27 | U/L | |||
| ALT | 23 | U/L | |||
| GGT | 13 | U/L | |||
| ALP | 69 | U/L | |||
| Biliary | 12 | µmol/L | |||
| Lipase | 25 | U/L | |||
| Tox | |||||
| EtOH | <2 | mmol/L | |||
| ASA | <0.3 | mmol/L | |||
| Tylenol | <66 | mcg/mL | |||
Time: 60 mins post-ingestion
| Patient State/Vitals | ||||||
| Rhythm: Sinus | HR: 45 (↓) | BP: 90/45 (↓) | RR: 18 (↑) | |||
| O2SAT: 98% | T: 36.7oC | GCS: 15 | ||||
| Hunter Campbell | |||||
| MRN: 1234-567-890 | Age: 44 | ||||
| Complete Blood Count | |||||
| WBC | 9.5 | x109L | |||
| Hgb | 140 | g/L | |||
| Plt | 420 | x109L | H | ||
| Electrolytes | |||||
| Na | 140 | mmol/L | |||
| K | 3.5 | mmol/L | |||
| HCO3 | 28 | mmol/L | |||
| AG | 7 | mEq/L | |||
| Urea | 5.7 | mmol/L | |||
| Cr | 72 | µmol/L | |||
| eGFR | >120 | ||||
| Glucose | 9 | mmol/L | H | ||
| Extended Lytes | |||||
| Ca | 1.02 | mmol/L | L | ||
| Mg | 0.7 | mmol/L | |||
| PO4 | 1.17 | mmol/L | |||
| Albumin | 45 | mmol/L | |||
| TSH | 2 | µU/mL | |||
| Venous Blood Gas | |||||
| pH | 7.38 | ||||
| pCO2 | 35 | mmHg | |||
| PO2 | 98 | mmHg | |||
| HCO3 | 28 | meQ/L | |||
| Lactate | 1.4 | mmol/L | |||
| Cardiac/Coags | |||||
| INR | 0.9 | Normal | |||
| aPTT | 23 | Normal | |||
| Biliary | |||||
| AST | 27 | U/L | |||
| ALT | 23 | U/L | |||
| GGT | 13 | U/L | |||
| ALP | 69 | U/L | |||
| Biliary | 12 | µmol/L | |||
| Lipase | 25 | U/L | |||
| Tox | |||||
| EtOH | <2 | mmol/L | |||
| ASA | <0.3 | mmol/L | |||
| Tylenol | <66 | mcg/mL | |||
Time: 120 mins post-ingestion
Patient is drowsy and unwell
Note: If learners start arranging for transfer, alert them that due to weather and road closures, transfer will be impossible for another hour.
| Patient State/Vitals | ||||||
| Rhythm: Sinus | HR: 50 (↓) | BP: 88/42 (↓) | RR: 18 | |||
| O2SAT: 96% (↓) | T: 36.7oC | GCS: 15 | ||||
| Expected Learner Actions | Modifiers | Triggers |
|---|---|---|
|
Recognize refractory hemodynamics Consider central venous access |
NEpi, Epi, Vasopressors initiated ⇒ Poor response High-dose insulin and dextrose ⇒ Poor response Central line requested ⇒ Can assume to be placed PRN |
All actions complete OR 15 mins into Scenario ⇒ 4. Salvage Therapy |
Time: 120 mins post-ingestion
| Patient State/Vitals | ||||||
| Rhythm: Sinus | HR: 50 (↓) | BP: 88/42 (↓) | RR: 18 | |||
| O2SAT: 96% (↓) | T: 36.7oC | GCS: 15 | ||||
Time: 180 mins post-ingestion
Patient is poorly responsive and confused. Transfer had been impossible until now, but you're getting word that they are on their way to take the patient, and should be here in a half hour.
| Patient State/Vitals | ||||||
| Rhythm: Wide complex escape | HR: 30 (↓) | BP: 65/30 on 2-3 vasopressors (↓) | RR: 14 (↓) | |||
| O2SAT: 90% (↓) | T: 36.7oC | GCS: 12 (↓) | ||||
| Expected Learner Actions | Modifiers | Triggers |
|---|---|---|
|
Increase high-dose insulin by 1 unit/kg/hour q20-30mins |
High-dose insulin ⇒ Improved hemodynamics and mentation (multifactorial) Lipid emulsion therapy discussed ⇒ Rarely recommended |
Arrange transfer OR 20mins into Scenario⇒ Debrief |
This ECG shows a sinus arrest with a ventricular escape rhythm, which can be caused by beta blocker overdoses. There is a sinus pause (only a single P wave on the 6-second strip). There is also an LBBB morphology - where the S wave is dominant in V1 - which suggests a ventricular escape rhythm arising from the right bundle branch.
