Emergency Nursing

Emergency nursing focuses on rapid assessment, prioritization, stabilization, and management of patients experiencing acute life-threatening physiologic compromise requiring immediate intervention to preserve airway, breathing, circulation, neurologic function, tissue perfusion, and survival. Emergency conditions may involve trauma, shock, poisoning, respiratory failure, cardiovascular collapse, neurologic deterioration, burns, environmental injuries, toxicologic crises, and multisystem emergencies that demand fast clinical judgment and coordinated interdisciplinary response. Emergency nursing integrates triage principles, resuscitation science, emergency pharmacology, trauma protocols, disaster preparedness, infection prevention, advanced assessment skills, and evidence-based interventions to minimize morbidity, mortality, secondary injury, and long-term complications. Nurses play critical frontline roles in emergency departments, intensive care units, ambulances, trauma centers, disaster settings, and community emergencies through rapid stabilization, continuous monitoring, emergency procedures, patient advocacy, crisis communication, and coordination of definitive care during highly unpredictable and high-acuity situations.

1️⃣ 🚨 Emergency Nursing Principles

🧬 Core Concepts & Priorities

🔷 Rapid stabilization prevents death and disability

🔷 ABCs guide immediate emergency priorities

🔷 Life threats treated before full history

🔷 Time-sensitive emergencies require protocol-based action

🔷 Continuous reassessment detects sudden deterioration

🔷 Safety protects patient, staff, bystanders

🔎 Assessment & Diagnostics

🔷 Primary survey identifies immediate threats

🔷 Vital signs reflect perfusion and oxygenation

🔷 GCS evaluates neurologic status quickly

🔷 ECG monitors cardiac rhythm instability

🔷 Glucose check rules hypoglycemia cause

🔷 SAMPLE history guides focused emergency care

💊 Emergency / Medical Management

🔷 Oxygen therapy for hypoxia/distress

🔷 IV access for fluids/medications

🔷 Cardiac monitor for unstable patients

🔷 Rapid labs/imaging based on presentation

🔷 Emergency meds follow standing protocols

🔷 Definitive care requires rapid referral

🩺 Nursing & Collaborative Management

🔷 Stay calm organized safety-focused

🔷 Prioritize unstable over stable patients

🔷 Communicate using SBAR during handoff

🔷 Document times interventions responses accurately

🔷 Provide crisis support to family

🔷 Coordinate EMS physician lab radiology

2️⃣ 🚨 Primary Survey (ABCDE Assessment)

