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Emergency Procedures & First Aid

NCLEX Review Guide: Emergency Procedures & First Aid

Basic Life Support (BLS)

CPR Guidelines

  • For adult CPR, maintain a compression rate of 100-120 compressions per minute with a depth of 2-2.4 inches (5-6 cm). Ensure complete chest recoil between compressions and minimize interruptions to less than 10 seconds.
  • The compression-to-ventilation ratio for one-rescuer adult CPR is 30:2, while for pediatric patients (except neonates) with advanced airway, provide continuous compressions with ventilations at a rate of 1 breath every 6 seconds (10 breaths/minute).

Key Points

  • Follow the CAB sequence (Compressions, Airway, Breathing) for adults.
  • For pediatric patients, follow ABC sequence (Airway, Breathing, Compressions) if arrest is respiratory in origin.

Clinical Scenario

You witness a 65-year-old male suddenly collapse in the hospital waiting room. The patient is unresponsive with no pulse or respirations. You should immediately begin chest compressions at a rate of 100-120/minute while calling for help and the AED. Minimize interruptions to compressions and ensure proper depth and recoil.

Automated External Defibrillator (AED) Use

  • AEDs analyze cardiac rhythm and deliver shocks for ventricular fibrillation and pulseless ventricular tachycardia. After delivering a shock, immediately resume CPR starting with compressions for 2 minutes before reassessing rhythm.
  • For pediatric patients under 8 years old, use pediatric pads or a pediatric key/mode if available. If unavailable, adult pads can be used ensuring they don't touch or overlap.

Key Points

  • Clear the patient before shock delivery with the verbal command "Clear!" while visually checking that no one is touching the patient.
  • AEDs should not be used if the patient is in water, has a medication patch on the chest, or has an implanted device where pad placement would interfere.

Airway Management

Basic Airway Techniques

  • The head-tilt, chin-lift maneuver opens the airway by extending the head and lifting the chin, which moves the tongue away from the posterior pharynx. This is contraindicated in suspected cervical spine injury.
  • The jaw-thrust maneuver is the preferred technique for patients with suspected cervical spine injuries as it maintains neutral alignment while opening the airway by displacing the mandible forward.

Key Points

  • Always assess for foreign body obstruction before attempting ventilation.
  • Use oropharyngeal airways (OPAs) only in unconscious patients without a gag reflex.

Advanced Airway Management

  1. Assess need for advanced airway (respiratory failure, inability to protect airway)
  2. Prepare equipment (proper size ET tube, laryngoscope, suction)
  3. Pre-oxygenate patient with 100% oxygen
  4. Position patient in sniffing position (if no cervical spine concerns)
  5. Perform laryngoscopy and visualize vocal cords
  6. Insert ET tube through vocal cords to proper depth
  7. Confirm placement with end-tidal CO2 detection and chest rise
  8. Secure tube and document placement

Key Points

  • Always confirm endotracheal tube placement using multiple methods: visualization of tube passing through vocal cords, chest rise, breath sounds in all fields, absence of gastric sounds, and end-tidal CO2 detection.
  • Capnography is the gold standard for confirming and monitoring endotracheal tube placement.

Shock Management

Types of Shock

Shock Type Cause Key Findings Primary Interventions
Hypovolemic Fluid loss (hemorrhage, dehydration) Tachycardia, hypotension, decreased urine output, cool extremities Fluid resuscitation, blood products, control bleeding
Cardiogenic Pump failure (MI, CHF) Pulmonary edema, JVD, S3 heart sound, cold extremities Inotropes, afterload reduction, treat underlying cause
Distributive (Septic) Vasodilation from infection Fever/hypothermia, warm extremities initially, altered mental status Antibiotics, fluid resuscitation, vasopressors
Anaphylactic Severe allergic reaction Urticaria, angioedema, bronchospasm, hypotension Epinephrine, antihistamines, corticosteroids
Neurogenic Loss of sympathetic tone Hypotension with bradycardia, warm extremities Fluid resuscitation, vasopressors, maintain spine precautions

Key Points

  • Early recognition of shock is critical - look for decreased tissue perfusion signs before vital sign changes occur.
  • Regardless of shock type, securing airway and ensuring adequate oxygenation is always the first priority.

Hemorrhage Control

  • Direct pressure is the first-line intervention for external hemorrhage control. Apply firm, continuous pressure directly to the bleeding site using gauze or clean cloth until bleeding stops or advanced help arrives.
  • Tourniquets are indicated for life-threatening extremity hemorrhage that cannot be controlled with direct pressure. Apply 2-3 inches proximal to the bleeding site, tighten until bleeding stops, and document time of application.

