Episode #364

The Science of Chaos: How Triage Saves Lives

Discover the hidden logic of the ER and how the history of medical sorting can help you master decision-making under pressure.

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In a recent episode of My Weird Prompts, hosts Herman and Corn stepped away from their usual tech-centric discussions to explore a more visceral topic: the architecture of decision-making under fire. The conversation was sparked by a personal anecdote involving their housemate, Daniel, whose recent struggle with asthma led him to the local urgent care centers in Jerusalem. What Daniel observed—and what Herman and Corn dissected—was the eerie, professional calm of the frontline staff. This episode serves as a deep dive into the history, psychology, and future of medical triage, offering insights that extend far beyond the walls of an emergency room.

The Napoleonic Origins of Triage

Herman began the discussion by grounding the concept of triage in its historical roots. The word itself is derived from the French verb trier, meaning to sort or cull. While the practice of sorting the wounded is as old as warfare, the modern system was pioneered by Baron Dominique-Jean Larrey, the chief surgeon of Napoleon Bonaparte’s Grande Armée.

Before Larrey’s intervention, soldiers wounded on the battlefield were often left for days until the fighting ceased. Larrey revolutionized military medicine with the "ambulance volante" (flying ambulance)—light, horse-drawn carriages designed to retrieve the wounded mid-battle. More importantly, he introduced a radical, egalitarian sorting protocol: soldiers were treated based on the severity of their injuries, regardless of their military rank. This shift from social hierarchy to clinical necessity remains the "DNA" of every modern emergency department.

The Five Levels of Urgency

The conversation then shifted to how this Napoleonic philosophy has evolved into the systematic frameworks used today. Herman highlighted the Emergency Severity Index (ESI), a five-level system currently in its fifth edition as of 2026. This index is the standard for 94% of hospitals in the United States and serves as the primary tool for categorizing patient urgency.

The ESI levels provide a roadmap for the "chaos" of a waiting room:

  • Level 1: Immediate life-saving intervention (e.g., cardiac arrest).
  • Level 2: High acuity; patients who are currently stable but at high risk of rapid deterioration (e.g., stroke or heart attack symptoms).
  • Level 3: Stable patients requiring multiple resources, such as labs and imaging.
  • Level 4: Patients requiring a single resource, like a simple stitch.
  • Level 5: Non-urgent cases, such as prescription refills.

Herman noted that the "danger zone" often exists between levels two and three. If a nurse misses a subtle clinical sign, a high-risk patient might be "undertriaged" and left to wait for hours, leading to potentially fatal outcomes. This is why the latest ESI updates emphasize the rigorous checking of vital signs even for patients who appear stable.

The Human Element: Gestalt and Thin-Slicing

One of the most compelling segments of the episode focused on the "human-to-human calibration" that occurs during the first sixty seconds of a medical encounter. Herman explained that veteran triage nurses—often holding advanced certifications like the Certified Emergency Nurse (CEN)—rely on "gestalt perception." This is the psychological concept that the "whole is greater than the sum of its parts."

Through a process called "thin-slicing," an experienced nurse processes thousands of data points unconsciously. They aren't just looking at a chart; they are analyzing skin tone, the rhythm of speech, the way a patient braces their body, and even the "sense of impending doom" that patients sometimes report. This clinical intuition is so powerful that it often identifies a crisis before the medical equipment does.

The hosts cited a fascinating 2025 study from the European Emergency Medicine Congress in Barcelona. The study compared the triage accuracy of doctors and nurses against an AI model. While the AI was excellent at identifying Level 1 emergencies, it struggled with the nuances of lower levels, often over-triaging out of caution. The human practitioners significantly outperformed the algorithm, proving that context and empathy remain irreplaceable in medicine.

The Eyes and Ears of the Waiting Room

The discussion also touched on the often-overlooked role of the medical receptionist. While not clinically trained in the same way as a nurse, the receptionist acts as the "eyes and ears" of the waiting room. They perform constant visual sweeps and use techniques like "radical transparency" to manage the psychological stress of the environment. By explaining why a wait is occurring—such as the arrival of a major trauma—they can effectively lower the collective cortisol levels of the room.

