Emergency Medicine

What PGY-0 Actually Means in Emergency Medicine

Most residency programs allow interns a grace period—a few weeks of observation, light service, and gradual ramp-up before independent responsibility lands. Emergency medicine does not reliably offer that buffer. On many programs, you will walk into a shift during your first week and be expected to pick up patients, generate a differential, order a workup, and move toward disposition while simultaneously picking up your next patient. The attending is present and supervising, but they are not doing the work for you.

This is not hyperbole designed to frighten you. It is the structural reality of an ED that runs on throughput. Understanding it before July 1 means you spend orientation week calibrating rather than panicking. The return on pre-residency preparation is higher in EM than in almost any other specialty precisely because the learning curve is front-loaded and the environment offers little quiet time for catch-up.

The goal of this page is to make the first thirty days functional rather than merely survivable. Every section below is either something you can act on before residency starts or a framework you can load into working memory so it is available when you need it.

The EM Intern Mindset: Thinking in Dispositions, Not Diagnoses

Inpatient medicine trains you to anchor on a diagnosis and build a narrative around it. Emergency medicine runs on a different operating system. The question is not primarily what does this patient have but what does this patient need right now, and where do they need to be. Disposition—admit, discharge, observation, transfer, procedure—is the organizing logic of every patient encounter.

The second structural difference is parallelism. At any given moment you may have six patients in various stages of evaluation. Your job is to keep all six moving forward simultaneously, not to complete one before starting the next. This requires a mental tracking system—some residents use a physical whiteboard schema, some build it in their head, some rely on the EMR's patient list—but the habit of regularly scanning all of your patients' status and advancing the one that is rate-limiting is a skill you can consciously develop.

Two frameworks help orient early learners:

Neither of these frameworks is complex. What takes time is making them automatic. Start using them on rotations now, even if you are not the one entering orders.

Must-Read Resources Before Orientation Week

The goal here is not comprehensive review. You do not need to read all of Tintinalli before July. You need a functional scaffold—enough background that common presentations feel familiar and the first few weeks are consolidation rather than pure exposure. A short, targeted reading plan is worth more than an ambitious one you will not finish.

Priority reading

What to skip for now

Rosen's Emergency Medicine is excellent and comprehensive. It is also very long. Unless you are a fast reader with abundant free time, Rosen's is better as a residency reference than a pre-internship read. The same applies to subspecialty toxicology texts—Goldfrank's is authoritative but not a July priority for most interns.

Core Procedures to Simulate or Practice Before Day 1

EM interns are expected to begin attempting procedures early in residency. The following list represents the procedures where early reps have the most impact on patient care and where simulation exposure before July meaningfully improves your first attempts. You are not expected to be independently competent by July 1—you are expected to have seen and ideally practiced each of these enough that your first supervised attempt is not also your first time holding the equipment.

The short list

How to get reps before July

Most US medical schools have simulation centers with open lab hours. Ask your simulation director explicitly: "I am starting EM residency in July—can I schedule procedure practice sessions?" Most will accommodate this, often enthusiastically. If your school has a skills lab attached to its EM clerkship, ask the clerkship director for access. Some residency programs also offer pre-orientation simulation days—ask your program coordinator whether this exists at your institution.

Point-of-Care Ultrasound Primer

POCUS is not a subspecialty skill in emergency medicine. It is a core clinical competency expected of all graduating residents, and programs begin teaching it from the first month. Arriving with zero exposure to probe mechanics and image orientation will not disqualify you, but arriving with even a few hours of deliberate practice puts you meaningfully ahead.

Why POCUS matters in EM specifically

The ED ultrasound does not replace radiology—it answers specific, time-sensitive clinical questions at the bedside. Is there a pericardial effusion? Is the IVC collapsible? Is there free fluid in the abdomen? Are there B-lines suggesting pulmonary edema? These questions arise in real time during resuscitations when waiting for formal imaging is not safe. The physician who can answer them with a probe in hand makes better decisions faster.