Key Points

  • Never remove gauze or dressings that have become blood-soaked; instead, add more gauze on top and continue pressure.
  • Modern tourniquets can remain in place for up to 2 hours with minimal risk of permanent tissue damage, but time of application must be documented.

Memory Aid: Shock Assessment

Remember "SHOCK" for assessment:

  • Skin (color, temperature, moisture)
  • Heart rate (typically elevated except in neurogenic shock)
  • Output (urine output < 0.5 mL/kg/hr indicates poor perfusion)
  • Consciousness (altered mental status from poor perfusion)
  • Kblood pressure (late sign of shock)

Trauma Management

Primary Survey

  • The primary survey follows the ABCDE approach (Airway, Breathing, Circulation, Disability, Exposure/Environment) to rapidly identify and address life-threatening conditions. Life-threatening issues must be treated as they are identified before moving to the next step.
  • During the primary survey, perform a rapid trauma assessment including cervical spine immobilization, assessment of airway patency, breathing adequacy, circulatory status, brief neurological assessment, and exposure of the patient to identify obvious injuries.

Key Points

  • Always assume cervical spine injury in trauma patients with mechanism of injury above the clavicles, altered mental status, or distracting injuries.
  • Treat life threats immediately as they are identified during the primary survey, rather than completing the entire assessment first.

Secondary Survey

  • The secondary survey is a comprehensive head-to-toe assessment performed after the primary survey is complete and life-threatening conditions are stabilized. It includes vital signs, history taking (SAMPLE: Signs/Symptoms, Allergies, Medications, Past medical history, Last meal, Events leading to injury), and detailed physical examination.
  • During the secondary survey, examine each body region systematically, looking for DCAP-BTLS: Deformities, Contusions, Abrasions, Punctures/Penetrations, Burns, Tenderness, Lacerations, and Swelling.

Key Points

  • The secondary survey should never take precedence over addressing life-threatening conditions identified in the primary survey.
  • Continuously reassess the patient's condition, as trauma patients can deteriorate rapidly.

Head Trauma Management

  • For patients with suspected traumatic brain injury (TBI), maintain cervical spine immobilization while ensuring adequate oxygenation and ventilation. Hypoxia and hypercapnia can worsen secondary brain injury by increasing intracranial pressure.
  • Monitor for signs of increased intracranial pressure (ICP): declining Glasgow Coma Scale (GCS), pupillary changes, Cushing's triad (hypertension, bradycardia, irregular respirations), and posturing. Elevate the head of bed 30° if no spinal injury is suspected to help reduce ICP.

Key Points

  • Prevent secondary brain injury by maintaining adequate oxygenation (SpO2 >94%) and preventing hypotension (SBP <90 mmHg).
  • Serial neurological assessments using the Glasgow Coma Scale are essential for detecting deterioration in patients with head trauma.

Memory Aid: Glasgow Coma Scale

Remember "4-5-6" for maximum scores:

  • 4 points max for Eye opening
  • 5 points max for Verbal response
  • 6 points max for Motor response

GCS 13-15 = Mild TBI, 9-12 = Moderate TBI, ≤8 = Severe TBI (intubation often indicated)

Commonly Confused Points

Concept Definition/Approach Common Confusion Clarification
Tension Pneumothorax vs. Simple Pneumothorax Tension: Air trapped in pleural space under pressure, causing mediastinal shift Both present with decreased breath sounds and respiratory distress Tension pneumothorax has tracheal deviation, JVD, and is an immediate life threat requiring needle decompression
Cardiac Arrest vs. Respiratory Arrest Cardiac: No pulse; Respiratory: No breathing but has pulse Both require immediate intervention Respiratory arrest requires rescue breathing; cardiac arrest requires CPR with compressions
Anaphylaxis vs. Anaphylactoid Reaction Anaphylaxis: IgE-mediated allergic reaction; Anaphylactoid: Non-IgE mediated Both present with similar symptoms Treatment is identical: epinephrine is first-line for both conditions
Heat Stroke vs. Heat Exhaustion Heat Stroke: Core temp >104°F (40°C) with CNS dysfunction; Heat Exhaustion: Milder form without CNS changes Both present with heat exposure and distress Heat stroke is a medical emergency requiring rapid cooling; patients have altered mental status
Ventricular Fibrillation vs. Pulseless Ventricular Tachycardia VF: Chaotic electrical activity; VT: Organized rapid ventricular rhythm without pulse Both are shockable rhythms in cardiac arrest Treatment is identical: immediate defibrillation and CPR

