English:Emergency Nursing
Emergency Nursing
Introduction
Emergency Nursing is the nursing specialty concerned with rapid assessment, prioritization, stabilization, ongoing monitoring, communication, and compassionate care for people with acute illness or injury. Emergency nurses work with undifferentiated patients: the diagnosis may be uncertain, information may be incomplete, and a patient's condition can change within minutes. Your task is therefore not only to perform procedures, but also to recognize risk, organize care, communicate clearly, and repeatedly evaluate whether the patient is improving or deteriorating.
Emergency care is delivered in emergency departments, trauma centers, urgent and acute-care units, ambulances, disaster settings, and other locations where time-sensitive illness or injury is managed. The World Health Organization's Basic Emergency Care approach emphasizes systematic assessment, early recognition of life-threatening problems, immediate action within the clinician's scope, and reassessment.
Learning Outcomes
After working through this aiMOOC, you should be able to explain the role of the emergency nurse, apply a structured primary assessment, distinguish routine triage from resuscitation priorities, recognize important patterns of deterioration, describe safe nursing responses to common emergency presentations, communicate using structured tools, and evaluate care through reassessment and reflection.
You should also be able to connect emergency nursing with patient safety, clinical reasoning, trauma care, resuscitation, sepsis care, emergency medicine, and interprofessional teamwork.
Learning Safety and Professional Scope
This course supports university learning and simulation. It does not replace supervised clinical education, local policies, certified life-support training, medication protocols, or professional judgment. In real care, follow your institution's procedures, current national or international guidelines, and the legal scope of nursing practice in your jurisdiction. When a patient is unstable, call for senior and multidisciplinary help early.
The Emergency Nursing Role
Emergency nursing combines speed with disciplined assessment. You may need to receive a prehospital handover, identify an immediate threat, begin monitoring, prepare equipment, obtain vascular access, administer prescribed or protocol-based treatment, support relatives, document events, and coordinate with several professions at the same time. Safe performance depends on prioritization rather than simply doing tasks quickly.
Common emergency nursing responsibilities include rapid assessment, triage, repeated vital-sign measurement, pain assessment, medication safety, specimen collection, wound and device care, resuscitation support, infection prevention, safeguarding, discharge teaching, and transfer or admission handover. Advanced roles vary by country and institution.
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A Structured First Look
Before touching the patient, consider scene and staff safety, infection risks, the need for personal protective equipment, and whether extra help is required. Observe the patient's general appearance, work of breathing, color, ability to speak, posture, behavior, and responsiveness. A patient who looks critically ill should not wait for a complete history before immediate assessment and treatment begin.
Your first assessment should answer three questions: Is there an immediate threat to life? What must be done now? What information and resources are needed next?
Triage and Prioritization
Triage sorts patients according to clinical urgency and resource need rather than order of arrival. Many emergency systems use five acuity levels, but the names and criteria differ between countries and organizations. For example, the Emergency Severity Index and the Canadian Triage and Acuity Scale are both five-level systems. You must use the validated system adopted by your service.
A triage decision is provisional. A patient waiting for care can deteriorate, so reassessment is essential. New chest pain, falling blood pressure, increasing respiratory effort, altered consciousness, new neurological deficit, severe bleeding, or rapidly worsening pain should trigger prompt escalation according to local policy.
Routine emergency-department triage is different from mass-casualty triage. In a mass-casualty incident, limited resources and incident-management goals change how priorities are assigned. Never transfer a routine ED triage rule directly into disaster practice without the appropriate disaster protocol.
Triage Reasoning
Useful triage questions include: What is the chief concern? When did it begin? What has changed? Are there red flags? What are the vital signs? Is the patient vulnerable because of age, pregnancy, disability, communication barriers, intoxication, immunosuppression, or social circumstances? What treatment has already been given?
A strong triage nurse combines objective findings with pattern recognition but avoids relying on intuition alone. Vital signs, mental status, pain, mechanism of injury, comorbidity, and observed deterioration all contribute to risk.