Time: 180 mins post-ingestion
| Patient State/Vitals | ||||||
| Rhythm: Wide complex escape | HR: 30 (↓) | BP: 65/30 on 2-3 vasopressors (↓) | RR: 14 (↓) | |||
| O2SAT: 90% (↓) | T: 36.7oC | GCS: 12 (↓) | ||||
Choosing a Debrief Framework:
A good debrief has been identified in the literature as the most important part of a successful simulation experience. If you're a novice or inexperienced facilitator, use this table to help you choose which debrief framework you want to use, just tap the button on their name and you will be directed to the appropriate aids or scripts. While we recommend the PEARLS framework, take a look to see if there may be another that is a better fit for your situation.
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Time |
Facilitator Level |
Prep Time |
Scenario Type |
Flexibility |
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Moderate |
Novice |
Moderate |
Any |
High |
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Short-Moderate |
Novice |
Low |
Short w/ Clear Objectives |
Low |
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Moderate |
Novice |
Moderate |
Any, esp. Team-focused |
Moderate |
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Very Short |
No experience |
None |
Any |
Low |
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Short |
Novice |
Low |
Low number of non-technical skills |
Low |
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Very Short |
No experience |
None |
Any |
Moderate |
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Moderate-Long |
Novice |
Moderate |
Any |
Moderate |
(To learn more about this debriefing framework, visit our page on Debriefing resources)
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
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Phase |
Objective |
Task |
Sample Phrases |
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1. Setting the Scene |
Create a safe context for learning |
State the goal of debriefing; articulate the basic assumption |
“Let’s spend X minutes debriefing. Our goal is to improve how we work together and care for our patients.” “Everyone here is intelligent and wants to improve”
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2. Reactions |
Explore feelings |
Solicit initial reactions and emotions
|
“Any initial reactions?” “How are you feeling?” |
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3. Description |
Clarify Facts |
Develop a shared understanding of the case |
“Can you please share a short summary of the case?” “What was the working diagnosis? Does everyone agree?”
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4. Analysis |
Explore a variety of performance domains:
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See bottom of guide for details on the analysis phase |
For each item to be debriefed: 1. Preview Statement: (to introduce topic)
2. Pick Analysis method + Analyze: (see below for more info on each method)
3. Mini Summary: (to summarize discussion of topic)
Phase Wrap-up: "Any outstanding issues or concerns before we start to close?" |
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5. Application or Summary |
Identify take-aways |
Can be learner- or instructor-centered |
Learner-centered: “What are some takeaways from this discussion for our clinical practice?”
Instructor-centered: “The key learning points for the case were [insert learning points]”
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Analysis Phase Details |
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Choose an analysis approach (Different approaches can be used for different topics within the same analysis stage): |
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Approach |
Objective |
Sample Phrases |
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Learner Self-Assessment
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Promote reflection by asking learners to assess their own performance |
“What aspects were managed well and why?”
“What aspects do you want to change and why?”
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Focused Facilitation
|
Probe deeper on key aspects of performance, uncover mental frames guiding performance |
Use Advocacy-Inquiry Method Advocacy: "I saw [observation], I think [your point-of-view]” "I noticed [observation] I liked that/I was concerned..." Inquiry: “How do you see it? What were your thoughts at the time?” |
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Provide Information
|
Teach to close clear knowledge gaps as they emerge and provide directive feedback as needed |
“I noticed[behaviour]. Next time you may want to consider [suggested behaviour], because [rationale]” |
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PDF from debrief2learn.org: Here
Visual Guide: debrief2learn.org
Alternative Script: Here
Originally Created by: Bajaj K, Meguerdichian M, Thoma B, Huang S, Eppich W, Cheng A. The PEARLS Healthcare Debriefing Tool. Acad Med. 2018, 93(2), 336.
(To learn more about this debriefing framework, visit our page on Debriefing resources)
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
|
Phase |
Goal |
Actions |
Possible Scripts |
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Gather (Listen)
25% |
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How do you feel? |
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How do you think it went? Can you tell me what happened? |
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Can anyone add anything to that account? |
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Analyze (Guide Reflection)
50% |
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I noticed… |
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I noticed…. What was the thought process behind…. When….happened, I saw….What do you think….. I saw…I think….How do you see it? |
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Tell me more about… How did you feel about…. I understand, but tell me about X aspect of the scenario |
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Summarize (Help gather Conclusions)
25%
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What are two things that you thought were effective or went well? |
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What do you think are some areas you/your team need to work on? |
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In today’s session, we…. Going forward, we should…. |
References/Adapted From:
(To learn more about this debriefing framework, visit our page on Debriefing resources)
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
Instructions:
|
Actions |
Gather |
Analyze |
Summarize |
|
Closed-loop communication
Clear Messages
Clear Roles
Knowing one’s limitations
Knowledge Sharing
Constructive Intervention
Reevaluation and Summarizing
Mutual Respect
|
Student Observations
Instructor Observations
|
Done Well
Needs Improvement
|
Student-led Summary
Instructor-led Summary
|
References/Adapted from:
(To learn more about this debriefing framework, visit our page on Debriefing resources)
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
|
|
Set learning objectives |
|
After Case |
How did it go? Address Concerns Review learning points Plan ahead |
Framework from:
(To learn more about this debriefing framework, visit our page on Debriefing resources)
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
|
Diamond Debrief: Sample Phrases |
|
Description |
|
“So what happened?...and then what happened next?”