Triage as a Life Skill

In the final portion of the episode, Corn and Herman discussed how listeners can apply the "triage mindset" to non-medical environments. They argued that most people treat every daily task as a "Level 1" emergency, leading to burnout and poor decision-making.

By adopting the ESI framework, individuals can pre-load their protocols. If you decide in advance what constitutes a true crisis in your business or personal life, you won't have to rely on a stressed, logic-depleted brain to make that call in the heat of the moment. Herman also introduced the "SBAR" communication tool (Situation, Background, Assessment, Recommendation), a military and medical staple that ensures clear, concise information transfer during high-pressure situations.

Ultimately, the episode serves as a reminder that triage is more than a medical process; it is a philosophy of prioritization. Whether on a battlefield in the 1800s or in a modern office in 2026, the ability to sort through chaos and identify what truly matters is the most essential skill a person can possess.

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Episode #364: The Science of Chaos: How Triage Saves Lives

Corn
Hey everyone, welcome back to My Weird Prompts. I am Corn, and I am sitting here in our living room in Jerusalem with my brother, the man who probably knows more about emergency protocols than is strictly healthy for a civilian.
Herman
Herman Poppleberry, at your service. And you are right, Corn, I do find the mechanics of how we sort through chaos absolutely fascinating. I think it comes from that deep-seated need to find order in the universe, even when that order is literally a matter of life and death. It is about the architecture of decision-making under fire.
Corn
It is a heavy topic today, but it comes from a very personal place. Our housemate Daniel has been dealing with some asthma issues lately, what the doctors call an exacerbation, and he was telling us about his experiences at the local urgent care centers here in the city. He noticed something that I think most of us overlook because we are usually too busy being stressed out, gasping for air, or in pain. He was talking about the true frontline. Not the specialists in the back, but the people you see in those first sixty seconds. The receptionists and the triage nurses.
Herman
It is such a brilliant observation. When you walk into an emergency room or an urgent care center, you are not just entering a building; you are entering a highly calibrated machine that starts the second your foot hits the linoleum. Daniel was pointing out how these professionals, especially the veterans, have this almost eerie calm. You can walk up and say you think you are having a heart attack, and they will look at you with the same steady, unwavering gaze they use for someone with a minor skin rash. It can feel cold, like he said, but there is a profound, scientific reason for that professional distance.
Corn
Right, and Daniel wanted us to dig into what is actually happening behind that stone-faced exterior. What is the training? How do they spot a real emergency in a sea of people who all think their situation is the most urgent thing on the planet? And maybe most interestingly, what can those of us who do not work in medicine learn from their ability to prioritize and recognize patterns under extreme pressure?
Herman
I love this because it touches on the limits of technology too. We talk a lot about artificial intelligence in medicine, like we did back in episode three hundred fifty-three, but the human element in triage is incredibly difficult to replicate. But before we get into the modern tech, we have to look at where this all started. You cannot understand the triage nurse without understanding the battlefield.
Corn
You are talking about the history of the word itself, right? Triage. It sounds French.
Herman
It is French. It comes from the verb trier, which means to sort or to cull. And the man we have to thank for the modern system is Baron Dominique-Jean Larrey. He was the chief surgeon of Napoleon Bonaparte's Grande Armée. Before Larrey, if you were wounded on a Napoleonic battlefield, you were basically left where you fell until the fighting stopped. Sometimes that meant lying in the mud for twenty-four or even forty-eight hours before anyone came for you.
Corn
That sounds like a death sentence for anyone with a serious injury.
Herman
It usually was. But Larrey changed everything. He developed what he called the ambulance volante, or the flying ambulance. These were light, horse-drawn carriages with suspension systems that could gallop onto the active battlefield to collect the wounded. But the real revolution was his rule for sorting. Larrey insisted that soldiers be treated according to the severity of their injuries, not their military rank.
Corn
Wait, so a private with a gut wound would get treated before a general with a broken arm?
Herman