🧬 Core Concepts & Priorities

🔷 Primary survey detects immediate life threats

🔷 Airway assessed with C-spine protection

🔷 Breathing evaluates ventilation and oxygenation

🔷 Circulation includes hemorrhage and perfusion

🔷 Disability evaluates neurologic compromise quickly

🔷 Exposure identifies hidden injuries promptly

🔎 Assessment & Diagnostics

🔷 Airway: speech, obstruction, facial trauma

🔷 Breathing: RR, chest rise, SpO₂

🔷 Circulation: pulse, BP, skin, bleeding

🔷 Disability: GCS, pupils, glucose, movement

🔷 Exposure: inspect fully, prevent hypothermia

🔷 FAST ultrasound detects internal bleeding

💊 Emergency / Medical Management

🔷 Jaw thrust if spinal injury suspected

🔷 High-flow oxygen for major trauma

🔷 Needle decompression for tension pneumothorax

🔷 Direct pressure controls severe bleeding

🔷 Massive transfusion for hemorrhagic shock

🔷 Warm blankets/fluids prevent hypothermia

🩺 Nursing & Collaborative Management

🔷 Reassess ABCDE after every intervention

🔷 Maintain C-spine precautions if indicated

🔷 Prepare airway equipment and suction

🔷 Monitor deterioration during assessment

🔷 Document findings in sequence clearly

🔷 Communicate priorities to trauma team

3️⃣ 🚨 Secondary Survey & Focused Assessment

🧬 Core Concepts & Priorities

🔷 Done after immediate threats stabilized

🔷 Identifies missed injuries and causes

🔷 Head-to-toe exam guides treatment plan

🔷 Focused assessment depends chief complaint

🔷 History clarifies mechanism and risks

🔷 Reassessment remains ongoing throughout care

🔎 Assessment & Diagnostics

🔷 SAMPLE: symptoms, allergies, medications, history, last intake, events

🔷 OPQRST assesses pain characteristics clearly

🔷 Inspect posterior body using logroll

🔷 Check neurovascular status distal injuries

🔷 Labs: CBC, electrolytes, glucose, coagulation

🔷 Imaging: X-ray, CT, ultrasound PRN

💊 Emergency / Medical Management

🔷 Analgesics treat pain after assessment

🔷 Fluids/blood products based on perfusion

🔷 Antibiotics for open wounds/fractures

🔷 Tetanus prophylaxis for dirty wounds

🔷 Splints stabilize injured extremities

🔷 Consult specialty services as needed

🩺 Nursing & Collaborative Management

🔷 Keep patient warm during exposure

🔷 Preserve evidence if assault suspected

🔷 Monitor pain and response treatment

🔷 Document injuries with location/size

🔷 Prepare patient for diagnostics rapidly

🔷 Update family according to policy

4️⃣ 🚑 Emergency Triage Systems

🧬 Core Concepts & Priorities

🔷 Triage prioritizes care by urgency

🔷 Greatest threat receives earliest treatment

🔷 Stable patients may safely wait

🔷 Re-triage needed when condition changes

🔷 Resources influence triage decisions

🔷 Ethical judgment essential during overcrowding

🔎 Assessment & Categories

🔷 Emergent: immediate life-threatening condition

🔷 Urgent: serious but not immediately fatal

🔷 Nonurgent: stable minor complaints

🔷 Red: immediate, treatable life threat

🔷 Yellow: delayed, serious but stable

🔷 Green: minor walking wounded

💊 Emergency / Operational Management

🔷 Airway compromise receives immediate care

🔷 Uncontrolled bleeding prioritized rapidly

🔷 Chest pain evaluated urgently

🔷 Stroke symptoms trigger rapid pathway

🔷 Fever neutropenia treated as emergency

🔷 Triage tags support tracking/prioritization

🩺 Nursing & Collaborative Management

🔷 Use quick focused assessment approach

🔷 Avoid under-triage missing unstable clients

🔷 Avoid over-triage wasting critical resources

🔷 Communicate triage category clearly

🔷 Reassess waiting patients periodically

🔷 Document triage time findings category

5️⃣ 🚑 START Triage System

🧬 Core Concepts & Priorities

🔷 START used during mass casualties

🔷 Sorts by respiration perfusion mentation

🔷 Goal greatest good greatest number

🔷 Rapid assessment usually under 60 seconds

🔷 Walking wounded initially classified green

🔷 Reassessment required after stabilization

🔎 Assessment & Categories

🔷 Green: ambulatory minor injuries

🔷 Red: immediate life-saving intervention needed

🔷 Yellow: delayed serious but stable

🔷 Black: deceased/expectant limited survival

🔷 Respirations >30/min suggest red category

🔷 Cap refill >2 sec/perfusion poor red

💊 Emergency / Operational Management

🔷 Open airway first nonbreathing patient

🔷 Control severe hemorrhage immediately

🔷 Red patients transported first priority

🔷 Yellow patients treated after red

🔷 Green patients directed safe area

🔷 Black patients receive comfort/identification care

🩺 Nursing & Collaborative Management

🔷 Perform triage quickly without prolonged care

🔷 Use tags clearly and visibly

🔷 Move ambulatory patients away first

🔷 Communicate numbers by category

🔷 Re-triage when resources or status change

🔷 Follow incident command instructions

6️⃣ ⚖️ Legal, Ethical & Documentation Issues in Emergency Care

🧬 Core Concepts & Priorities

🔷 Emergency care balances autonomy and beneficence

🔷 Implied consent applies life-threatening emergencies

🔷 Confidentiality maintained within legal limits

🔷 Duty to treat follows professional standards

🔷 Evidence preservation important assault/trauma cases

🔷 Accurate documentation protects patient and nurse

🔎 Assessment & Legal Focus

🔷 Assess capacity for informed refusal

🔷 Identify abuse, neglect, violence indicators

🔷 Document objective findings not assumptions

🔷 Record exact patient statements when relevant

🔷 Note time-sensitive interventions precisely

🔷 Assess need for mandatory reporting

💊 Emergency / Ethical Management

🔷 Treat unstable patients without delay

🔷 Respect refusal if competent/informed

🔷 Use restraints only when safety requires

🔷 Obtain consent when patient stabilized

🔷 Preserve chain of custody for evidence

🔷 Follow institutional protocols and laws

🩺 Nursing & Collaborative Management

🔷 Document assessment interventions response times

🔷 Use factual neutral professional language

🔷 Notify provider for refusal risks

🔷 Protect privacy during emergency care

🔷 Advocate for vulnerable patients actively

🔷 Collaborate legal, social work, security

7️⃣ ❤️ Basic Life Support (BLS)

🧬 Core Concepts & Priorities

🔷 BLS maintains circulation and oxygenation

🔷 Early CPR improves survival chances

🔷 Early defibrillation treats shockable rhythms

🔷 Brain injury begins within minutes

🔷 High-quality compressions maintain organ perfusion

🔷 Team coordination reduces treatment delays

🔎 Assessment & Diagnostics

🔷 Check responsiveness and normal breathing

🔷 Pulse check should be ≤10 seconds

🔷 Agonal gasps count as abnormal breathing

🔷 AED analyzes rhythm for shock need

🔷 Monitor chest rise during ventilations

🔷 Reassess rhythm/pulse every 2 minutes

💊 Emergency / Resuscitation Management

🔷 Compression rate 100–120/min

🔷 Adult depth 5–6 cm

🔷 Allow full chest recoil

🔷 Compression-ventilation ratio 30:2 single rescuer

🔷 Use AED as soon available

🔷 Resume CPR immediately after shock

🩺 Nursing & Collaborative Management

🔷 Call for help/code immediately

🔷 Start compressions without delay

🔷 Switch compressors every 2 minutes

🔷 Minimize pauses during rhythm checks

🔷 Prepare airway and suction equipment

🔷 Document arrest time actions outcomes

8️⃣ ❤️ Advanced Cardiac Life Support (ACLS)

🧬 Core Concepts & Priorities

🔷 ACLS manages cardiac arrest and unstable rhythms

🔷 High-quality CPR remains major priority

🔷 Early defibrillation improves survival significantly

🔷 Reversible causes identified using Hs and Ts

🔷 Team dynamics improve resuscitation efficiency

🔷 Post-arrest care prevents secondary injury

🔎 Assessment & Diagnostics

🔷 ECG identifies shockable vs nonshockable rhythms

🔷 VF/pulseless VT = shockable rhythms

🔷 PEA/asystole = nonshockable rhythms

🔷 ETCO₂ monitors CPR effectiveness quality

🔷 ABGs assess oxygenation and acidosis

🔷 Labs: K⁺, glucose, troponin, lactate

💊 Emergency / ACLS Management

🔷 Epinephrine 1 mg IV q3–5 min

🔷 Amiodarone for refractory VF/pulseless VT

🔷 Defibrillation biphasic 120–200 J initial

🔷 Synchronized cardioversion unstable tachyarrhythmias

🔷 Treat reversible causes aggressively

🔷 ROSC care includes oxygenation and BP support

🩺 Nursing & Collaborative Management

🔷 Maintain effective chest compressions continuously

🔷 Prepare emergency medications rapidly accurately

🔷 Anticipate airway and defibrillation needs

🔷 Communicate rhythm and medication timing clearly

🔷 Document code events and responses precisely

🔷 Support family during/post resuscitation

9️⃣ ❤️ Cardiopulmonary Resuscitation (CPR)