Commonly Confused Medication Emergencies

Condition Key Findings Emergency Management
Opioid Overdose Respiratory depression, pinpoint pupils, decreased LOC Naloxone administration, airway support
Benzodiazepine Overdose Respiratory depression, sedation, normal pupils Flumazenil (with caution), airway support
Hypoglycemia Diaphoresis, tachycardia, altered mental status, hunger Oral glucose if alert; D50W or glucagon if unable to take PO
DKA Kussmaul respirations, fruity breath, dehydration, hyperglycemia IV fluids, insulin, potassium replacement

Key Points

  • When in doubt between similar emergent conditions, focus on the ABCs and supporting vital functions while obtaining more information.
  • For unknown causes of altered mental status, remember the mnemonic AEIOU-TIPS: Alcohol/Acidosis, Epilepsy, Infection, Overdose, Uremia - Trauma, Insulin (hypo/hyperglycemia), Psychosis, Stroke/Shock.

Study Tips

Priority Setting in Emergencies

  • When answering NCLEX questions about multiple patients, remember that airway compromise, breathing difficulties, and circulatory issues always take highest priority, followed by acute changes in mental status.
  • Use the nursing process (Assessment, Diagnosis, Planning, Implementation, Evaluation) as a framework for approaching emergency care questions, but remember that in true emergencies, rapid assessment and intervention occur simultaneously.

Memory Aid: Emergency Priorities

Remember "ABCD" priority order:

  • Airway obstruction/compromise
  • Breathing difficulties
  • Circulatory problems (severe bleeding, shock)
  • Disability (altered mental status)

Everything else can wait until these are addressed!

Key Points

  • In emergency questions, look for keywords indicating urgency: sudden, acute, immediately, rapidly deteriorating.
  • Remember Maslow's hierarchy - physiological needs (oxygenation, circulation) always come before safety, psychosocial, or teaching needs in emergent situations.

Common Pitfalls in Emergency Questions

  • Avoid selecting options that involve leaving an unstable patient to get supplies or call for help without first addressing immediate life threats. The correct answer will often involve delegating tasks while staying with the critical patient.
  • Don't confuse assessment with intervention. While assessment is typically the first step of the nursing process, in emergencies with obvious life threats (no breathing, spurting blood), intervention may come first or simultaneously with assessment.

Key Points

  • Beware of answers that sound good but violate basic emergency principles like maintaining C-spine precautions in trauma or checking for scene safety.
  • Don't select options that require diagnostic confirmation before treating obvious life threats (e.g., waiting for lab results before treating anaphylaxis).

Memory Aid: NCLEX Emergency Response Framework

For emergency scenario questions, use "SAFE-ABC":

  • Safety first (scene and provider safety)
  • Assess rapidly for immediate threats
  • Focused interventions for life threats
  • Evaluate response to interventions
  • Airway, Breathing, Circulation priorities

Quick Check: Test Your Knowledge

1. What is the correct compression to ventilation ratio for adult one-rescuer CPR?

2. What is the first intervention for a patient with suspected anaphylaxis and respiratory distress?

3. What is the proper sequence for the primary assessment of a trauma patient?

4. In which type of shock would you expect to find warm, flushed skin in the early stages?

5. What is the most reliable method to confirm proper endotracheal tube placement?

Answers

  1. 30:2
  2. Administer epinephrine (usually 0.3-0.5 mg IM of 1:1000 solution)
  3. ABCDE: Airway, Breathing, Circulation, Disability, Exposure/Environment
  4. Distributive shock (septic, anaphylactic, neurogenic)
  5. Continuous waveform capnography (end-tidal CO2 monitoring)

Self-Assessment Checklist

  • I can describe the current CPR guidelines for different age groups
  • I can differentiate between types of shock and their management
  • I understand the primary and secondary survey process for trauma patients
  • I can identify the signs and management of increased intracranial pressure
  • I know the proper use of an AED and its contraindications
  • I can prioritize care for multiple emergency patients
  • I understand how to confirm proper endotracheal tube placement
  • I can recognize and respond to common medication emergencies

Remember, emergency care requires quick thinking and confident action. Focus on mastering the fundamental principles of assessment and intervention rather than memorizing every detail. When you encounter emergency questions on the NCLEX, take a deep breath, focus on ABCs, and trust your knowledge of prioritization. You've got this!

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