Exactly. It was a radical, egalitarian shift in medicine. He even treated enemy soldiers with the same priority. At the Battle of Waterloo, the Duke of Wellington actually ordered his men to stop firing in Larrey's direction because he saw the surgeon out there treating the fallen. Larrey's philosophy was simple: the most urgent need gets the first resource. That is the DNA of every emergency room you walk into today.
Corn
So, fast forward to twenty-six years into the twenty-first century. How has that Napoleonic sorting evolved? Because it is not just about who is bleeding the most anymore.
Herman
No, it is much more systematic now. In the United States and many other parts of the world, we use something called the Emergency Severity Index, or E-S-I. We are currently on the fifth edition of the E-S-I handbook, which was a major update released a couple of years ago. It is a five-level system that ninety-four percent of hospitals in the U.S. use to categorize patients.
Corn
Walk me through those five levels. If I am Daniel walking in with asthma, where do I land?
Herman
Well, level one is the highest acuity. This is a patient who requires immediate life-saving intervention. They are not breathing, they have no pulse, or they are in active cardiac arrest. You do not wait for a chart; you go straight to the trauma bay. Level two is high acuity. These are patients who are currently stable but have a high risk of deteriorating quickly. We are talking about chest pain that might be a heart attack, or symptoms of a stroke. The fifth edition of the handbook actually added more clarity here to help nurses identify these high-risk cases earlier.
Corn
And what about the lower levels? That is where most of us end up, right?
Herman
Exactly. Level three is the most common and the most difficult to manage. These patients are stable but need multiple resources. Maybe they need blood work, an X-ray, and intravenous fluids. Level four is someone who needs just one resource, like a simple stitch for a cut. And level five is the least urgent, like a prescription refill or a common cold. The magic, and the danger, happens in that transition between level two and level three.
Corn
Why is that the danger zone?
Herman
Because if a nurse misses a subtle sign and puts a level two patient into the level three bucket, that person might sit in the waiting room for four hours while their condition worsens. The fifth edition of the E-S-I specifically emphasizes checking vital signs for those lower-acuity patients to prevent what they call undertriage. They found that a lot of people who looked fine actually had dangerously high heart rates or low oxygen levels that were being missed.
Corn
So, who is the person making these calls? You mentioned it is not a junior position.
Herman
Definitely not. To be the person in the triage chair, you usually need several years of experience in emergency or critical care. Many hospitals require a certification called a Certified Emergency Nurse, or C-E-N. To get that, you have to pass a rigorous exam covering everything from fluid resuscitation for burn victims to the pathophysiology of frostbite. You also see certifications like T-N-C-C for trauma and E-N-P-C for pediatric care. These nurses are experts in what researchers call gestalt perception.
Corn
Gestalt. That is another one of those fancy terms. What does it mean in a medical context?
Herman
It comes from Gestalt psychology, the idea that the whole is greater than the sum of its parts. A veteran triage nurse is not just looking at your blood pressure or your temperature. They are performing what is called thin-slicing. In the first thirty seconds, they are processing thousands of data points unconsciously. They are looking at your skin color, the way you are bracing your body, the rhythm of your speech, and even the smell of your breath.
Corn
It is like that Malcolm Gladwell idea. The expert who can look at a statue and know it is a fake without being able to explain why immediately.
Herman
Precisely. There was a fascinating study presented at the European Emergency Medicine Congress in Barcelona just last year, in late twenty-twenty-five. They compared the triage accuracy of experienced doctors and nurses against an A-I model using real-world case studies. The doctors had an accuracy rate of about seventy-one percent, and the nurses were at sixty-six percent. The A-I? It was only at fifty percent.
Corn
Only fifty percent? That is basically a coin flip. I thought A-I was supposed to be the future of diagnostics.
Herman
It is, but triage is not just about data; it is about context. The A-I was actually very good at identifying the absolute most critical cases, the level ones. But it struggled with the nuance. It tended to over-triage, meaning it thought everyone was an emergency. A human nurse can look at a patient and realize they are downplaying their pain because they are embarrassed, or they can sense that sense of impending doom that often precedes a major medical event. That human-to-human calibration is something an algorithm still cannot grasp in twenty-twenty-six.
Corn