🧬 Core Concepts & Priorities

🔷 CPR temporarily maintains perfusion and oxygenation

🔷 Immediate initiation improves neurologic survival outcomes

🔷 Brain damage occurs after 4–6 min

🔷 Compression quality determines CPR effectiveness

🔷 Minimal interruption essential during resuscitation

🔷 AED use improves survival in VF/VT

🔎 Assessment & Diagnostics

🔷 Assess responsiveness and pulse rapidly

🔷 Absent pulse indicates cardiac arrest

🔷 Observe chest rise during ventilations

🔷 Cyanosis may indicate severe hypoxia

🔷 ECG confirms rhythm during advanced care

🔷 ETCO₂ low values indicate poor perfusion

💊 Emergency / Resuscitation Management

🔷 Start compressions immediately after arrest recognition

🔷 Adult ratio 30 compressions:2 breaths

🔷 Use bag-valve-mask with oxygen support

🔷 Defibrillate VF/pulseless VT promptly

🔷 Rotate compressors every 2 minutes

🔷 Continue until ROSC or termination order

🩺 Nursing & Collaborative Management

🔷 Ensure hard flat compression surface

🔷 Avoid excessive ventilation during CPR

🔷 Monitor fatigue affecting compression quality

🔷 Coordinate compressor and airway roles

🔷 Prepare emergency crash-cart medications

🔷 Debrief team after resuscitation event

🔟 🌬️ Airway Obstruction & Heimlich Maneuver

🧬 Core Concepts & Priorities

🔷 Airway obstruction rapidly causes hypoxia

🔷 Complete obstruction is medical emergency

🔷 Foreign-body aspiration common choking cause

🔷 Brain injury develops within minutes hypoxia

🔷 Early recognition prevents respiratory arrest

🔷 Infants require modified choking management

🔎 Assessment & Diagnostics

🔷 Universal choking sign = hands throat

🔷 Inability speak/cough indicates severe obstruction

🔷 Stridor suggests upper-airway compromise

🔷 Cyanosis indicates worsening oxygen deprivation

🔷 Silent cough dangerous complete obstruction sign

🔷 Chest X-ray may detect aspirated object

💊 Emergency / Medical Management

🔷 Heimlich maneuver for conscious adults/children

🔷 Back blows + chest thrusts infants

🔷 CPR if patient becomes unresponsive

🔷 Magill forceps remove visible obstruction

🔷 Intubation or cricothyrotomy severe cases

🔷 Bronchoscopy definitive foreign-body removal

🩺 Nursing & Collaborative Management

🔷 Encourage coughing if partial obstruction

🔷 Call emergency response immediately severe choking

🔷 Monitor SpO₂ and respiratory effort continuously

🔷 Prepare suction and airway equipment

🔷 Educate aspiration prevention high-risk patients

🔷 Document event interventions patient response

1️⃣1️⃣ ❤️ Acute Coronary Syndrome (ACS)