The ABCDE Primary Assessment
The ABCDE approach provides a systematic method for assessing and treating a critically ill or injured patient. Work through Airway, Breathing, Circulation, Disability, and Exposure. Treat life-threatening problems as you find them, ask for help early, use the team in parallel, and reassess after every important intervention.
Airway
Assess whether the airway is open and protected. Listen for abnormal sounds, observe whether the patient can speak, and consider risks such as reduced consciousness, facial injury, swelling, secretions, vomit, or foreign material. Use appropriate basic airway maneuvers and suction within your competence, prepare airway equipment, and escalate immediately if patency or protection is threatened.
Breathing
Assess respiratory rate, effort, chest movement, oxygen saturation, skin color, breath sounds when appropriate, and the patient's ability to speak. Severe respiratory distress can exist even before oxygen saturation falls. Give oxygen or ventilatory support according to the clinical situation and local protocol, and evaluate the response.
Pulse oximetry is useful but not sufficient by itself. Read the number in context: poor perfusion, motion, nail products, device limitations, and dyshemoglobinemias can affect interpretation. Trends and the patient's clinical condition matter.
Circulation
Assess pulse, blood pressure, capillary refill where appropriate, skin temperature, bleeding, mental status, and other signs of perfusion. Identify external hemorrhage and control it promptly. Prepare monitoring, vascular access, blood sampling, fluid or blood-product support, and other treatments according to the cause of shock and local protocol.
Shock is a state of inadequate tissue perfusion and may be hypovolemic, distributive, cardiogenic, or obstructive. A normal single blood-pressure reading does not exclude early shock. Look for trends and for signs such as tachycardia, altered mental status, cool or mottled skin, weak pulses, reduced urine output, or rising respiratory effort.
Disability
Assess neurological function rapidly. Level of consciousness, pupil findings, movement, speech, seizure activity, and bedside glucose can identify immediately reversible or time-critical problems. A sudden change in mental status is an emergency finding, not simply a behavioral problem.
Useful structured tools may include the Glasgow Coma Scale and simple responsiveness scales, but the most important observation is change over time.
Exposure and Environment
Expose enough of the patient to identify hidden injury, rash, bleeding, burns, medical devices, or other clues while protecting dignity and preventing hypothermia. Environmental control matters: trauma patients, older adults, infants, and people with shock can lose heat rapidly.
Reassessment
ABCDE is a cycle, not a one-time checklist. Return to the beginning after an intervention, after transfer, when new information appears, or whenever the patient changes. Reassessment allows you to judge whether treatment is working and whether a new threat has developed.
Monitoring and Diagnostic Support
Emergency nursing surveillance combines measurements with bedside observation. Common tools include non-invasive blood pressure monitoring, pulse oximetry, cardiac monitoring, electrocardiography, temperature measurement, glucose testing, capnography in selected patients, and laboratory or imaging support.
A monitor can alert you to risk, but it cannot replace clinical assessment. Check whether the displayed rhythm fits the patient's pulse and condition, investigate implausible readings, and respond to the patient rather than the alarm alone. Artifact, disconnected leads, poor sensor contact, and movement are common causes of misleading data.
Documentation as a Clinical Tool
Emergency documentation should make the timeline of care understandable. Record important assessments, changes in condition, interventions, medication administration, communication, escalation, patient response, and disposition according to local standards. In time-critical care, accurate timestamps can be especially important.
Documentation also supports continuity, audit, quality improvement, safeguarding, and legal accountability. Avoid copying forward information that you have not verified.
