A nurse is working in the emergency department when multiple… | 마이메르시 MyMerci
Adult Health
문제

A nurse is working in the emergency department when multiple patients arrive simultaneously following a multi-vehicle accident. Which patient should the nurse prioritize for immediate assessment and treatment?

The emergency department receives four patients from a motor vehicle collision. The nurse must quickly triage and determine treatment priorities.
해설
In emergency triage, patients with suspected internal bleeding and signs of shock require immediate intervention as they can rapidly deteriorate and die without prompt treatment.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the application of triage principles in a mass casualty scenario, specifically the use of a system like Simple Triage and Rapid Treatment (START) or the Emergency Severity Index (ESI). The core principle is to identify and prioritize patients with immediate, life-threatening conditions who have a high chance of survival with prompt intervention. The key is to assess for signs of hypovolemic shock from internal bleeding, which can be rapidly fatal.

Answer Rationale: Key Point! Patient 3 (the 25-year-old) is the highest priority. This patient is exhibiting classic signs of compensated shock progressing to decompensation: restlessness (early sign of hypoxia), pale skin (vasoconstriction), and a rapid, weak pulse (tachycardia with decreased stroke volume). "Suspected internal bleeding" indicates a hidden, ongoing blood loss that can lead to rapid cardiovascular collapse. This patient requires immediate interventions like IV fluid resuscitation, blood transfusion preparation, and possibly surgery.

Distractor Analysis:
Watch out for confusion! Patient 2 (unconscious with head trauma) might seem like the top priority. However, in the context of mass casualty triage, an unconscious patient with a weak pulse and shallow breathing may be tagged as "expectant" or "black tag" if resources are extremely limited, as their chance of survival is lower compared to a salvageable patient in shock. In a non-overwhelming ED, they would be high priority, but the question tests the principle of saving the most lives with limited resources.
Patient 1 (chest pain, dyspnea) has a potential cardiac or pulmonary issue and is a high priority, but is currently conscious and alert, indicating a more stable airway and breathing status than Patient 3.
Patient 4 (open fracture) has a serious injury but is conscious, oriented, and has only moderate bleeding. This patient would be triaged as "delayed" or "yellow tag" as the bleeding is controllable and not immediately life-threatening.

Related Concepts: The ABC (Airway, Breathing, Circulation) with disability and exposure framework is foundational. In triage, circulation (specifically uncontrolled hemorrhage) often becomes the immediate priority after ensuring a patent airway. Remember the "kill the hemorrhage" mantra in modern trauma care. Internal bleeding is a silent killer because blood loss is not visible.
Concept Summary
ConceptDescriptionTriage Tag (Example)
Immediate (Red)Life-threatening, salvageable with prompt care. (e.g., shock, major hemorrhage, airway obstruction).Patient 3
Delayed (Yellow)Serious injuries but stable vital signs. Treatment can be postponed. (e.g., open fractures without shock).Patient 4
Minimal (Green)Minor injuries, ambulatory. "Walking wounded."N/A in this scenario
Expectant (Black)Deceased or expected to die given current resources.Potentially Patient 2 in mass casualty

Side-by-Side Comparison!
Sign/SymptomIndicatesPriority Implication
Restlessness, pale skin, rapid weak pulseCompensatory stage of hypovolemic shock. Body is using catecholamines to maintain perfusion.HIGH (Red Tag). Patient is on the brink of decompensation.
Unconscious, weak pulse, shallow breathingSevere neurological injury and/or profound shock. May indicate increased intracranial pressure (ICP) or terminal stage.Variable. In a single-patient scenario: HIGH. In mass casualty: may be lower if resources are overwhelmed.
Severe chest pain & dyspnea (alert)Potential cardiac tamponade, tension pneumothorax, or myocardial contusion.HIGH (Red Tag), but often secondary to active hemorrhage control.
Open fracture with controlled bleedingLocalized injury. Risk is infection and blood loss, but not immediately life-threatening if bleeding is managed.MODERATE (Yellow Tag).

Anatomy, Physiology & Pharmacology Points • Pathophysiology of Shock: Internal bleeding → ↓ blood volume (hypovolemia) → ↓ venous return → ↓ cardiac output → ↓ tissue perfusion & oxygen delivery. The body compensates via sympathetic nervous system activation (tachycardia, vasoconstriction causing pallor). • Key Monitoring: Blood pressure (BP) is a LATE sign in shock. Tachycardia and altered mental status (restlessness) appear first. • Intervention Goal: Restore circulating volume with isotonic crystalloids (e.g., Lactated Ringer's) and/or blood products.
Memory Tips • Acronym: RPM for START Triage: Respirations, Perfusion, Mental status. If a patient fails any of these, they are Immediate/Red. • Mnemonic for Shock Signs: "Cold & Clammyskin, Thirsty & Tachy, Low urine & Lethargic, Weak pulse & Worried (restless)." • Think: "Bleeding you can't see is more dangerous than bleeding you can see."
High-Frequency NCLEX Topics Triage, prioritization ("who to see first"), and shock management are extremely high-yield on the NCLEX. The exam loves to test your ability to recognize early signs of shock and prioritize interventions based on Maslow's Hierarchy of Needs and ABCs.
Watch Out for Question Variations! • Instead of "who to assess first," it could ask: "Which finding for Patient 3 is most concerning?" (Answer: Rapid weak pulse). • Or: "The nurse prepares which intervention first for the highest-priority patient?" (Answer: Establish two large-bore IV lines for fluid resuscitation). • The scenario could shift from an ED to a medical-surgical unit where a post-op patient develops these signs (priority = suspect internal hemorrhage).

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the triage nurse in a busy ED. Ambulances bring in four patients from a pile-up on the highway. You have one trauma bay immediately available. You must quickly assess each patient at the ambulance bay door.

Nursing Intervention Strategy: 1. Rapid Primary Survey (ABCDE): For each patient, spend < 60 seconds. • Airway: Is it patent? (Listen for sounds, look for obstruction). • Breathing: Rate, depth, symmetry. (Patient 2 has shallow breathing). • Circulation: Pulse (rate, quality), skin color/temp, obvious major hemorrhage. (Patient 3 has rapid weak pulse and pallor – a HUGE red flag). • Disability: AVPU (Alert, Voice, Pain, Unresponsive). (Patient 2 is Unresponsive). • Exposure/Environment: Quickly look for hidden injuries while preventing hypothermia. 2. Triage Decision: Apply the RPM criteria. Patient 3 is breathing, but has impaired perfusion (weak pulse, pallor) and altered mental status (restlessness). This qualifies as Immediate/Red. Assign this patient to the available trauma bay. 3. Immediate Actions for Patient 3: • Call for the trauma team. • Apply high-flow oxygen via non-rebreather mask. • Establish TWO large-bore (14- or 16-gauge) IV lines. • Initiate a bolus of isotonic IV fluid (e.g., 1-2 L Lactated Ringer's). • Obtain stat labs: CBC, type and crossmatch for blood. • Continuously monitor vital signs, especially heart rate and blood pressure.

Patient Safety and Precautions: • Contraindication: Do not delay transport to a definitive care area (OR, IR) for extensive on-site interventions if the patient is deteriorating. • Medication Caution: Avoid over-sedation for pain in a hypotensive patient. Hold analgesics until volume is restored unless pain is severe. • Key Monitoring: Watch for a paradoxical drop in heart rate after fluid resuscitation—it could indicate worsening hemorrhage or cardiac tamponade.
Nursing Procedure & Medication Flow Procedure: Managing a Patient in Hypovolemic Shock 1. Safety & Team: Don PPE. Activate rapid response or trauma team. 2. Position: Supine with legs elevated (Trendelenburg is no longer routinely recommended; simple leg elevation is sufficient). 3. Oxygen: Apply 100% O2 via non-rebreather mask. 4. Access: Insert two large-bore IVs in antecubital veins. If IV access fails, consider intraosseous (IO) access. 5. Fluids: Warm IV fluids if possible. Administer a 1-liter bolus rapidly (over 15-20 minutes) via pressure bag. Reassess. 6. Blood: Administer O-negative or type-specific blood as soon as available if patient remains unstable. 7. Monitor: Continuous ECG, SpO2, and frequent BP checks (every 5 minutes).
A Word from Your Senior Nurse "In the chaos of the ED, your ability to perform a lightning-fast, accurate assessment is what saves lives. Remember, the loudest patient isn't always the sickest. The quiet, pale, restless patient in the corner is the one who might code on you. Triage isn't about being cold-hearted; it's about being smart-hearted—using your clinical judgment to do the greatest good for the greatest number. On the NCLEX and in real life, always think ABCs, then shock. You've got this!"

핵심 개념

  • Triage — The process of sorting patients based on the urgency of their condition to determine the order of treatment, especially in emergency or mass casualty situations.
  • Hypovolemic Shock — A life-threatening condition caused by a significant loss of blood or fluids, leading to inadequate perfusion of organs and tissues.
  • START Triage — Simple Triage and Rapid Treatment; a quick method used in mass casualty incidents to categorize patients using Respirations, Perfusion, and Mental status (RPM).
  • Compensated Shock — The early stage of shock where the body's compensatory mechanisms (e.g., tachycardia, vasoconstriction) are maintaining adequate blood pressure and perfusion to vital organs.
  • Mass Casualty Incident — An event that generates more patients than available local resources can manage using routine procedures, requiring the implementation of triage protocols.

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