🧬 Core Concepts & Priorities

🔷 ACS results myocardial oxygen supply-demand imbalance

🔷 Plaque rupture triggers coronary thrombosis formation

🔷 Includes unstable angina, NSTEMI, STEMI

🔷 Time-sensitive reperfusion limits myocardial damage

🔷 Ischemia may progress cardiogenic shock

🔷 Rapid ECG essential within 10 minutes

🔎 Assessment & Diagnostics

🔷 Crushing chest pain radiating jaw/arm

🔷 Diaphoresis, dyspnea, nausea commonly occur

🔷 Troponin ↑ indicates myocardial injury

🔷 STEMI shows ST elevation ECG

🔷 Echocardiogram evaluates wall-motion abnormalities

🔷 Coronary angiography identifies vessel occlusion

💊 Emergency / Medical Management

🔷 MONA: morphine, oxygen, nitroglycerin, aspirin

🔷 Aspirin 160–325 mg chew immediately

🔷 Nitroglycerin contraindicated severe hypotension/PDE5 use

🔷 PCI preferred reperfusion STEMI treatment

🔷 Thrombolytics if PCI unavailable timely

🔷 Anticoagulants and beta-blockers commonly administered

🩺 Nursing & Collaborative Management

🔷 Obtain ECG rapidly upon arrival

🔷 Monitor chest pain and rhythm continuously

🔷 Assess for cardiogenic shock signs

🔷 Maintain bed rest initially

🔷 Prepare patient for PCI urgently

🔷 Educate lifestyle modification and medication adherence

1️⃣2️⃣ ❤️ Cardiac Arrest & Post-Resuscitation Care

🧬 Core Concepts & Priorities

🔷 Cardiac arrest = sudden cessation circulation

🔷 VF and pulseless VT commonly reversible

🔷 Hypoxic brain injury major complication

🔷 ROSC requires aggressive post-arrest stabilization

🔷 Hemodynamic instability common after ROSC

🔷 Targeted temperature management improves neurologic outcomes

🔎 Assessment & Diagnostics

🔷 No pulse and unresponsiveness hallmark findings

🔷 ECG identifies arrest rhythm type

🔷 ETCO₂ monitors CPR quality and ROSC

🔷 Lactate ↑ reflects tissue hypoperfusion

🔷 ABGs assess oxygenation and acidosis

🔷 CT brain if neurologic concern persists

💊 Emergency / Medical Management

🔷 Immediate CPR and defibrillation if indicated

🔷 Epinephrine q3–5 min during arrest

🔷 Secure airway and ventilatory support

🔷 Vasopressors maintain MAP ≥65 mmHg

🔷 Targeted temperature 32–36°C selected patients

🔷 Treat underlying arrest cause aggressively

🩺 Nursing & Collaborative Management

🔷 Monitor hemodynamics and neuro status closely

🔷 Maintain oxygenation avoid hyperoxia

🔷 Monitor urine output and perfusion

🔷 Provide emotional support to family

🔷 Document ROSC time interventions outcomes

🔷 Collaborate ICU cardiology neurology teams

1️⃣3️⃣ ❤️ Dysrhythmias Emergencies

🧬 Core Concepts & Priorities

🔷 Dysrhythmias impair cardiac output and perfusion

🔷 Some rhythms rapidly progress cardiac arrest

🔷 Electrolyte imbalance commonly precipitates arrhythmias

🔷 Ischemia may trigger lethal ventricular rhythms

🔷 Hemodynamic instability determines treatment urgency

🔷 Early ECG interpretation guides management

🔎 Assessment & Diagnostics

🔷 Palpitations, syncope, chest pain possible

🔷 Bradycardia may cause hypotension dizziness

🔷 Tachycardia may decrease ventricular filling

🔷 ECG identifies rhythm origin and rate

🔷 K⁺ and Mg²⁺ abnormalities important causes

🔷 Troponin assesses ischemic contribution

💊 Emergency / Medical Management

🔷 Atropine treats symptomatic bradycardia

🔷 Synchronized cardioversion unstable tachycardia treatment

🔷 Defibrillation pulseless VF/VT immediately

🔷 Amiodarone manages ventricular dysrhythmias

🔷 Adenosine terminates SVT temporarily

🔷 Magnesium sulfate treats torsades de pointes

🩺 Nursing & Collaborative Management

🔷 Continuous ECG and VS monitoring

🔷 Assess perfusion and LOC frequently

🔷 Prepare defibrillator and emergency drugs

🔷 Monitor electrolyte replacement carefully

🔷 Educate symptoms needing urgent evaluation

🔷 Document rhythm changes interventions responses

1️⃣4️⃣ ❤️ Shock States

🧬 Core Concepts & Priorities

🔷 Shock = inadequate tissue perfusion/oxygenation

🔷 Cellular hypoxia causes organ dysfunction rapidly

🔷 Types: hypovolemic, septic, cardiogenic, obstructive, neurogenic

🔷 Compensatory mechanisms initially maintain BP

🔷 Untreated shock progresses multisystem failure

🔷 Early recognition improves survival significantly

🔎 Assessment & Diagnostics

🔷 Hypotension, tachycardia common findings

🔷 Cool clammy skin hypovolemic/cardiogenic shock

🔷 Warm flushed skin early septic shock

🔷 Lactate >2 mmol/L indicates hypoperfusion

🔷 Urine output <0.5 mL/kg/hr concerning

🔷 ABGs show metabolic acidosis progression

💊 Emergency / Medical Management

🔷 Airway oxygenation immediate priorities

🔷 Rapid IV crystalloids hypovolemic/septic shock

🔷 Vasopressors: norepinephrine septic shock first-line

🔷 Blood transfusion severe hemorrhagic shock

🔷 Inotropes improve cardiogenic shock contractility

🔷 Treat underlying shock cause urgently

🩺 Nursing & Collaborative Management

🔷 Monitor VS and perfusion continuously

🔷 Strict I&O and urine monitoring

🔷 Assess LOC and capillary refill frequently

🔷 Administer fluids and vasopressors safely

🔷 Monitor lactate and response treatment

🔷 Collaborate ICU rapid-response emergency team

1️⃣5️⃣ 🌬️ Acute Respiratory Failure

🧬 Core Concepts & Priorities

🔷 Respiratory system fails gas exchange

🔷 Hypoxemic failure = PaO₂ <60 mmHg

🔷 Hypercapnic failure = PaCO₂ >45 mmHg

🔷 Causes include pneumonia, COPD, ARDS, trauma

🔷 Hypoxia rapidly affects brain and heart

🔷 Early airway support prevents arrest

🔎 Assessment & Diagnostics

🔷 Severe dyspnea, tachypnea, accessory muscle use

🔷 SpO₂ ↓, cyanosis, confusion concerning

🔷 ABG confirms oxygenation/ventilation failure

🔷 Chest X-ray identifies pneumonia/edema/collapse

🔷 CO₂ retention causes drowsiness/headache

🔷 Monitor RR, breath sounds, LOC

💊 Emergency / Medical Management

🔷 Oxygen therapy titrated to target

🔷 Noninvasive ventilation for selected patients

🔷 Intubation if airway failure/LOC decline

🔷 Treat cause: antibiotics, bronchodilators, diuretics

🔷 Mechanical ventilation supports severe failure

🔷 Sedation may improve ventilator tolerance

🩺 Nursing & Collaborative Management

🔷 Position high Fowler’s for lung expansion

🔷 Monitor SpO₂ and ABG trends

🔷 Prepare suction and airway equipment

🔷 Assess fatigue and decreasing respiratory effort

🔷 Prevent aspiration during declining LOC

🔷 Collaborate respiratory therapist and ICU team

1️⃣6️⃣ 🌬️ Asthma Exacerbation & Status Asthmaticus

🧬 Core Concepts & Priorities

🔷 Bronchospasm narrows airways and traps air

🔷 Inflammation and mucus worsen obstruction

🔷 Triggers: allergens, infection, exercise, smoke

🔷 Status asthmaticus = severe unresponsive attack

🔷 Silent chest indicates critical airflow obstruction

🔷 Hypoxia and exhaustion may precede arrest

🔎 Assessment & Diagnostics

🔷 Wheezing, dyspnea, chest tightness common

🔷 Peak flow ↓ from personal best

🔷 SpO₂ ↓ indicates poor oxygenation

🔷 ABG early respiratory alkalosis, late acidosis

🔷 Accessory muscle use suggests severity