High-Risk Presentations
Emergency nurses encounter a broad range of undifferentiated problems. The aim of early nursing care is not to make every diagnosis independently, but to identify danger, initiate appropriate immediate actions, support diagnostics and treatment, and detect change.
| Presentation | Important nursing priorities | Examples of red flags |
|---|---|---|
| Chest pain | ABCDE assessment, ECG and monitoring pathways, medication and investigation support, repeated pain and vital-sign assessment | Hemodynamic instability, ongoing severe pain, syncope, malignant arrhythmia, signs of shock |
| Acute breathing difficulty | Airway and breathing assessment, oxygenation and ventilation support as indicated, monitoring, escalation | Exhaustion, silent chest, cyanosis, altered consciousness, rapidly worsening effort |
| Suspected stroke | Time of onset or last known well, neurological assessment, glucose check, rapid pathway activation, aspiration precautions as indicated | New focal deficit, reduced consciousness, rapidly evolving symptoms |
| Sepsis or severe infection | Early recognition, ABCDE assessment, cultures and investigations as ordered, timely treatment support, perfusion monitoring, reassessment | Hypotension, altered mental status, respiratory distress, poor perfusion, rapidly worsening condition |
| Major trauma | Hemorrhage control, ABCDE assessment, spinal-motion precautions when indicated, warming, monitoring, trauma-team coordination | Airway threat, respiratory compromise, major bleeding, shock, neurological deterioration |
| Acute behavioral or mental-health crisis | Immediate safety, medical causes of altered behavior, de-escalation, suicide and violence risk assessment, dignified care | Severe agitation with medical instability, self-harm risk, intoxication with reduced consciousness, acute confusion |
Severe Bleeding and Trauma
In trauma, uncontrolled hemorrhage can become fatal quickly. Apply appropriate direct pressure, wound packing, or tourniquet techniques according to injury type, training, and protocol. In a hospital setting, these measures are integrated with trauma-team activation, resuscitation, diagnostics, warming, blood-product systems, and definitive hemorrhage control.
Sepsis and Shock
Sepsis is life-threatening organ dysfunction caused by a dysregulated response to infection. The emergency nurse contributes to early recognition, escalation, specimen collection, antimicrobial and fluid pathways as prescribed or protocolized, perfusion monitoring, and repeated evaluation of response.
Do not reduce sepsis assessment to one score or one vital sign. Clinical context, trends, organ dysfunction, perfusion, respiratory status, mental state, and local sepsis pathways all matter. In shock, treatment must match the likely mechanism and the patient's response.
Chest Pain and Cardiac Emergencies
Chest pain can arise from cardiac, vascular, respiratory, gastrointestinal, musculoskeletal, and other causes. Some dangerous causes may present atypically. Early nursing priorities include ABCDE assessment, timely electrocardiography where indicated, continuous monitoring for unstable patients, vascular access and sampling as required, symptom assessment, and prompt escalation.
Cardiac arrest requires immediate recognition, high-quality cardiopulmonary resuscitation, rapid defibrillation when indicated, and coordinated team action according to current resuscitation guidelines.
The American Heart Association video above demonstrates the core public principle of Hands-Only CPR. Professional emergency nurses require accredited basic and advanced life-support education appropriate to their role and local standards.
Neurological Emergencies
Acute stroke, seizure, intracranial hemorrhage, meningitis, toxic-metabolic disturbance, hypoglycemia, and other conditions can present with altered consciousness or focal neurological signs. Establish the time course, check glucose promptly, protect airway and breathing, observe for seizure activity, document neurological changes, and activate appropriate time-critical pathways.
Never assume confusion is caused by age, intoxication, or psychiatric illness until dangerous medical causes have been considered.
Respiratory Emergencies
Asthma, chronic obstructive pulmonary disease exacerbation, pneumonia, pulmonary edema, pulmonary embolism, anaphylaxis, pneumothorax, and airway obstruction can all produce respiratory distress. Your assessment should integrate respiratory rate, work of breathing, oxygen saturation, auscultation when appropriate, circulation, mental state, and response to therapy.
A falling respiratory rate in an exhausted patient can signal deterioration rather than improvement. Escalate when effort, gas exchange, consciousness, or perfusion worsens.