That sense of impending doom sounds like something out of a horror movie, but I have heard doctors talk about it seriously.
Herman
It is a recognized clinical sign. If a patient tells a nurse, I feel like I am going to die, a veteran nurse takes that as seriously as a high fever. Their brain has seen ten thousand patients, and this specific patient is triggering a tiny alarm because their breathing rhythm is just slightly off, or their skin has a specific gray tint that indicates poor perfusion. It is top-down processing. They see the whole picture first, then they look for the details to confirm it.
Corn
Let us talk about the other person Daniel mentioned, the receptionist. They do not have the C-E-N certification or the nursing degree, but they are still part of that filter. What is their role in this pattern recognition?
Herman
They are the eyes and ears of the waiting room. While the nurse is focused on the patient in front of them, the receptionist is performing constant visual sweeps of the room. They are trained in crisis management and de-escalation. They are looking for the person who was sitting upright five minutes ago and is now slumped over. They are looking for the person who is suddenly sweating profusely or whose breathing has become audible from across the desk.
Corn
They also have to deal with the psychological side of the waiting room, which sounds like a nightmare. Everyone is stressed, everyone is in a hurry.
Herman
It is incredibly taxing. They often use a technique called radical transparency. If the wait is four hours, they do not tell you it will be twenty minutes to keep you happy. They tell you it is four hours and they explain why. They might say, we just had three ambulances arrive with major traumas. When people understand the why behind the delay, their cortisol levels actually drop. It is the ambiguity of the wait that causes the most aggression.
Corn
That leads perfectly into the transferable skills. Most of our listeners are not in the E-R. They are in offices, or they are parents, or they are running businesses. How do we take this triage mindset and apply it to a normal, non-medical life?
Herman
The first thing is the E-S-I framework itself. We all have days where we have twenty tasks and they all feel like level one emergencies. But if you are honest, most of them are level fours or fives. The skill is in identifying your personal red flags. In a hospital, a red flag is a heart rate over one hundred forty. In your work life, a red flag might be a specific type of feedback from a key client or a missed deadline on a foundational project. You have to decide in advance what constitutes a level one so that when the stress hits, you are not deciding on the fly.
Corn
Because when you are stressed, your brain's logic center starts to shut down. You want those protocols pre-loaded.
Herman
Exactly. Another huge tool is S-B-A-R. That stands for Situation, Background, Assessment, and Recommendation. It was originally a military communication tool that was adopted by healthcare to prevent errors during handoffs. Think about how much time we waste in meetings or long emails just getting to the point. If you use S-B-A-R, you strip away the fluff.
Corn
Give me an example of how that works in a regular job. Say, a software developer talking to a manager.
Herman
Okay. Situation: The login page is crashing for ten percent of users. Background: We pushed a minor update to the database last night at midnight. Assessment: I think the new encryption protocol is incompatible with older browsers. Recommendation: I need to roll back the update immediately and I need two hours of the senior engineer's time to debug.
Corn
That is so much better than a ten-minute rambling explanation about how tired everyone is and how the code was difficult to write.
Herman
It saves mental energy for everyone involved. And then there is the emotional side, which is where the B-A-T-H-E technique comes in. This is used for quick emotional support without getting bogged down. B-A-T-H-E stands for Background, Affect, Trouble, Handling, and Empathy.
Corn
How does that look in practice? If I am a manager and an employee is melting down?
Herman
You ask: What is going on? That is the Background. How does that make you feel? That is the Affect. What bothers you the most about this? That is the Trouble. How are you handling it? That is the Handling. And then you finish with: That sounds incredibly frustrating, I can see why you are stressed. That is the Empathy. You can do the whole thing in sixty seconds. It validates the person's feelings so they can move back into a logical state, but it prevents the conversation from turning into a two-hour vent session that kills your afternoon.
Corn
It is efficient empathy. It sounds a bit clinical, but it is actually more compassionate because it allows you to help the person and then get back to the work that needs to be done.
Herman