🔷 CXR rules pneumothorax/pneumonia complications

💊 Emergency / Medical Management

🔷 Albuterol nebulization first-line bronchodilator

🔷 Ipratropium added moderate-severe exacerbation

🔷 Systemic corticosteroid: methylprednisolone/prednisone

🔷 Magnesium sulfate IV severe refractory bronchospasm

🔷 Epinephrine if anaphylaxis-related bronchospasm

🔷 Intubation if respiratory failure imminent

🩺 Nursing & Collaborative Management

🔷 Sit upright and provide reassurance

🔷 Monitor response after bronchodilator treatments

🔷 Assess for silent chest deterioration

🔷 Encourage pursed-lip breathing if tolerated

🔷 Avoid sedatives unless intubated/ordered

🔷 Teach trigger avoidance and inhaler technique

1️⃣7️⃣ 🌬️ Pulmonary Embolism

🧬 Core Concepts & Priorities

🔷 Embolus obstructs pulmonary arterial circulation

🔷 Usually originates from lower-extremity DVT

🔷 Obstruction increases pulmonary vascular resistance

🔷 Right-heart strain may cause shock

🔷 Risks: immobility, surgery, pregnancy, cancer

🔷 Large PE can cause sudden death

🔎 Assessment & Diagnostics

🔷 Sudden dyspnea and pleuritic chest pain

🔷 Tachycardia, tachypnea, anxiety common

🔷 Hemoptysis may occur with infarction

🔷 D-dimer ↑ suggests clot formation

🔷 CT pulmonary angiography confirms diagnosis

🔷 ABG may show hypoxemia/respiratory alkalosis

💊 Emergency / Medical Management

🔷 Oxygen therapy corrects hypoxemia

🔷 Anticoagulation: heparin, enoxaparin, warfarin

🔷 Thrombolytic alteplase for massive unstable PE

🔷 Vasopressors if obstructive shock present

🔷 IVC filter if anticoagulation contraindicated

🔷 Embolectomy selected life-threatening cases

🩺 Nursing & Collaborative Management

🔷 Monitor SpO₂, RR, chest pain

🔷 Assess bleeding risk during anticoagulation

🔷 Maintain bed rest during acute instability

🔷 Avoid massaging suspected DVT limb

🔷 Teach anticoagulant adherence and precautions

🔷 Collaborate emergency, pulmonology, ICU teams

1️⃣8️⃣ 🌬️ Pneumothorax & Hemothorax

🧬 Core Concepts & Priorities

🔷 Pneumothorax = air in pleural space

🔷 Hemothorax = blood in pleural space

🔷 Lung compression impairs ventilation and oxygenation

🔷 Tension pneumothorax causes obstructive shock

🔷 Trauma and procedures common causes

🔷 Rapid decompression may be lifesaving

🔎 Assessment & Diagnostics

🔷 Sudden chest pain and dyspnea

🔷 Decreased/absent breath sounds affected side

🔷 Tracheal deviation late tension sign

🔷 Hypotension/JVD suggests tension physiology

🔷 CXR confirms air/fluid pleural space

🔷 Ultrasound detects pneumothorax/hemothorax rapidly

💊 Emergency / Medical Management

🔷 High-flow oxygen supports oxygenation

🔷 Needle decompression for tension pneumothorax

🔷 Chest tube drains air or blood

🔷 Thoracotomy if massive bleeding persists

🔷 Analgesics improve breathing and coughing

🔷 Treat underlying trauma or lung disease

🩺 Nursing & Collaborative Management

🔷 Monitor chest tube drainage and bubbling

🔷 Keep drainage system below chest level

🔷 Assess respiratory status after insertion

🔷 Report sudden increased bleeding immediately

🔷 Maintain occlusive dressing for open chest wound

🔷 Prepare emergency equipment for deterioration

1️⃣9️⃣ 🌬️ Mechanical Ventilation Basics

🧬 Core Concepts & Priorities

🔷 Ventilator supports oxygenation and ventilation

🔷 Indicated severe respiratory failure/airway protection

🔷 Positive pressure improves alveolar ventilation

🔷 PEEP prevents alveolar collapse

🔷 Excess pressure may cause barotrauma

🔷 Sedation improves tolerance and synchrony

🔎 Assessment & Diagnostics

🔷 Monitor SpO₂, ABG, breath sounds

🔷 Peak pressure ↑ suggests obstruction/compliance issue

🔷 Low pressure alarm suggests leak/disconnection

🔷 CXR confirms endotracheal tube position

🔷 Assess secretions, cough, ventilator synchrony

🔷 Monitor readiness for weaning daily

💊 Emergency / Medical Management

🔷 Common modes: assist-control, SIMV, pressure support

🔷 FiO₂ adjusted to oxygenation target

🔷 PEEP improves oxygenation in hypoxemia

🔷 Sedation: propofol, midazolam, fentanyl

🔷 Suctioning clears secretions when indicated

🔷 Weaning trials assess spontaneous breathing ability

🩺 Nursing & Collaborative Management

🔷 Maintain HOB 30–45° VAP prevention

🔷 Provide oral care with chlorhexidine

🔷 Secure tube and mark insertion depth

🔷 Monitor cuff pressure per protocol

🔷 Assess need before suctioning patient

🔷 Collaborate respiratory therapist closely

2️⃣0️⃣ 🌊 Drowning & Near-Drowning Emergencies

🧬 Core Concepts & Priorities

🔷 Submersion causes hypoxia and aspiration risk

🔷 Hypoxemia primary cause of death

🔷 Cold-water drowning may cause hypothermia

🔷 Aspiration can trigger ARDS/pneumonia

🔷 Cervical injury possible diving incidents

🔷 Rapid rescue ventilation improves survival

🔎 Assessment & Diagnostics

🔷 Cough, dyspnea, cyanosis, altered LOC

🔷 Crackles may indicate aspiration/pulmonary edema

🔷 SpO₂ ↓ and ABG hypoxemia common

🔷 CXR may show infiltrates/edema later

🔷 Check temperature for hypothermia

🔷 Assess trauma if diving/fall involved

💊 Emergency / Medical Management

🔷 Rescue breathing/CPR if pulseless/apneic

🔷 High-flow oxygen supports hypoxemia

🔷 Intubation if respiratory failure/low GCS

🔷 Rewarming for hypothermia cases

🔷 Bronchodilators if bronchospasm occurs

🔷 Antibiotics not routine unless infection suspected

🩺 Nursing & Collaborative Management

🔷 Maintain airway and C-spine if trauma

🔷 Monitor delayed respiratory deterioration closely

🔷 Remove wet clothing and warm patient

🔷 Observe children even after initial improvement

🔷 Educate water safety and supervision

🔷 Collaborate EMS, respiratory, ICU teams

2️⃣1️⃣ 🧠 Stroke Emergencies

🧬 Core Concepts & Priorities

🔷 Stroke = sudden cerebral blood-flow disruption

🔷 Ischemic stroke from clot occlusion

🔷 Hemorrhagic stroke from vessel rupture

🔷 Time-sensitive treatment preserves brain tissue

🔷 Hypertension/AF major stroke risk factors

🔷 Early recognition reduces disability mortality

🔎 Assessment & Diagnostics

🔷 FAST: face droop, arm weakness, speech difficulty

🔷 Sudden unilateral weakness/numbness common

🔷 Aphasia, vision loss, ataxia possible

🔷 Noncontrast CT differentiates bleed vs ischemia

🔷 NIHSS measures stroke severity

🔷 Glucose check rules mimic hypoglycemia

💊 Emergency / Medical Management

🔷 Alteplase for eligible ischemic stroke window

🔷 Mechanical thrombectomy large-vessel occlusion selected

🔷 BP control critical hemorrhagic stroke

🔷 Antiplatelets after hemorrhage excluded/appropriate timing

🔷 Nimodipine prevents vasospasm after SAH

🔷 Neurosurgery for selected hemorrhage cases

🩺 Nursing & Collaborative Management

🔷 Determine exact last-known-well time

🔷 Keep NPO until swallow screen passed

🔷 Monitor neuro status and BP frequently

🔷 Maintain aspiration and fall precautions

🔷 Prepare rapid CT and stroke pathway

🔷 Collaborate neurology, radiology, rehab teams

2️⃣2️⃣ 🧠 Increased Intracranial Pressure (ICP)