Applications to know before residency

Free and low-cost resources

Probe mechanics—how to hold the transducer, what the orientation marker means, how to adjust depth and gain—take about thirty minutes to learn and are far easier to absorb before you are simultaneously managing a sick patient. Watch one video tutorial on probe handling before your first sim session.

The Shift Workflow: From Walkthrough to Disposition

Visualizing the structure of an EM shift before you live it reduces cognitive overhead considerably. The following is a generalized mental model; your program will teach its specific variation, but the underlying logic is consistent across most US emergency departments.

Shift start

Arrive early enough to review the patient board before picking up your first chart. Understand which rooms are occupied, which patients are awaiting results, and which have been there longest. Situational awareness about the department's current state is a professional habit, not an optional courtesy.

Picking up a patient

Review the triage note and available vitals before entering the room. Form an initial differential based on the chief complaint and vital sign pattern alone—this takes thirty seconds and primes your history-taking. Enter the room, introduce yourself, and conduct a targeted history and physical. Your history should be efficient: the emergency physician's history is organized around the chief complaint and the dangerous diagnoses you need to exclude, not a comprehensive review of systems.

Generating and communicating a plan

After your initial evaluation, present to your attending. In most EM programs, interns are expected to present a brief assessment and plan—not just a history. "I think this is X, the dangerous alternative is Y, I want to order A, B, and C" is the expected format. You will be wrong regularly; the goal is to build the habit of committing to a clinical reasoning pathway before hearing the attending's opinion.

Managing the workup phase

While results are pending, you are not waiting—you are picking up your next patient. When results return, you reassess: do they support or refute your initial differential? Does the patient's clinical status match the data? This reassessment loop is one of the most important habits in EM. Patients who looked well at triage can deteriorate; results that return abnormal in unexpected directions require a revised plan.

Disposition

Every patient encounter ends with a disposition decision. As an intern you will not make these independently at first, but you should be forming a disposition hypothesis before you discuss with your attending. "I think this patient can be safely discharged with return precautions because X and Y have been excluded" or "I think this patient needs admission because Z" is the reasoning your attendings want to hear you develop. Internalize that the disposition decision is the endpoint you are building toward from the moment you pick up the chart.

Documentation and closing the loop

Notes in the ED need to be completed before or shortly after the patient leaves. The workflow for documentation is covered in a later section. Practically: do not allow a backlog of undocumented patients to accumulate. Three undocumented patients at the end of a shift is a stressor that extends your night and degrades note quality.

Gear Up: What to Buy, What to Skip

EM residency gear needs are genuinely modest. The specialty does not require an extensive personal equipment investment, and the residents who arrive with large gear kits often find half of it unnecessary. The following is an honest assessment.

Worth buying

Skip it

Pharmacology You Will Use Every Single Shift

The following drug categories represent the pharmacology that EM interns encounter in the first weeks of residency. You do not need to know every drug in the formulary before July. You need to know the drugs below well enough that you can discuss mechanism, dosing range, and key adverse effects without looking them up in a resuscitation scenario.

Vasopressors and inotropes

Sedatives and induction agents (RSI)

Neuromuscular blocking agents

Analgesics

Reversal agents

Antibiotics for common EM presentations

Other high-frequency drugs

How to learn these before July

A well-maintained Anki deck specifically for EM pharmacology is the most efficient pre-residency study tool. Search the AnkiWeb shared deck library for "emergency medicine pharmacology" and review by contributor reputation and date. The EM:RAP-affiliated decks and several openly available academic EM program decks are high quality. Spend twenty to thirty minutes daily on this starting six to eight weeks before residency; the cards you review regularly will be in long-term memory when you need them clinically.

Managing Resuscitations as a Junior Learner

Your first code or trauma activation as an intern is cognitively overwhelming regardless of how much you have prepared. The following framework is designed to make you a functional contributor before you are a leader—which is the appropriate goal for your first several months.

Before the patient arrives

When a resuscitation is announced, position yourself at the bedside before the patient arrives. Watch where the experienced residents and attendings stand. In a trauma, the team leader typically stands at the patient's side or foot, not at the head. Airway personnel are at the head. IV access and assessment happen laterally. Find a role—usually IV access, monitoring, or medication preparation—and claim it quietly. Standing back and observing is acceptable for your first activation, but participating, even in a small role, accelerates learning faster.