Medication and Procedure Safety
Emergency departments are high-risk medication environments because decisions are time-sensitive, interruptions are common, and patient information may be incomplete. Verify identity, allergies, indication, drug, dose, route, timing, and relevant monitoring according to your local medication-safety standards. Clarify unclear prescriptions and use independent double checks where required.
High-alert medications, weight-based pediatric dosing, infusions, anticoagulants, sedatives, insulin, and vasoactive drugs require particular care. Use approved references and smart systems where available rather than relying on memory alone.
Procedures such as vascular access, urinary catheterization, wound care, splinting, specimen collection, airway support, and monitoring should be performed with aseptic technique, infection-prevention measures, consent where possible, and clear documentation.
Communication and Teamwork
Emergency care is interprofessional. Errors can occur when information is delayed, incomplete, ambiguous, or not acknowledged. Use concise structured communication, state urgency explicitly, and confirm critical information.
SBAR organizes a message into Situation, Background, Assessment, and Recommendation. Closed-loop communication adds confirmation: one team member gives a clear message, the receiver repeats or acknowledges it, and the sender confirms that the message was understood correctly.
Handover
A safe handover should communicate the patient's identity, reason for care, relevant history, key findings, current acuity, treatment already given, response, pending tasks or results, risks, and what the receiving team needs to do next. Handover is not only a transfer of information; it is a transfer of responsibility.
At the bedside, involve the patient when appropriate while protecting confidentiality and avoiding distressing discussion that should occur privately.
Escalation and Speaking Up
If you are concerned that a patient is deteriorating, communicate early and clearly. State the concern, provide supporting observations, recommend or request the next action, and repeat the escalation through the appropriate chain if the response is inadequate. Patient safety takes priority over hierarchy.
Team briefings before high-risk events and debriefings afterward can improve shared understanding, learning, and psychological safety.
Person-Centered and Ethical Emergency Care
Urgency does not remove the need for dignity, consent, privacy, cultural respect, and communication. Explain what you are doing whenever possible. Use qualified interpreters when language barriers affect informed decision-making. Adjust communication for hearing, vision, cognitive, developmental, or literacy needs.
Emergency nurses may encounter safeguarding concerns, sexual assault, domestic violence, neglect, human trafficking, intoxication, homelessness, and acute mental-health crises. Follow local legal duties and specialist pathways while avoiding judgmental language.
Pain and anxiety deserve assessment and treatment even when the patient is stable. At the same time, medication decisions must consider respiratory status, hemodynamics, allergies, interactions, intoxication, and other risks.
Family and Carer Involvement
Relatives and carers can provide essential history, baseline information, medication lists, and support. They may also be frightened or distressed. Give clear updates within privacy rules, identify a spokesperson when useful, and explain delays or changes in plan without making promises that cannot be kept.
Special Populations
Children, pregnant patients, older adults, people with disabilities, and patients with complex chronic disease may deteriorate differently or require adapted assessment. Pediatric vital-sign ranges are age-dependent, and many medication doses are weight-based. Pregnancy changes physiology and can affect positioning, differential diagnosis, imaging decisions, and resuscitation priorities. Older adults may have atypical presentations and higher risk from polypharmacy, falls, delirium, and functional decline.
Equity is a clinical safety issue. Bias can affect pain treatment, triage, communication, and diagnostic pathways. Use standardized assessment, objective data, reflective practice, and patient-centered communication to reduce avoidable disparities.
Infection Prevention and Occupational Safety
Emergency nurses often assess patients before an infectious diagnosis is known. Apply standard precautions consistently and add transmission-based precautions when indicated. Hand hygiene, appropriate personal protective equipment, sharps safety, respiratory hygiene, environmental cleaning, and prompt exposure management protect patients and staff.
Occupational safety also includes safe patient handling, prevention and management of workplace violence, fatigue awareness, and access to support after traumatic events.
Human Factors, Flow, and Quality Improvement
Emergency care takes place in a complex system. Crowding, boarding, noise, interruptions, handover gaps, alarm fatigue, equipment availability, and workload can all influence safety. Good clinicians therefore need both individual skill and systems thinking.