🧬 Core Concepts & Priorities

🔷 ICP rises from swelling, bleeding, obstruction

🔷 Monro-Kellie doctrine limits cranial compensation

🔷 Cerebral perfusion decreases as ICP rises

🔷 Herniation may rapidly become fatal

🔷 Trauma and stroke common causes

🔷 Early recognition prevents irreversible brain injury

🔎 Assessment & Diagnostics

🔷 Headache, vomiting, altered LOC common

🔷 Cushing triad: bradycardia, hypertension, irregular respirations

🔷 Pupillary changes suggest neurologic deterioration

🔷 Decreased GCS indicates worsening ICP

🔷 CT/MRI detects edema or hemorrhage

🔷 ICP monitor measures intracranial pressure directly

💊 Emergency / Medical Management

🔷 Elevate HOB 30° to improve drainage

🔷 Mannitol reduces cerebral edema rapidly

🔷 Hypertonic saline lowers ICP effectively

🔷 Controlled ventilation temporary severe ICP management

🔷 Sedation reduces metabolic oxygen demand

🔷 Neurosurgery for hematoma or decompression

🩺 Nursing & Collaborative Management

🔷 Monitor neuro status and pupils frequently

🔷 Avoid hip flexion or neck constriction

🔷 Minimize suctioning and stimulation when possible

🔷 Maintain oxygenation and normothermia

🔷 Strict I&O and serum sodium monitoring

🔷 Collaborate neurosurgery and ICU teams

2️⃣3️⃣ 🧠 Status Epilepticus

🧬 Core Concepts & Priorities

🔷 Continuous seizure >5 minutes emergency

🔷 Recurrent seizures without recovery dangerous

🔷 Prolonged seizures cause cerebral hypoxia

🔷 Metabolic acidosis and hyperthermia may occur

🔷 Abrupt antiepileptic withdrawal common trigger

🔷 Rapid treatment prevents permanent neurologic injury

🔎 Assessment & Diagnostics

🔷 Continuous tonic-clonic activity concerning

🔷 Altered LOC persists between seizures

🔷 Airway compromise and cyanosis possible

🔷 Glucose abnormality may trigger seizures

🔷 EEG confirms ongoing nonconvulsive seizures

🔷 CT/MRI identifies structural brain causes

💊 Emergency / Medical Management

🔷 Airway and oxygen immediate priorities

🔷 Lorazepam IV first-line seizure control

🔷 Diazepam or midazolam alternatives available

🔷 Phenytoin/fosphenytoin prevent seizure recurrence

🔷 Intubation if prolonged refractory seizures

🔷 Correct glucose and electrolyte abnormalities

🩺 Nursing & Collaborative Management

🔷 Protect patient from injury during seizure

🔷 Do not restrain or insert objects

🔷 Time seizure duration accurately

🔷 Monitor airway and SpO₂ continuously

🔷 Suction secretions after convulsions cease

🔷 Prepare emergency anticonvulsant medications rapidly

2️⃣4️⃣ 🧠 Head Trauma & Traumatic Brain Injury

🧬 Core Concepts & Priorities

🔷 TBI results from blunt or penetrating trauma

🔷 Primary injury occurs at impact moment

🔷 Secondary injury develops from hypoxia/edema

🔷 Increased ICP worsens neurologic outcomes

🔷 Skull fractures may accompany brain injury

🔷 Rapid stabilization limits secondary brain damage

🔎 Assessment & Diagnostics

🔷 LOC changes indicate neurologic impairment

🔷 Unequal pupils suggest herniation risk

🔷 CSF leak may occur basilar fracture

🔷 GCS assesses injury severity systematically

🔷 CT scan identifies bleeding/fractures rapidly

🔷 Monitor for posturing and seizures

💊 Emergency / Medical Management

🔷 Maintain airway with C-spine precautions

🔷 Control ICP using mannitol/sedation

🔷 Anticonvulsants may prevent posttraumatic seizures

🔷 Neurosurgery for hematoma evacuation

🔷 Hypertonic saline severe cerebral edema

🔷 Avoid hypotension and hypoxia aggressively

🩺 Nursing & Collaborative Management

🔷 Frequent neuro and GCS monitoring

🔷 Maintain cervical immobilization initially

🔷 Observe for CSF rhinorrhea/otorrhea

🔷 Prevent coughing or Valsalva maneuvers

🔷 Monitor temperature and glucose closely

🔷 Collaborate trauma, neurosurgery, ICU teams

2️⃣5️⃣ 🧠 Spinal Cord Injury Emergencies

🧬 Core Concepts & Priorities

🔷 SCI disrupts motor sensory autonomic pathways

🔷 Cervical injuries threaten respiratory function

🔷 Secondary injury worsens neurologic deficits

🔷 Spinal shock causes flaccid paralysis initially

🔷 Neurogenic shock causes hypotension/bradycardia

🔷 Immobilization prevents additional spinal damage

🔎 Assessment & Diagnostics

🔷 Weakness or paralysis below injury level

🔷 Sensory loss and absent reflexes possible

🔷 Priapism may indicate severe SCI

🔷 Respiratory compromise cervical cord injuries

🔷 CT/MRI identifies fractures and cord compression

🔷 ASIA scale assesses neurologic impairment

💊 Emergency / Medical Management

🔷 Cervical collar and spinal precautions immediately

🔷 Airway support high cervical injuries

🔷 Vasopressors maintain spinal cord perfusion

🔷 Surgical decompression/stabilization selected cases

🔷 Foley catheter monitors urine retention

🔷 DVT prophylaxis due immobility risk

🩺 Nursing & Collaborative Management

🔷 Logroll patient maintaining spinal alignment

🔷 Monitor respiratory effort and diaphragm function

🔷 Assess neurovascular status repeatedly

🔷 Prevent pressure injuries and contractures

🔷 Monitor autonomic dysreflexia high-level SCI

🔷 Collaborate trauma rehab neurosurgery teams

2️⃣6️⃣ 🧠 Coma & Glasgow Coma Scale

🧬 Core Concepts & Priorities

🔷 Coma = unarousable unresponsive state

🔷 Causes include trauma, stroke, toxins, hypoxia

🔷 Brainstem function critical survival indicator

🔷 Airway protection major immediate priority

🔷 Neurologic deterioration may progress rapidly

🔷 Early cause identification improves outcomes

🔎 Assessment & Diagnostics

🔷 GCS assesses eye verbal motor response

🔷 GCS ≤8 often requires intubation

🔷 Pupillary response indicates brainstem function

🔷 Decorticate/decerebrate posturing severe findings

🔷 CT brain evaluates bleeding or edema

🔷 Labs assess glucose, toxins, electrolytes

💊 Emergency / Medical Management

🔷 Secure airway and ventilatory support

🔷 Treat reversible causes immediately

🔷 Dextrose for hypoglycemia after glucose check

🔷 Naloxone if opioid overdose suspected

🔷 Mannitol if cerebral edema present

🔷 Seizure control if convulsions occur

🩺 Nursing & Collaborative Management

🔷 Frequent neuro checks and GCS monitoring

🔷 Maintain airway suction and aspiration precautions

🔷 Reposition every 2 hours prevent breakdown