Precisely. And we have to mention the local flavor here in Jerusalem. Daniel mentioned that the staff here can seem particularly stone-faced. There is a cultural element to this called dugri. It is a Hebrew word that means direct or straight-talk. In Israel, social niceties often take a backseat to efficiency, especially in high-stress environments.
Corn
It can be jarring if you are used to the very polished, customer-service-oriented bedside manner in the States. But here, if you are not dying, they are going to tell you that you are not dying, and they are going to move on to the person who is.
Herman
It is a culture of resilience. People here have a very high baseline for what constitutes a crisis. That translates to the medical staff. It takes a lot to rattle a nurse in Jerusalem. They have seen everything. That professional equanimity we talked about? It is reinforced by a society that is very comfortable with pivoting in the face of chaos.
Corn
So, looking at the future, where does this go? We are in twenty-twenty-six. We have smart inhalers, we have wearable tech that tracks our heart rate variability. Does the triage nurse just become a data-entry clerk?
Herman
I think it is the opposite. The role is evolving from data-gatherer to data-synthesizer. Instead of the nurse asking you what your symptoms are, they might already have a week's worth of oxygen data from your watch. Their job will be to look at that data and provide the context. The machine says your heart rate spiked, but the human nurse sees that you are also grieving a loss or that you have a specific type of anxiety. The human provides the judgment, and you cannot automate judgment. Judgment is the application of rules to a messy, unpredictable reality.
Corn
That is a powerful way to put it. They are the gatekeepers of the system. Next time I am in an urgent care, I am going to look at that receptionist and that nurse with a lot more respect. They are performing a high-level cognitive dance while most of us are just trying to remember our insurance numbers.
Herman
And if you are listening to this and you work on that frontline, thank you. You are the reason the system stays upright when the chaos hits.
Corn
Truly. Well, I think we have covered a lot of ground here. We talked about Baron Larrey and the Napoleonic roots of triage, the five levels of the E-S-I, the power of gestalt perception, and those actionable tools like S-B-A-R and B-A-T-H-E.
Herman
It is a lot to chew on. I hope our listeners find ways to apply that triage mindset. Whether it is using a thirty-second reset between tasks or just being more direct in your communication, there is a lot of wisdom in the emergency room.
Corn
Definitely. And hey, if you found this episode helpful, we would really appreciate it if you could leave us a review on your favorite podcast app. It really does help other curious people find the show.
Herman
It makes a huge difference. We love seeing this community grow.
Corn
You can find us on Spotify and at our website, myweirdprompts.com. We have the full archive there, and if you have a question or a topic you want us to dive into, there is a contact form right on the site.
Herman
Or you can be like Daniel and just shout it at us while we are making coffee. That works too.
Corn
It helps if you live with us, but the contact form is a close second. Thanks again to Daniel for this prompt. I hope your asthma settles down soon, man.
Herman
Yeah, breathe easy, Daniel. And thanks to all of you for listening. This has been My Weird Prompts.
Corn
We will see you next week. Stay curious.
Herman
And stay calm. Bye everyone.
Corn
So, Herman, I have to ask. If you were a triage nurse, what would be your biggest challenge?
Herman
Oh, definitely the talkative patients. You know I love a good deep dive. I would probably get stuck in level five with someone explaining the history of their hangnail for forty-five minutes while a level two is waiting in the hall.
Corn
See, that is why they have the checklists. To save you from yourself.
Herman
Exactly. The system is there for a reason. It protects the patients and the practitioners.
Corn
Well, I think I would struggle with the stone-cold face. I am a natural smiler. I would probably look way too happy to be checking in someone with a broken leg.
Herman
You would be the most confusing nurse in the hospital. They would think you were some kind of cheerful villain.
Corn
Alright, on that note, let us wrap this up.
Herman
Deal. See you later.
Corn
Take care, everyone.
Herman
One last thing, Corn. Did you know that in some hospitals, they actually use the smell of vanilla in the waiting room to lower patient heart rates?
Corn
Really? Does it work?
Herman
Some studies say it lowers the heart rate by a few beats per minute. It is a subtle way to manage the room's energy.
Corn
Maybe we should get a vanilla candle for the house. Might help with the next podcast deadline.
Herman
Not a bad idea. I will put it on the grocery list.
Corn
Perfect. Alright, now we are really done.
Herman
Bye!
Corn
Bye!

This episode was generated with AI assistance. Hosts Herman and Corn are AI personalities.

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