Quality improvement may examine door-to-assessment time, pain reassessment, sepsis pathway compliance, medication errors, return visits, falls, patient experience, handover quality, and other locally relevant measures. Data should be used to understand processes and improve care rather than simply to blame individuals.
A useful reflective question is: What conditions made the safe action easy or difficult? This shifts attention from individual memory toward team design, workflow, communication, and resilience.
Interactive Tasks
Quiz: Test Your Knowledge
What is the main purpose of emergency triage? (Prioritize patients according to clinical urgency) (!Treat patients strictly in order of arrival) (!Establish a final diagnosis before care begins) (!Replace repeated nursing assessment)
Which action best reflects the ABCDE approach? (Treat a life-threatening problem when it is identified) (!Complete the full history before any intervention) (!Wait for all diagnostic results before escalation) (!Assess only the body system named in the chief complaint)
Why is reassessment essential in emergency nursing? (The patient's condition and response to treatment can change rapidly) (!It eliminates the need for documentation) (!It guarantees that no diagnostic test is needed) (!It allows triage categories to remain permanently fixed)
Which finding should increase concern for deterioration? (New altered level of consciousness) (!A stable trend in vital signs) (!Clear improvement after treatment) (!A consistent baseline mental state)
What does the S in SBAR stand for? (Situation) (!Stability) (!Safety) (!Summary)
What is the safest interpretation of a monitor reading? (Interpret it together with the patient's clinical condition) (!Assume every alarm represents true deterioration) (!Ignore the patient if the number looks normal) (!Treat the displayed value without checking the sensor)
Which statement about shock is most accurate? (A single normal blood pressure does not exclude early shock) (!Shock always causes immediate severe hypotension) (!Shock can be diagnosed from heart rate alone) (!Shock is always caused by blood loss)
What is a key principle of closed-loop communication? (The receiver confirms the message and the sender verifies understanding) (!Only the team leader is allowed to speak) (!Messages should be implied rather than stated) (!Critical instructions should never be repeated)
Which action supports medication safety in emergency care? (Clarify an unclear prescription before administration) (!Rely on memory for all high-alert drug doses) (!Skip identity checks when the department is busy) (!Assume allergies are unchanged without verification)
Which statement best describes person-centered emergency care? (Urgency should be combined with dignity, communication, and appropriate consent) (!Privacy is unnecessary during time-critical care) (!Family members should always receive all clinical information) (!Communication is less important than technical procedures)
Memory Game
| ABCDE | Structured primary assessment of airway, breathing, circulation, disability, and exposure |
| Triage | Prioritization of patients according to urgency and local criteria |
| Reassessment | Repeated evaluation after change or intervention |
| SBAR | Structured communication using situation, background, assessment, and recommendation |
| Closed-loop communication | Message exchange in which receipt and understanding are explicitly confirmed |
| Perfusion | Delivery of blood flow sufficient to support tissue function |
Drag and Drop
| Match the correct terms. | Topic |
|---|---|
| Airway assessment | Check whether air can move freely and whether the patient can protect the airway |
| Breathing assessment | Evaluate respiratory rate, effort, oxygenation, and ventilation clues |
| Circulation assessment | Evaluate pulse, blood pressure, bleeding, and signs of tissue perfusion |
| Disability assessment | Rapidly evaluate consciousness and neurological function |
| Exposure assessment | Look for hidden injury while preserving dignity and temperature |
...
Crossword Puzzle
| Triage | What process prioritizes emergency patients by urgency? |
| Perfusion | What term describes blood flow reaching body tissues? |
| Airway | What must be checked first in the ABCDE sequence? |
| Handoff | What is the transfer of information and responsibility to another care team? |
| Sepsis | What syndrome involves life-threatening organ dysfunction caused by a dysregulated response to infection? |
| Defibrillation | What treatment delivers an electrical shock for certain cardiac arrest rhythms? |
LearningApps
Cloze Text
Open-Ended Tasks
Easy
- Triage observation: Observe a simulated waiting-room scenario and write a short explanation of which patient you would reassess first and why.
- ABCDE concept map: Create a one-page concept map that connects each ABCDE step with key observations, immediate threats, and examples of nursing actions.
- Emergency equipment photo guide: Produce an annotated image or poster showing five common emergency-care devices and explain what information or support each provides.
- SBAR practice: Write and record a one-minute SBAR handover for a stable patient whose condition has begun to worsen.
Standard
- Deterioration simulation: In a small group, run a short simulation in which a patient's respiratory status worsens, then identify the cues that should trigger escalation.
- Medication safety audit: Design a checklist for a simulated emergency medication round and test it against three deliberately created error scenarios.
- Patient communication interview: Interview a nurse, paramedic, or simulation educator about communicating with distressed patients and compare the interview with principles from this course.
- Emergency department pathway: Create a flow diagram that follows one fictional patient from arrival through triage, assessment, diagnostics, treatment, reassessment, and disposition.
Advanced
- Trauma team video analysis: Produce a short teaching video or narrated presentation that analyzes team roles, hemorrhage control, communication, and reassessment in a trauma simulation.
- Sepsis case analysis: Build a detailed case study in which infection progresses to organ dysfunction, then justify each nursing escalation using trends rather than a single score.
- Human factors investigation: Analyze a fictional near miss involving interruptions, workload, and handover failure, then propose system-level changes that would make the safe action easier.
- Emergency nursing quality project: Design a small quality-improvement project around a measurable emergency-care problem, including a baseline measure, intervention, balancing measure, and plan for evaluation.
Learning Assessment
- Priority reasoning assessment: Given four simultaneous emergency presentations, rank the nursing priorities and justify your sequence using acuity, time sensitivity, and available resources.
- ABCDE transfer assessment: Apply the ABCDE framework to a new scenario that combines respiratory distress, hypotension, and altered consciousness, and explain how findings change your next action.
- Communication safety assessment: Convert an unstructured handover into SBAR, identify missing risk information, and explain how closed-loop communication could prevent error.
- Monitoring interpretation assessment: Review a set of changing vital signs and monitor data, distinguish likely deterioration from possible artifact, and identify what you would verify at the bedside.
- Ethics and equity assessment: Analyze an emergency-care case involving language barriers, pain, and safeguarding concerns, and propose actions that protect safety, dignity, and informed participation.
- Quality improvement assessment: Evaluate a fictional emergency department process problem and propose one system change, one outcome measure, and one balancing measure.
Evidence of Learning
Knowledge: You can explain triage, ABCDE assessment, shock, reassessment, monitoring, common high-risk presentations, medication safety, structured communication, and person-centered emergency care.
Clinical reasoning skills: You can recognize red flags, prioritize competing needs, identify deterioration from trends, connect findings across body systems, and justify escalation.
Practical and communication skills: In simulation or supervised practice, you can organize an ABCDE assessment, use emergency monitoring safely, contribute to resuscitation tasks within your competence, and deliver a concise handover.
Products: Your evidence may include concept maps, simulation recordings, structured handovers, case analyses, safety checklists, patient-education materials, or a quality-improvement proposal.
Transfer achievement: You can apply the same principles to unfamiliar emergencies, different care settings, and patients with varied communication, cultural, developmental, and clinical needs.
OERs on the Topic
You can deepen your learning with these openly accessible professional resources:
- WHO Basic Emergency Care: A systematic emergency-care learning program developed by WHO, ICRC, and IFEM.
- Resuscitation Council UK ABCDE Approach: Principles for assessing and treating critically ill patients using ABCDE.
- American College of Surgeons Stop the Bleed videos: Educational resources on recognition and control of life-threatening bleeding.
- AHRQ TeamSTEPPS tools: Communication and teamwork resources including SBAR and closed-loop communication.
Linked Learning Areas