🔷 Monitor corneal reflex and eye care

🔷 Maintain normothermia and glucose control

🔷 Support family with prognosis updates

2️⃣7️⃣ 🔥 Burns & Burn Management

🧬 Core Concepts & Priorities

🔷 Burns cause tissue destruction and fluid loss

🔷 Severity depends depth and TBSA involved

🔷 Airway burns threaten respiratory compromise rapidly

🔷 Massive fluid shifts cause hypovolemic shock

🔷 Infection major burn complication risk

🔷 Hypermetabolic state increases nutritional demands

🔎 Assessment & Diagnostics

🔷 Assess depth: superficial to full-thickness

🔷 Rule of nines estimates TBSA

🔷 Soot/hoarseness suggests inhalation injury

🔷 Burn shock causes hypotension tachycardia

🔷 Carboxyhemoglobin elevated smoke inhalation

🔷 Monitor urine output and electrolytes

💊 Emergency / Medical Management

🔷 Stop burning process immediately safely

🔷 High-flow oxygen for inhalation injury

🔷 Parkland formula guides fluid resuscitation

🔷 IV opioids manage severe burn pain

🔷 Tetanus prophylaxis if indicated

🔷 Early wound care prevents infection

🩺 Nursing & Collaborative Management

🔷 Maintain sterile dressing technique carefully

🔷 Monitor airway edema and breathing changes

🔷 Strict I&O and urine output monitoring

🔷 Prevent hypothermia during wound exposure

🔷 Provide high-calorie high-protein nutrition

🔷 Collaborate burn team and rehabilitation

2️⃣8️⃣ 🦴 Fractures, Crush Injuries & Compartment Syndrome

🧬 Core Concepts & Priorities

🔷 Fractures disrupt bone continuity and stability

🔷 Crush injuries damage muscle and vessels

🔷 Compartment syndrome threatens limb viability

🔷 Swelling increases pressure impairing perfusion

🔷 Rhabdomyolysis may cause acute kidney injury

🔷 Early recognition prevents permanent disability

🔎 Assessment & Diagnostics

🔷 Pain, deformity, swelling common findings

🔷 Neurovascular checks distal injury essential

🔷 Compartment syndrome: pain out proportion

🔷 Pallor, paresthesia, pulselessness late signs

🔷 CK ↑ indicates muscle breakdown

🔷 X-ray confirms fracture location/type

💊 Emergency / Medical Management

🔷 Immobilize fracture before transport/movement

🔷 IV fluids prevent rhabdomyolysis kidney injury

🔷 Fasciotomy definitive compartment syndrome treatment

🔷 Analgesics reduce severe musculoskeletal pain

🔷 Splints/casts stabilize affected extremity

🔷 Surgery for unstable/open fractures

🩺 Nursing & Collaborative Management

🔷 Elevate injured extremity appropriately

🔷 Assess pulses sensation movement frequently

🔷 Report worsening pain despite analgesics immediately

🔷 Monitor urine color and output

🔷 Maintain sterile care open fractures

🔷 Collaborate orthopedic and trauma teams

2️⃣9️⃣ 🚑 Polytrauma & Multiple Injuries

🧬 Core Concepts & Priorities

🔷 Polytrauma involves multiple body-system injuries

🔷 Life threats managed before limb injuries

🔷 Hemorrhage and hypoxia cause early deaths

🔷 Secondary survey detects hidden injuries

🔷 Trauma triad: hypothermia, acidosis, coagulopathy

🔷 Rapid transport improves definitive care access

🔎 Assessment & Diagnostics

🔷 ABCDE guides initial trauma assessment

🔷 FAST detects internal abdominal bleeding

🔷 CT scan evaluates head chest abdomen

🔷 CBC trends indicate blood loss

🔷 Lactate ↑ suggests hypoperfusion/shock

🔷 GCS monitors neurologic deterioration

💊 Emergency / Medical Management

🔷 Control bleeding using pressure/tourniquet

🔷 Massive transfusion for severe hemorrhage

🔷 Oxygen and airway support prioritized

🔷 Analgesics after stabilization as ordered

🔷 Surgery controls internal bleeding/injury

🔷 Warm fluids prevent trauma hypothermia

🩺 Nursing & Collaborative Management

🔷 Maintain cervical spine precautions initially

🔷 Reassess ABCDE after every intervention

🔷 Monitor VS, LOC, bleeding continuously

🔷 Prevent hypothermia with active warming

🔷 Prepare rapid OR/CT/ICU transfer

🔷 Collaborate trauma team efficiently

3️⃣0️⃣ 🌡️ Heat Stroke, Heat Exhaustion & Hypothermia

🧬 Core Concepts & Priorities

🔷 Heat exhaustion causes dehydration and weakness

🔷 Heat stroke causes CNS dysfunction hyperthermia

🔷 Heat stroke core temp often ≥40°C

🔷 Hypothermia core temp <35°C

🔷 Extremes impair cellular and cardiac function

🔷 Dysrhythmias may occur in severe cases

🔎 Assessment & Diagnostics

🔷 Heat exhaustion: sweating, dizziness, tachycardia

🔷 Heat stroke: confusion, seizures, hot skin

🔷 Hypothermia: shivering, bradycardia, confusion

🔷 Severe hypothermia: coma, no shivering

🔷 Check core temperature accurately

🔷 Labs: electrolytes, CK, renal function

💊 Emergency / Medical Management

🔷 Heat stroke requires rapid cooling

🔷 Remove clothing, ice packs, cooling blankets

🔷 Cold-water immersion if available/appropriate

🔷 IV fluids correct dehydration cautiously

🔷 Hypothermia needs passive/active rewarming

🔷 Warm IV fluids and oxygen severe cases

🩺 Nursing & Collaborative Management

🔷 Move patient from exposure immediately

🔷 Monitor ECG for dysrhythmias continuously

🔷 Avoid antipyretics in heat stroke

🔷 Handle hypothermic patient gently

🔷 Monitor urine output/rhabdomyolysis signs

🔷 Educate hydration and environmental precautions

3️⃣1️⃣ ⚡ Electrical Injuries & Lightning Injuries

🧬 Core Concepts & Priorities

🔷 Electrical current damages deep tissues invisibly

🔷 Cardiac dysrhythmias may occur immediately

🔷 Muscle injury may cause rhabdomyolysis

🔷 Entry and exit wounds may appear small

🔷 Lightning causes massive sudden electrical discharge

🔷 Scene safety required before rescue

🔎 Assessment & Diagnostics

🔷 Assess burns, LOC, trauma, rhythm

🔷 ECG detects dysrhythmias after electrical exposure

🔷 CK ↑ indicates muscle breakdown

🔷 Dark urine suggests myoglobinuria

🔷 Neuro deficits may occur after injury

🔷 Check renal function and electrolytes

💊 Emergency / Medical Management

🔷 Disconnect power before touching patient

🔷 CPR if pulseless or apneic

🔷 IV fluids prevent renal damage

🔷 Treat burns with sterile dressings

🔷 Manage dysrhythmias per ACLS protocol

🔷 Fasciotomy if compartment syndrome develops

🩺 Nursing & Collaborative Management

🔷 Ensure scene safety before approach

🔷 Continuous cardiac monitoring initially

🔷 Monitor urine output and color

🔷 Assess hidden trauma from falls/blast

🔷 Provide pain control and wound care

🔷 Prepare burn/trauma transfer if severe

3️⃣2️⃣ ☠️ Poisoning & Toxicology Emergencies

🧬 Core Concepts & Priorities

🔷 Poisoning disrupts cellular/organ function

🔷 Routes: ingestion, inhalation, injection, absorption

🔷 Children risk accidental toxic exposure

🔷 Adults may present intentional self-poisoning

🔷 Airway and circulation remain first priorities

🔷 Toxidromes guide rapid treatment decisions

🔎 Assessment & Diagnostics

🔷 Assess substance, amount, time, route

🔷 Check pupils, skin, secretions, LOC

🔷 ECG detects QRS/QT changes

🔷 Glucose excludes hypoglycemia mimic

🔷 Toxicology screen supports identification

🔷 Acetaminophen level guides antidote therapy

💊 Emergency / Medical Management

🔷 Activated charcoal selected early ingestions

🔷 Naloxone reverses opioid toxicity

🔷 N-acetylcysteine treats acetaminophen poisoning

🔷 Atropine/pralidoxime treat organophosphate poisoning

🔷 Sodium bicarbonate treats TCA cardiotoxicity

🔷 Hemodialysis removes selected toxins

🩺 Nursing & Collaborative Management

🔷 Contact poison control promptly

🔷 Maintain airway and aspiration precautions

🔷 Monitor ECG and vital signs

🔷 Secure suicide precautions if intentional

🔷 Preserve containers or medication bottles

🔷 Document exposure history and interventions

3️⃣3️⃣ 💊 Drug Overdose Emergencies

🧬 Core Concepts & Priorities

🔷 Overdose overwhelms normal drug metabolism

🔷 CNS depression may impair airway protection

🔷 Stimulant overdose causes sympathetic crisis

🔷 Mixed overdoses complicate presentation/management

🔷 Intentional overdose requires suicide assessment

🔷 Delayed toxicity possible with extended-release drugs

🔎 Assessment & Diagnostics

🔷 Opioids: miosis, bradypnea, coma

🔷 Benzodiazepines: sedation, ataxia, slurred speech

🔷 Stimulants: hypertension, tachycardia, hyperthermia

🔷 Acetaminophen toxicity initially often asymptomatic

🔷 ECG identifies conduction abnormalities

🔷 Labs: drug levels, LFTs, renal function

💊 Emergency / Medical Management

🔷 ABC stabilization first priority

🔷 Naloxone for opioid respiratory depression

🔷 N-acetylcysteine for acetaminophen toxicity

🔷 Benzodiazepines treat stimulant agitation/seizures

🔷 Activated charcoal if appropriate timing

🔷 Hemodialysis for selected severe overdoses

🩺 Nursing & Collaborative Management

🔷 Monitor respiratory status continuously

🔷 Prepare airway support and suction

🔷 Assess suicide risk after stabilization

🔷 Institute safety precautions as needed

🔷 Monitor recurrent sedation after naloxone

🔷 Coordinate poison control/psychiatric referral

3️⃣4️⃣ 🐍 Snake Bites & Animal Bites

🧬 Core Concepts & Priorities

🔷 Bites may cause infection/envenomation

🔷 Snake venom may be neuro/hemotoxic

🔷 Animal bites risk rabies/tetanus

🔷 Delayed treatment increases complications

🔷 Children may deteriorate faster from venom

🔷 Wound contamination requires prompt cleaning

🔎 Assessment & Diagnostics

🔷 Fang marks, swelling, pain suggest envenomation

🔷 Ptosis/dysphagia suggest neurotoxic venom

🔷 Bleeding gums/hematuria suggest hemotoxic venom

🔷 Assess animal type/vaccination behavior

🔷 Labs: CBC, PT/INR, fibrinogen, creatinine

🔷 Monitor swelling progression and neuro signs

💊 Emergency / Medical Management

🔷 Immobilize bitten limb at heart level

🔷 Antivenom for systemic envenomation

🔷 Irrigate animal bites thoroughly

🔷 Amoxicillin/clavulanate for infected/high-risk bites

🔷 Rabies vaccine/immunoglobulin if indicated

🔷 Tetanus prophylaxis based immunization status

🩺 Nursing & Collaborative Management

🔷 Keep patient calm and still

🔷 Remove rings/tight clothing early

🔷 Do not cut suck ice tourniquet

🔷 Mark swelling borders with time

🔷 Monitor airway in neurotoxic bites

🔷 Coordinate rapid referral/animal reporting

3️⃣5️⃣ 🚨 Anaphylaxis & Severe Allergic Reactions

🧬 Core Concepts & Priorities

🔷 Anaphylaxis = life-threatening systemic hypersensitivity

🔷 Histamine release causes vasodilation/edema

🔷 Airway edema threatens oxygenation rapidly

🔷 Common triggers: foods, drugs, insect stings

🔷 Bronchospasm causes wheezing/dyspnea

🔷 Hypotension may progress to cardiac arrest

🔎 Assessment & Diagnostics

🔷 Urticaria, itching, flushing early signs

🔷 Facial/lip/tongue swelling concerning

🔷 Wheezing/stridor indicates airway compromise

🔷 Hypotension/tachycardia suggests shock

🔷 GI cramps vomiting may occur

🔷 Diagnosis clinical after allergen exposure

💊 Emergency / Medical Management

🔷 Epinephrine IM first-line lifesaving treatment

🔷 Oxygen and airway support immediately

🔷 IV fluids treat distributive hypotension

🔷 Diphenhydramine adjunct antihistamine therapy

🔷 Methylprednisolone reduces delayed inflammation

🔷 Albuterol nebulization relieves bronchospasm

🩺 Nursing & Collaborative Management

🔷 Administer epinephrine without delay

🔷 Monitor airway and SpO₂ continuously

🔷 Prepare intubation equipment if swelling worsens

🔷 Position supine unless severe dyspnea

🔷 Observe for biphasic reaction recurrence

🔷 Teach allergen avoidance and auto-injector use

Emergency nursing requires rapid critical thinking, advanced assessment skills, prioritization, technical competence, and coordinated multidisciplinary interventions to manage unstable patients experiencing acute physiologic deterioration, trauma, toxic exposure, cardiopulmonary compromise, neurologic emergencies, and multisystem crises. Nurses serve as frontline responders in triage, airway stabilization, hemorrhage control, resuscitation, emergency medication administration, trauma management, and continuous hemodynamic monitoring while ensuring patient safety, infection prevention, emotional support, and effective crisis communication during high-acuity situations. Mastery of emergency nursing strengthens clinical judgment in recognizing life-threatening conditions early, initiating time-sensitive interventions, interpreting emergency diagnostics, implementing evidence-based protocols, and improving survival outcomes across emergency departments, prehospital systems, critical care units, and disaster-response settings.