During the resuscitation

Closed-loop communication—repeating back orders when you receive them and confirming when tasks are completed—is the standard in high-functioning trauma teams. Use it even if others are not. If you are uncertain what to do next, ask your senior resident directly: "What do you need?" is always appropriate. Do not volunteer information or differential diagnoses during an active resuscitation unless directly asked or unless you have identified something time-critical that has been missed. Interrupting the team leader's cognitive flow is a specific harm; the threshold to speak up should be high, and the format should be brief and direct: "Lidocaine was given two minutes ago."

When to speak up about something you have noticed

If you observe something that you believe represents a patient safety issue—a medication error, a missed finding, a deteriorating vital sign that has not been acknowledged—speak up using a direct, non-accusatory format: "The oxygen sat has been dropping for the last ninety seconds—are we concerned about the airway?" This is not overstepping. This is the expected behavior of a safe clinician at any level of training.

After the resuscitation

Seek a brief debrief. Most EM attendings and senior residents are willing to spend five minutes after a resuscitation walking through what happened and what you should have noticed. Ask specifically: "Is there something I should have done differently?" and "What was the key decision point?" These five-minute conversations are some of the highest-yield learning interactions in residency.

Surviving Night Shifts and Shift Work from Day One

EM is the paradigm case of shift-based medicine in US residency. Unlike specialties where call is superimposed on a day schedule, EM interns rotate through day, evening, and overnight shifts—sometimes within the same week. The physiological and cognitive effects of this schedule are real and well-documented; pretending otherwise is how residents make errors and burn out early.

What the evidence supports

A realistic warning

The first month of night shifts as an intern is hard for virtually everyone. This is not a personal deficiency. Your circadian system has been on a predominantly daytime schedule for twenty-five years; it does not reorganize in a week. Give yourself the first month to adapt before drawing conclusions about whether you have "figured out" nights. Most residents find that by month two or three they have developed a personal system that works. The goal for month one is to survive, protect your sleep aggressively, and not make clinical decisions when you are severely sleep-deprived without alerting your supervising physician.

How EM Fellowship Tracks Shape Residency Choices

EM residency is three years (some programs are four). Fellowship is not required for most EM practice settings, but it is common in academic and subspecialty contexts. Understanding the fellowship landscape before you start residency allows you to notice relevant experiences as they arise rather than scrambling to build a CV in year three.

The following is a brief orientation. No decisions need to be made about fellowship in PGY-1; the value of early awareness is that it shapes which electives you request, which mentors you identify, and which scholarly activities you pursue.

Fellowship options and what they involve

Fellowship is not the only path to subspecialty practice in EM. Many attendings develop toxicology, ultrasound, or EMS expertise through self-directed learning and mentorship without formal fellowship. But fellowship provides protected time, credential recognition, and mentored experience that self-directed learning does not replicate. If a track interests you, identify an attending mentor in that area during your first year and ask how they got there.

Documentation Efficiency in the ED

ED documentation has two simultaneous purposes: it communicates your clinical reasoning to consultants, admitting teams, and future providers, and it is a legal and billing record of a time-pressured encounter. Doing both well quickly is a learnable skill that most interns take several months to develop. Starting with the right framework shortens that curve.

The structure of a defensible ED note

Practical efficiency strategies

Your 30-Day Pre-Residency Checklist

The following list is organized by category, not strict chronology, because pre-residency schedules vary widely. Work through these roughly in parallel during the four to six weeks before orientation. Items marked with an asterisk have hard deadlines that depend on your specific program or institution—contact your program coordinator to confirm them.

Administrative and credentialing

Reading and knowledge preparation

Procedural preparation

POCUS

Gear and logistics

Sleep and logistics

Professional and social preparation

Wellness baseline

This checklist is not designed to induce anxiety about everything you have not done. Most items take hours, not weeks. The purpose is to make the transition deliberate rather than reactive—to arrive at orientation having made conscious choices about what you have prepared, rather than discovering gaps on shift one.