Continue asking until confident that the details of the scenario have been raised by the learners
“Let’s not judge our performance now, let’s just focus on what happened” |
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Transition |
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“This scenario was designed to show…”
“Let’s address technical and clinical questions. What is the protocol for…?”
“How do we normally deal with this clinical situation?”
“Everyone ok with that?” |
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Analysis |
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“How did that make you feel?” To participants, then group “Why?” Then use silence
“How did you/they do that exactly?” “Why did you respond in that way? “ or “Why did you take that action?”
“It feels like…was an issue. Did it feel like that to you?” What I’m hearing from you is…is that correct?”
“This is part of…” (identify the non-technical skill/human factor) “We refer to that as a human factor or non-technical skill, which means…” |
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Transition |
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“So, what we’ve talked about in this scenario is…” “What have we agreed we could do?” |
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Application |
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“What other kinds of situations might you face that might be similar? How are they similar?”
“How might these skills we discussed play out in those situations?”
“What are you going to do differently in your practice going forward?” |
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Underlying Principles |
|
Description |
|
Reinforce a safe learning environment. Situate the debrief in the shared and meaningful activity that occurred. Keep the focus dispassionate—discuss what happened but avoid focus on emotions. Listen for emotional responses but resist the temptation to discuss emotions. Make sure everyone shares the same understanding of what happened.
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Transition |
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Transition into analysis by clarifying any technical and clinical issues |
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Analysis |
|
Spend most of your time in Analysis. Deconstruct behaviours into specific actions, and explore what happened in detail. Ask about affective responses and validate them. Analyze and interpret the activity by applying appropriate frameworks or lenses (such as non-technical skills, or the clinical context surrounding the scenario). Keep discussion positive, and avoid the temptation to focus on “strengths and weaknesses”. Reflect responses back, allowing participants to amend or augment. |
|
Transition |
|
Transition into Application by reinforcing learning. |
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Application |
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Focus on moving from the specifics of the scenario to the more general world of practice. Break behaviours down into specific actions. Explore the other kinds of situations that these might apply to. Ask what participants will do differently in their practice. |
Adapted From: Jaye P, Thomas L, Reedy G (2015). 'The Diamond': a structure for simulation debrief. The Clinical Teacher 12(1). 171-175. onlinelibrary.wiley.com/doi/full/10.1111/tct.12300
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
Pluses:
Deltas:
|
Plus (+) |
Delta (∆) |
References:
((To learn more about this debriefing framework, visit our page on Debriefing resources)
If you need help with debriefing Crisis Resource Management skills, check out this infographic from Isaak & Stiegler: View Infographic
|
Phase |
Purpose |
Process |
Sample Phrases |
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Reactions |
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How are you feeling? What are some initial reactions to what just happened? So, in that scenario… |
|
Analysis |
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1. Observe an event or result. Comment on the observation.
2. Advocate for your position |
I saw that… I think… I noticed that…To me…
I saw…I’m concerned that… |
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3. Investigate basis for learner’s thinking that led to the observed event or result |
What do you think? Why do you think that happened? How do you see it? What was the thought process behind….? |
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4. Close the gap through discussion and didactics |
I hear…. What would it take for you to do this next time? How could we do this differently next time? I think a few good ideas that came up were… I’d like to say a little bit about…from my experience/literature |
||
|
Summary |
|
|
What are some takeaways from today? What went well today? What would you do differently next time?
In today’s session, we…. Going forward, we should… |
Adapted from:
1. Common effects of beta blocker toxicity are hypotension, bradycardia, AV block, cardiovascular collapse. These can take a long time to manifest. Be very concerned about deterioration over the course of hours.
2. In the case of beta blocker overdoses, evidence on the effectiveness of pacing for bradycardia is unclear.
3. In a beta blocker overdose, you can anticipate hypokalemia and/or hypoglycemia. After starting high dose insulin and dextrose, repeat K+ and Glucose q30mins. Hyperglycemia may occur transiently.
4. The following decontamination strategies could be considered for this patient:
