DRUGS USED IN EMERGENCY MEDICINE (Comprehensive Academic Review

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Drugs used in emergency

 


1. INTRODUCTION TO EMERGENCY PHARMACOLOGY

Emergency medicine involves rapid diagnosis and immediate pharmacologic intervention to prevent morbidity and mortality. Drugs used in emergency settings must:

  • Act rapidly
  • Have predictable pharmacokinetics
  • Be titratable
  • Be safe under critical conditions
  • Be available in parenteral formulations

Emergency drugs are used in:

  • Cardiac arrest
  • Shock
  • Respiratory failure
  • Status epilepticus
  • Anaphylaxis
  • Acute coronary syndrome
  • Poisoning
  • Trauma
  • Hypertensive emergencies
  • Severe asthma
  • Sepsis

2. CLASSIFICATION OF DRUGS USED IN EMERGENCY

I. Cardiovascular Emergency Drugs

  • Vasopressors
  • Inotropes
  • Antiarrhythmics
  • Antihypertensives
  • Thrombolytics
  • Antiplatelets
  • Anticoagulants

II. Respiratory Emergency Drugs

  • Bronchodilators
  • Corticosteroids
  • Oxygen therapy drugs

III. CNS Emergency Drugs

  • Anticonvulsants
  • Sedatives
  • Rapid sequence intubation agents
  • Osmotic agents

IV. Anaphylaxis & Allergy Drugs

  • Epinephrine
  • Antihistamines
  • Steroids

V. Toxicology & Antidotes

  • Naloxone
  • Atropine
  • N-acetylcysteine
  • Activated charcoal

VI. Analgesics & Sedation

  • Opioids
  • NSAIDs
  • Ketamine
  • Propofol

3. DRUGS USED IN CARDIAC ARREST

Cardiac arrest management follows ACLS guidelines by the American Heart Association.

3.1 EPINEPHRINE

Class:

Sympathomimetic (Alpha & Beta adrenergic agonist)

Mechanism of Action:

  • Alpha-1 → Vasoconstriction → ↑ Coronary & cerebral perfusion
  • Beta-1 → ↑ Heart rate & contractility
  • Beta-2 → Bronchodilation

Dose in Cardiac Arrest:

  • 1 mg IV/IO every 3–5 minutes

Indications:

  • Asystole
  • Pulseless Electrical Activity (PEA)
  • Ventricular fibrillation (after defibrillation)

Adverse Effects:

  • Tachyarrhythmias
  • Hypertension
  • Myocardial ischemia

Clinical Pearl:

Early administration improves ROSC but not necessarily neurological outcome.


3.2 AMIODARONE

Class:

Class III Antiarrhythmic

Mechanism:

  • Potassium channel blockade → prolongs action potential
  • Also blocks sodium & calcium channels

Dose:

  • 300 mg IV bolus for refractory VF/pVT
  • Followed by 150 mg if needed

Indications:

  • Ventricular fibrillation
  • Pulseless ventricular tachycardia

Side Effects:

  • Hypotension
  • Bradycardia
  • QT prolongation

3.3 ATROPINE

Class:

Anticholinergic (Muscarinic antagonist)

Mechanism:

Blocks vagal influence → increases heart rate

Dose:

  • 1 mg IV every 3–5 min
  • Max 3 mg

Indication:

  • Symptomatic bradycardia

4. DRUGS USED IN SHOCK

Shock is classified into:

  • Hypovolemic
  • Cardiogenic
  • Septic
  • Anaphylactic
  • Neurogenic

4.1 NOREPINEPHRINE

Class:

Potent alpha-1 agonist

Mechanism:

  • Vasoconstriction → ↑ systemic vascular resistance
  • Mild beta-1 stimulation

Dose:

0.05–1 mcg/kg/min IV infusion

First-line in:

  • Septic shock

Side Effects:

  • Peripheral ischemia
  • Arrhythmias

4.2 DOPAMINE

Dose-dependent effects:

Dose Effect
Low Renal vasodilation
Moderate ↑ Contractility
High Vasoconstriction

Now used less due to arrhythmia risk.


5. DRUGS USED IN ANAPHYLAXIS

5.1 EPINEPHRINE (IM)

Dose:

0.3–0.5 mg IM (1:1000)

Life-saving effects:

  • Bronchodilation
  • Vasoconstriction
  • Decreases airway edema

5.2 ANTIHISTAMINES

Example:

  • Diphenhydramine

Dose:

25–50 mg IV


5.3 HYDROCORTISONE

Dose:

100–200 mg IV

Prevents biphasic reaction.


6. DRUGS USED IN STATUS EPILEPTICUS


6.1 LORAZEPAM

Class:

Benzodiazepine

Mechanism:

Enhances GABA-A receptor

Dose:

0.1 mg/kg IV


6.2 PHENYTOIN

Dose:

20 mg/kg IV loading


7. DRUGS USED IN ACUTE CORONARY SYNDROME

Guidelines by European Society of Cardiology.


MONA Protocol

  • Morphine
  • Oxygen
  • Nitroglycerin
  • Aspirin

7.1 ASPIRIN

Dose:

300 mg chewed

Mechanism:

COX inhibition → ↓ Thromboxane A2


8. RAPID SEQUENCE INTUBATION (RSI) DRUGS

Rapid Sequence Intubation is performed to secure the airway in:

  • Trauma
  • GCS ≤ 8
  • Respiratory failure
  • Status epilepticus
  • Severe shock

RSI involves:

  1. Premedication
  2. Induction agent
  3. Neuromuscular blocker
  4. Post-intubation sedation

8.1 INDUCTION AGENTS


8.1.1 ETOMIDATE

Class:

Non-barbiturate hypnotic

Mechanism:

Enhances GABA-A receptor activity

Dose:

0.3 mg/kg IV

Advantages:

  • Hemodynamically stable
  • Rapid onset (30–60 sec)
  • Short duration (3–5 min)

Disadvantage:

  • Adrenal suppression (11β-hydroxylase inhibition)

Preferred in:

  • Trauma
  • Hypotensive patients

8.1.2 PROPOFOL

Mechanism:

GABA potentiation

Dose:

1–2 mg/kg IV

Effects:

  • Hypotension
  • Respiratory depression
  • Anti-emetic property

Avoid in shock.


8.1.3 KETAMINE

Class:

NMDA receptor antagonist

Dose:

1–2 mg/kg IV

Advantages:

  • Preserves airway reflexes
  • Bronchodilator
  • Increases BP & HR

Preferred in:

  • Asthma
  • Hypotension

8.2 NEUROMUSCULAR BLOCKING AGENTS


8.2.1 SUCCINYLCHOLINE

Class:

Depolarizing NM blocker

Dose:

1–1.5 mg/kg IV

Onset:

45–60 sec

Contraindications:

  • Hyperkalemia
  • Burns >24h
  • Neuromuscular disease

8.2.2 ROCURONIUM

Class:

Non-depolarizing NM blocker

Dose:

1.2 mg/kg IV (RSI dose)

Longer duration than succinylcholine.


9. SEDATION & ANALGESIA IN EMERGENCY


9.1 FENTANYL

Class:

Opioid analgesic

Dose:

1–2 mcg/kg IV

Advantages:

  • Rapid onset
  • Minimal histamine release

9.2 MIDAZOLAM

Dose:

0.05–0.1 mg/kg IV

Used for:

  • Procedural sedation
  • Seizures
  • Intubation

10. HYPERTENSIVE EMERGENCY DRUGS

Hypertensive emergency: BP >180/120 with target organ damage.

Guidelines by American College of Cardiology.


10.1 LABETALOL

Mechanism:

Alpha + Beta blocker

Dose:

20 mg IV bolus

Safe in:

  • Stroke
  • Pregnancy

10.2 NICARDIPINE

Class:

Calcium channel blocker

Dose:

5 mg/hr IV infusion

Preferred in:

  • Neuro emergencies

11. ACUTE SEVERE ASTHMA


11.1 SALBUTAMOL (ALBUTEROL)

Mechanism:

Beta-2 agonist → bronchodilation

Dose:

2.5–5 mg nebulized


11.2 IPATR0PIUM

Class:

Anticholinergic bronchodilator


11.3 MAGNESIUM SULFATE

Dose:

2 g IV over 20 min

Used in:

  • Severe refractory asthma

12. SEPSIS & SEPTIC SHOCK

Guidelines by Surviving Sepsis Campaign.


12.1 BROAD-SPECTRUM ANTIBIOTICS

Examples:

  • Piperacillin-tazobactam
  • Meropenem
  • Vancomycin

Administer within 1 hour.


12.2 VASOPRESSORS

First-line: Norepinephrine

Add: Vasopressin if refractory


13. POISONING & ANTIDOTES


13.1 NALOXONE

Mechanism:

Opioid receptor antagonist

Dose:

0.4–2 mg IV

Reverses:

  • Morphine
  • Heroin
  • Fentanyl overdose

13.2 ATROPINE (Organophosphate poisoning)

High-dose repeated administration.


13.3 N-ACETYLCYSTEINE

Used in: Paracetamol overdose


14. ADVANCED ANTIARRHYTHMIC DRUGS

Arrhythmias are managed according to ACLS algorithms by the American Heart Association.


14.1 ADENOSINE

Class:

Class V antiarrhythmic

Mechanism:

  • Activates A1 receptors in AV node
  • Transient AV nodal block
  • Interrupts re-entrant circuits

Dose:

  • 6 mg rapid IV push
  • If no response → 12 mg

Indication:

  • Paroxysmal Supraventricular Tachycardia (PSVT)

Side Effects:

  • Flushing
  • Chest tightness
  • Transient asystole (seconds)

Clinical Pearl:

Must be given rapidly followed by saline flush.


14.2 LIDOCAINE

Class:

Class IB antiarrhythmic

Mechanism:

Sodium channel blockade

Dose:

1–1.5 mg/kg IV bolus

Use:

Alternative for ventricular arrhythmias.


15. THROMBOLYTIC DRUGS

Used in:

  • STEMI
  • Ischemic stroke
  • Massive pulmonary embolism

Guidelines by European Society of Cardiology.


15.1 ALTEPLASE (tPA)

Mechanism:

Converts plasminogen → plasmin → dissolves clot

Stroke Dose:

0.9 mg/kg IV (max 90 mg)

Time Window:

Within 4.5 hours of symptom onset

Major Risk:

Intracranial hemorrhage


16. ANTICOAGULANTS IN EMERGENCY


16.1 HEPARIN (Unfractionated)

Mechanism:

Activates antithrombin III

Indications:

  • Acute coronary syndrome
  • Pulmonary embolism
  • DVT

16.2 ENOXAPARIN

Low molecular weight heparin.


17. DIABETIC EMERGENCIES


17.1 DIABETIC KETOACIDOSIS (DKA)

Management principles:

  1. Fluids
  2. Insulin
  3. Potassium correction

INSULIN (Regular)

Dose:

0.1 units/kg/hr IV infusion

Key Point:

Never start insulin if K⁺ < 3.3 mEq/L.


18. ELECTROLYTE EMERGENCIES


18.1 HYPERKALEMIA

Life-threatening due to arrhythmias.

Treatment Protocol:

  1. Stabilize myocardium
  2. Shift potassium intracellularly
  3. Remove potassium

CALCIUM GLUCONATE

Dose: 10 mL of 10% IV over 5–10 min

Protects cardiac membrane.


INSULIN + DEXTROSE

Shifts potassium intracellularly.


SODIUM BICARBONATE

Used in:

  • Metabolic acidosis
  • Severe hyperkalemia

19. OBSTETRIC EMERGENCIES


19.1 ECLAMPSIA

First-line treatment:

MAGNESIUM SULFATE

Dose:

4 g IV loading + infusion

Prevents seizures.


19.2 POSTPARTUM HEMORRHAGE (PPH)

OXYTOCIN

Stimulates uterine contraction.


20. PEDIATRIC EMERGENCY DRUGS

Pediatric dosing is weight-based.

Guidelines by American Academy of Pediatrics.


Common Pediatric Emergency Drugs:

Drug Dose
Epinephrine 0.01 mg/kg
Atropine 0.02 mg/kg
Adenosine 0.1 mg/kg
Lorazepam 0.1 mg/kg

21. EMERGENCY DRUG CALCULATIONS

Infusion Formula:


\text{Rate} = \frac{\text{Dose} \times \text{Weight} \times 60}{\text{Concentration}}

22. COMPLETE CRASH CART ESSENTIAL DRUGS

Cardiovascular:

  • Epinephrine
  • Amiodarone
  • Atropine
  • Adenosine

Airway:

  • Etomidate
  • Ketamine
  • Succinylcholine
  • Rocuronium

Shock:

  • Norepinephrine
  • Dopamine

CNS:

  • Lorazepam
  • Midazolam
  • Phenytoin

Others:

  • Magnesium sulfate
  • Calcium gluconate
  • Sodium bicarbonate
  • Naloxone

23. ADVANCED TOXICOLOGY IN EMERGENCY MEDICINE

Poisoning cases are common in emergency departments, especially in South Asia, including Pakistan, where organophosphate and pharmaceutical overdoses are frequently encountered.

Management principles:

  1. Airway stabilization
  2. Breathing support
  3. Circulation stabilization
  4. Decontamination
  5. Antidote administration
  6. Enhanced elimination

23.1 ORGANOPHOSPHATE POISONING

Common in agricultural exposure.

Mechanism:

  • Acetylcholinesterase inhibition
  • Excess acetylcholine accumulation

Clinical Features (SLUDGE):

  • Salivation
  • Lacrimation
  • Urination
  • Diarrhea
  • GI cramps
  • Emesis

ATROPINE (High Dose Protocol)

Mechanism:

Muscarinic receptor antagonist

Dose:

2–5 mg IV every 5 min until atropinization

End points:

  • Dry chest
  • HR > 80
  • Improved BP

PRALIDOXIME (2-PAM)

Mechanism:

Reactivates acetylcholinesterase

Most effective within first 24 hours.


23.2 OPIOID OVERDOSE

Primary drug: Naloxone (covered earlier)

Monitor for:

  • Re-sedation
  • Withdrawal symptoms

23.3 BENZODIAZEPINE OVERDOSE

FLUMAZENIL

Mechanism:

GABA-A antagonist

Caution:

May precipitate seizures.

Avoid in chronic BZD users.


23.4 CARBON MONOXIDE POISONING

Treatment:

  • 100% oxygen
  • Hyperbaric oxygen (if severe)

24. SNAKE BITE MANAGEMENT

Common in rural regions.

ANTI-SNAKE VENOM (ASV)

Indications:

  • Neurotoxicity
  • Coagulopathy
  • Progressive swelling

Administer slowly IV with monitoring.


25. TRAUMA PHARMACOLOGY


25.1 TRANEXAMIC ACID (TXA)

Mechanism:

Inhibits fibrinolysis

Dose:

1 g IV over 10 min
Followed by 1 g over 8 hours

Must be given within 3 hours of trauma.


25.2 MASSIVE TRANSFUSION PROTOCOL

Ratio: 1:1:1

  • Packed RBC
  • Plasma
  • Platelets

26. BLOOD PRODUCTS IN EMERGENCY


26.1 PACKED RED BLOOD CELLS

Indication: Hb < 7 g/dL (or shock)


26.2 FRESH FROZEN PLASMA (FFP)

Used in:

  • Coagulopathy
  • Liver failure

26.3 PLATELETS

Indicated if: Platelets < 10,000 or active bleeding.


27. ICU SEDATION STRATEGIES

Guidelines from Society of Critical Care Medicine.

Goals:

  • RASS score 0 to -2
  • Daily sedation interruption

27.1 DEXMEDETOMIDINE

Mechanism:

Alpha-2 agonist

Advantages:

  • Minimal respiratory depression
  • Cooperative sedation

28. BURNS MANAGEMENT DRUGS


28.1 FLUID RESUSCITATION

Parkland Formula: 4 mL × kg × %TBSA

Use: Ringer’s Lactate


28.2 SILVER SULFADIAZINE

Topical antimicrobial.


29. RENAL EMERGENCIES


29.1 ACUTE PULMONARY EDEMA

FUROSEMIDE

Dose:

20–40 mg IV


30. ADVANCED PHARMACOKINETICS IN CRITICAL ILLNESS

Critical illness alters:

  • Volume of distribution
  • Protein binding
  • Hepatic metabolism
  • Renal clearance

Example: Hypoalbuminemia → ↑ free drug fraction

Sepsis → augmented renal clearance


31. COMPARATIVE EMERGENCY DRUG TABLE (SUMMARY)

Emergency First-Line Drug Alternative
Cardiac arrest Epinephrine Vasopressin
SVT Adenosine Verapamil
Anaphylaxis Epinephrine IM
DKA Insulin
Hyperkalemia Calcium gluconate Calcium chloride
Septic shock Norepinephrine Dopamine

32. NEUROCRITICAL CARE DRUGS

Neurological emergencies require rapid pharmacologic intervention to prevent secondary brain injury. Key goals:

  • Maintain cerebral perfusion pressure (CPP)
  • Reduce intracranial pressure (ICP)
  • Prevent seizures
  • Control blood pressure appropriately

Guidance from the American Association of Neurological Surgeons and international neurocritical care bodies informs practice.


32.1 RAISED INTRACRANIAL PRESSURE (ICP)

A. MANNITOL

Class: Osmotic diuretic
Dose: 0.25–1 g/kg IV bolus
Mechanism:

  • Increases plasma osmolality
  • Draws water from brain parenchyma

Monitoring:

  • Serum osmolality (<320 mOsm/kg)
  • Renal function

B. HYPERTONIC SALINE (3% / 7.5%)

Mechanism:

  • Osmotic gradient reduces cerebral edema

Preferred in:

  • Hypotensive patients (does not cause diuresis like mannitol)

32.2 STATUS EPILEPTICUS (REFRACTORY)

If benzodiazepines fail:

  • Levetiracetam
  • Valproate
  • Phenobarbital

LEVETIRACETAM

Dose: 60 mg/kg IV (max 4500 mg)


33. STROKE BLOOD PRESSURE MANAGEMENT

Guidelines from the European Stroke Organisation.

Ischemic Stroke (no tPA):

Treat only if BP > 220/120.

If thrombolysis planned:

Maintain BP < 185/110.

Preferred agents:

  • Labetalol
  • Nicardipine

34. MECHANICAL VENTILATION DRUGS

Sedation goals:

  • Patient comfort
  • Ventilator synchrony
  • Avoid oversedation

34.1 ANALGESIA-FIRST STRATEGY

FENTANYL INFUSION

1–2 mcg/kg/hr


34.2 SEDATION

PROPOFOL INFUSION

5–50 mcg/kg/min

Risk:

  • Propofol infusion syndrome (PRIS)

34.3 PARALYSIS (IF REQUIRED)

CISATRACURIUM

Used in:

  • ARDS
  • Severe ventilator dyssynchrony

35. PEDIATRIC RESUSCITATION ADVANCED PRINCIPLES

Guidelines by American Academy of Pediatrics.

Key differences from adults:

  • Higher respiratory causes of arrest
  • Weight-based dosing mandatory
  • Broselow tape recommended

Example: Epinephrine dose = 0.01 mg/kg IV (1:10,000)


36. GERIATRIC EMERGENCY PHARMACOLOGY

Elderly patients have:

  • Reduced renal clearance
  • Increased drug sensitivity
  • Polypharmacy interactions

High-risk drugs:

  • Benzodiazepines
  • Anticholinergics
  • Opioids

Use lower starting doses.


37. DRUG INTERACTIONS IN EMERGENCY

Examples:

Combination Risk
Amiodarone + QT drugs Torsades
ACE inhibitors + K⁺ Hyperkalemia
Opioids + Benzodiazepines Respiratory depression

38. EMERGENCY DRUG STORAGE & CRASH CART DESIGN

Standards recommended by the World Health Organization.

Crash cart organization:

Drawer 1 – Airway drugs
Drawer 2 – Cardiac drugs
Drawer 3 – IV access supplies
Drawer 4 – Pediatric drugs

Temperature control: 15–25°C

Monthly inventory checks required.


39. WHO ESSENTIAL EMERGENCY MEDICINES

Key emergency drugs listed:

  • Epinephrine
  • Atropine
  • Diazepam
  • Morphine
  • Magnesium sulfate
  • Oxytocin
  • Naloxone
  • Insulin

These are especially critical in low-resource settings.


40. ALGORITHM-BASED DRUG FLOWCHARTS

Cardiac Arrest (VF/pVT)

  1. Defibrillate
  2. CPR
  3. Epinephrine
  4. Amiodarone

Anaphylaxis

  1. IM Epinephrine
  2. Oxygen
  3. IV fluids
  4. Antihistamines
  5. Steroids

DKA

  1. IV Fluids
  2. Potassium check
  3. Insulin infusion
  4. Monitor anion gap

41. HIGH-YIELD EXAM TABLE (MBBS / FCPS / USMLE)

Emergency First Drug Dose Key Point
Asystole Epinephrine 1 mg Every 3–5 min
SVT Adenosine 6 mg Rapid IV push
Anaphylaxis Epinephrine IM 0.5 mg Lateral thigh
Eclampsia MgSO₄ 4 g IV Seizure prevention
Hyperkalemia Ca Gluconate 10 mL Cardiac protection
Opioid OD Naloxone 0.4–2 mg Repeat dosing

42. FUTURE DIRECTIONS IN EMERGENCY PHARMACOLOGY

  • Point-of-care pharmacogenomics
  • Ultrasound-guided drug titration
  • AI-driven dosing calculators
  • Target-controlled infusions


43. ADVANCED HEMODYNAMIC SUPPORT PHARMACOLOGY

In critically ill patients, drug selection must be individualized based on:

  • Cardiac output
  • Systemic vascular resistance
  • Lactate levels
  • Echocardiographic findings
  • Invasive monitoring

Modern management integrates bedside ultrasound and arterial waveform analysis.


43.1 VASOPRESSIN

Class: Non-adrenergic vasopressor
Mechanism: V1 receptor stimulation → intense vasoconstriction

Dose: 0.03 units/min (fixed dose)

Use:

  • Septic shock refractory to norepinephrine
  • Adjunct in cardiac arrest

Clinical Insight:
Unlike catecholamines, vasopressin works in acidotic states where adrenergic receptors are less responsive.


43.2 DOBUTAMINE

Class: Beta-1 agonist (Inotrope)
Dose: 2–20 mcg/kg/min

Indications:

  • Cardiogenic shock
  • Low cardiac output state
  • Septic shock with myocardial depression

Risk: Hypotension due to vasodilation


44. ACUTE RESPIRATORY DISTRESS SYNDROME (ARDS) PHARMACOLOGY

Guidelines influenced by the Society of Critical Care Medicine.

Key Pharmacologic Strategies:

  • Lung-protective ventilation (non-drug but essential)
  • Conservative fluid management
  • Neuromuscular blockade (early severe ARDS)
  • Corticosteroids (selected cases)

44.1 METHYLPREDNISOLONE

Dose varies (e.g., 1–2 mg/kg/day)

Reduces inflammatory lung injury in selected ARDS cases.


45. ACID–BASE EMERGENCIES


45.1 SEVERE METABOLIC ACIDOSIS

Drug: Sodium bicarbonate (already discussed)

Indications:

  • pH < 7.1
  • Severe hyperkalemia
  • TCA overdose

Caution:

Excess bicarbonate → paradoxical intracellular acidosis.


46. HYPONATREMIA MANAGEMENT


46.1 SEVERE SYMPTOMATIC HYPONATREMIA

Drug: Hypertonic saline (3%)

Dose:

100 mL bolus over 10 minutes

Correction Limit:

≤ 8–10 mEq/L in 24 hours
(To prevent osmotic demyelination)


47. ENDOCRINE EMERGENCIES


47.1 THYROID STORM

Treatment Protocol:

  1. Beta-blocker (Propranolol)
  2. Antithyroid drug
  3. Iodine
  4. Steroids

PROPRANOLOL

Dose: 1 mg IV slowly

Reduces peripheral T4 → T3 conversion.


47.2 MYXEDEMA COMA

Drugs:

  • IV Levothyroxine
  • Hydrocortisone

48. HEMATOLOGICAL EMERGENCIES


48.1 THROMBOTIC THROMBOCYTOPENIC PURPURA (TTP)

Treatment:

  • Plasma exchange
  • Steroids

Drug: Rituximab (in refractory cases)


49. MALIGNANT HYPERTHERMIA

Triggered by:

  • Succinylcholine
  • Volatile anesthetics

DANTROLENE

Mechanism: Blocks calcium release from sarcoplasmic reticulum.

Dose: 2.5 mg/kg IV repeated as needed.


50. DISASTER & MASS CASUALTY PHARMACOLOGY

In disasters:

  • Triage-based drug allocation
  • Emphasis on life-saving drugs
  • Simplified dosing

Essential emergency kit includes:

  • Epinephrine
  • Naloxone
  • Antibiotics
  • Analgesics
  • IV fluids
  • TXA

WHO emergency medical kits recommended by World Health Organization.


51. ETHICAL CONSIDERATIONS IN EMERGENCY DRUG USE

  • Consent often implied
  • Life-saving drugs prioritized
  • Off-label drug use common
  • Resource limitation triage

52. PHARMACOGENOMICS IN EMERGENCY

Emerging concept:

  • CYP450 variations affect drug metabolism
  • Clopidogrel resistance
  • Opioid metabolism differences

Future emergency care may include bedside genetic testing.


53. DRUG DOSING IN SPECIAL SITUATIONS


53.1 OBESITY

Lipophilic drugs → dose by total body weight
Hydrophilic drugs → adjusted body weight


53.2 RENAL FAILURE

Avoid accumulation:

  • Morphine metabolites
  • LMWH

53.3 LIVER FAILURE

Reduced metabolism:

  • Benzodiazepines
  • Sedatives

54. POINT-OF-CARE ULTRASOUND GUIDED PHARMACOLOGY

Example:

  • Fluid responsiveness assessment before vasopressors
  • Cardiac output monitoring for inotrope titration

Integration of pharmacology with bedside imaging improves outcomes.


55. ADVANCED COMPARATIVE TABLE (ULTRA-HIGH YIELD)

Condition Drug of Choice Mechanism Key Danger
Septic Shock Norepinephrine α1 agonist Peripheral ischemia
Cardiogenic Shock Dobutamine β1 agonist Hypotension
ARDS Cisatracurium NM blockade Prolonged weakness
Thyroid Storm Propranolol β-blocker Bradycardia
Hyperkalemia Ca Gluconate Membrane stabilization Tissue necrosis (extravasation)
Malignant Hyperthermia Dantrolene ↓ Ca release Hepatotoxicity

56. MASTER REVISION SUMMARY

Emergency pharmacology revolves around:

  • Rapid onset
  • Parenteral routes
  • Titration
  • Reversibility
  • Monitoring

Core Life-Saving Drugs:

  • Epinephrine
  • Norepinephrine
  • Atropine
  • Adenosine
  • Amiodarone
  • Magnesium sulfate
  • Calcium gluconate
  • Naloxone
  • Insulin
  • TXA
  • Oxytocin


57. EXTRACORPOREAL LIFE SUPPORT (ECLS) & PHARMACOLOGY

Extracorporeal Membrane Oxygenation (ECMO) is increasingly used in refractory cardiac arrest and severe respiratory failure.

Guidance frameworks align with principles from the Extracorporeal Life Support Organization.


57.1 ANTICOAGULATION DURING ECMO

UNFRACTIONATED HEPARIN

Goal: Prevent circuit thrombosis
Monitoring: aPTT or anti-Xa
Risk: Heparin-induced thrombocytopenia (HIT)


57.2 SEDATION IN ECMO

High drug sequestration occurs in ECMO circuits.

Drugs commonly used:

  • Propofol
  • Midazolam
  • Fentanyl

Dose adjustments are often required due to increased volume of distribution.


58. ECPR (EXTRACORPOREAL CPR)

Used in refractory cardiac arrest.

Pharmacologic considerations:

  • Continue epinephrine
  • Correct acidosis
  • Avoid excessive vasoconstrictor doses once ECMO flow established

59. ADVANCED CARDIOGENIC SHOCK PROTOCOL

Modern cardiogenic shock management integrates:

  • Inotropes
  • Vasopressors
  • Mechanical support

59.1 MILRINONE

Class: PDE-3 inhibitor
Effect: ↑ cAMP → ↑ contractility + vasodilation

Preferred in:

  • Right ventricular failure
  • Pulmonary hypertension

Risk:

  • Hypotension

60. PULMONARY EMBOLISM – ADVANCED PHARMACOLOGY

High-risk (massive) PE requires:

  • Thrombolysis
  • Vasopressor support
  • Consider ECMO

TENECTEPLASE

Single IV bolus dosing.
Higher fibrin specificity than alteplase.


61. CYTOKINE STORM & IMMUNOLOGIC EMERGENCIES

Seen in:

  • Severe sepsis
  • Autoimmune crises
  • Certain viral infections

TOCILIZUMAB

Class: IL-6 receptor antagonist
Used in selected inflammatory crises.


62. ACUTE HEART FAILURE PHARMACOLOGY


62.1 NITROGLYCERIN

Mechanism: Venodilation → ↓ preload
High doses → arterial dilation

Used in:

  • Pulmonary edema
  • Hypertensive emergency with heart failure

63. ADVANCED TOXICOLOGY – CARDIOTOXIC DRUGS


63.1 TRICYCLIC ANTIDEPRESSANT (TCA) OVERDOSE

Treatment: Sodium bicarbonate bolus

Mechanism:

  • Narrows QRS
  • Corrects acidosis

63.2 BETA-BLOCKER OVERDOSE

Treatment:

  • Glucagon
  • High-dose insulin euglycemic therapy

GLUCAGON

Bypasses beta receptors → increases heart rate.


64. HIGH-DOSE INSULIN EUGLYCEMIC THERAPY (HIET)

Used in:

  • Calcium channel blocker overdose
  • Beta blocker overdose

Mechanism: Improves myocardial carbohydrate utilization.

Requires:

  • Continuous glucose monitoring
  • Potassium monitoring

65. SEVERE HYPOTHERMIA

Drug considerations:

  • Avoid aggressive epinephrine until warmed
  • Reduced metabolism of sedatives

Rewarming is primary treatment.


66. HYPERTHERMIA & HEAT STROKE

Treatment:

  • Rapid cooling
  • IV fluids

Avoid:

  • Antipyretics (ineffective)

67. EMERGENCY ANTIBIOTIC STRATEGY (SEPSIS EXPANSION)

Broad spectrum coverage:

  • Gram positive
  • Gram negative
  • Anaerobes

Examples:

  • Meropenem
  • Vancomycin
  • Piperacillin-tazobactam

De-escalation after culture results.


68. POINT-OF-CARE REVERSAL AGENTS


68.1 ANDexanet Alfa

Reversal of factor Xa inhibitors.


68.2 IDARUCIZUMAB

Reversal of dabigatran.


69. EMERGENCY DRUG ERRORS & SAFETY

Common causes:

  • Similar ampoule appearance
  • Calculation errors
  • Pediatric misdosing

Prevention:

  • Double-check protocol
  • Pre-printed dosing charts
  • Color-coded syringes

70. RESEARCH FRONTIERS IN EMERGENCY PHARMACOLOGY

Emerging developments:

  • Selective vasopressin analogues
  • Novel synthetic oxygen carriers
  • AI-driven titration pumps
  • Targeted nanomedicine delivery

MASTER ULTRA-ADVANCED SUMMARY TABLE

System Critical Drug Advanced Consideration
Shock Norepinephrine Add vasopressin if refractory
Cardiogenic Dobutamine Consider mechanical support
PE Tenecteplase Monitor bleeding risk
TCA OD Sodium bicarbonate Monitor QRS duration
BB overdose Glucagon + HIET ICU monitoring required
ECMO Heparin Anti-Xa guided dosing

71. TOXIC ALCOHOL POISONING

Common agents:

  • Methanol
  • Ethylene glycol

Metabolized by alcohol dehydrogenase → toxic metabolites.


71.1 FOMEPIZOLE

Mechanism: Alcohol dehydrogenase inhibitor
Dose: 15 mg/kg IV loading

Prevents formation of:

  • Formic acid (methanol)
  • Glycolic/oxalic acid (ethylene glycol)

Alternative:

Ethanol infusion (competitive substrate).


72. ADVANCED HEMOSTATIC PHARMACOLOGY

Used in:

  • Trauma
  • Surgical bleeding
  • Anticoagulant reversal

72.1 PROTHROMBIN COMPLEX CONCENTRATE (PCC)

Contains:

  • Factors II, VII, IX, X

Used for:

  • Warfarin reversal
  • Life-threatening bleeding

Acts faster than FFP.


73. MYASTHENIC CRISIS

Autoimmune neuromuscular emergency.

Treatment:

  • Airway protection
  • IVIG
  • Plasmapheresis

73.1 NEOSTIGMINE (Diagnostic Use)

Mechanism: Inhibits acetylcholinesterase → ↑ acetylcholine.

Used cautiously.


74. CHOLINERGIC VS MYASTHENIC CRISIS DIFFERENTIATION

Cholinergic crisis:

  • Excess secretions
  • Bradycardia
  • Diarrhea

Treatment: Atropine.


75. BIOLOGICAL & CHEMICAL EXPOSURE EMERGENCIES

Preparedness recommendations align with the World Health Organization.


75.1 CYANIDE POISONING

Occurs in:

  • Smoke inhalation
  • Industrial exposure

HYDROXOCOBALAMIN

Mechanism: Binds cyanide → forms cyanocobalamin (excreted)

Preferred over older nitrite-thiosulfate kits.


76. RADIATION EMERGENCIES


POTASSIUM IODIDE

Mechanism: Blocks radioactive iodine uptake by thyroid.

Time-sensitive administration.


77. TRANSPLANT-RELATED EMERGENCIES

Acute rejection or infection.

Emergency drugs:

  • High-dose corticosteroids
  • Tacrolimus adjustments

78. ADVANCED ELECTROLYTE MANAGEMENT


78.1 SEVERE HYPOCALCEMIA

CALCIUM CHLORIDE

More potent than calcium gluconate.

Used in:

  • Cardiac arrest
  • Severe hypocalcemia

79. PRECISION RESUSCITATION & TARGETED PHARMACOLOGY

Modern ICU integrates:

  • Lactate-guided vasopressor titration
  • Echocardiography-based inotrope selection
  • Goal-directed therapy

80. SEPSIS – IMMUNOMODULATION FRONTIER

Emerging therapies:

  • Cytokine adsorption filters
  • Immunoglobulin therapy
  • Precision antibiotics

81. GENE-BASED THERAPIES (FUTURE)

Potential emergency use in:

  • Inherited metabolic crises
  • Rapid enzyme replacement

Still experimental.


82. DRUG STABILITY & STORAGE IN EXTREME ENVIRONMENTS

Important for:

  • Military medicine
  • Disaster zones
  • Rural Pakistan & remote settings

Key principles:

  • Temperature-controlled storage
  • Protection from light
  • Avoid freezing biologics

83. COMPREHENSIVE SYSTEM-BASED FINAL MASTER TABLE

System Emergency Drug Key Action
CNS Raised ICP Mannitol Osmotic shift
CVS Shock Norepinephrine Vasoconstriction
Respiratory Asthma Salbutamol Bronchodilation
Endocrine DKA Insulin Stops ketogenesis
Toxicology Opioid OD Naloxone Receptor blockade
Hematology Warfarin bleed PCC Factor replacement
Chemical Cyanide Hydroxocobalamin Binds cyanide
Electrolyte Hyperkalemia Calcium Stabilizes myocardium

85. CARDIO-OBSTETRIC EMERGENCIES

Pregnancy alters pharmacokinetics:

  • ↑ Plasma volume
  • ↓ Albumin
  • ↑ Renal clearance
  • Altered drug distribution

Management principles align with global maternal emergency recommendations from the World Health Organization.


85.1 PERIPARTUM CARDIOMYOPATHY

Acute heart failure in late pregnancy/postpartum.

Pharmacologic Strategy:

  • Diuretics (Furosemide)
  • Vasodilators (Hydralazine)
  • Beta-blockers
  • Anticoagulation (if EF severely reduced)

ACE inhibitors contraindicated during pregnancy but allowed postpartum.


85.2 AMNIOTIC FLUID EMBOLISM (AFE)

Rare but catastrophic.

Treatment:

  • Vasopressors
  • Massive transfusion
  • Oxygenation

Drug support:

  • Norepinephrine
  • Epinephrine (if arrest)

86. NEUROVASCULAR CATASTROPHES


86.1 SUBARACHNOID HEMORRHAGE (SAH)

Prevention of vasospasm:

NIMODIPINE

Class: Dihydropyridine calcium channel blocker
Dose: 60 mg orally every 4 hours

Reduces delayed cerebral ischemia.


86.2 INTRACEREBRAL HEMORRHAGE (ICH)

BP control critical:

  • Labetalol
  • Nicardipine

Reversal if anticoagulated:

  • PCC
  • Vitamin K

87. MASSIVE TRANSFUSION – ADVANCED CONCEPTS

Guidance aligns with trauma care standards from the American College of Surgeons.


87.1 CALCIUM REPLACEMENT DURING TRANSFUSION

Citrate in blood products chelates calcium.

Drug:

Calcium chloride (preferred in severe shock).


87.2 FIBRINOGEN REPLACEMENT

Cryoprecipitate indicated when fibrinogen <150 mg/dL.


88. METABOLIC COLLAPSE SYNDROMES


88.1 REFEDING SYNDROME

Occurs in malnourished patients.

Electrolyte shifts:

  • Hypophosphatemia
  • Hypokalemia
  • Hypomagnesemia

Treatment: Gradual feeding + electrolyte correction.


88.2 LACTIC ACIDOSIS (SEVERE)

Treat underlying cause:

  • Sepsis → antibiotics
  • Shock → vasopressors

Bicarbonate reserved for extreme acidosis.


89. HYPERGLYCEMIC HYPEROSMOLAR STATE (HHS)

Similar to DKA but:

  • No significant ketosis
  • Profound dehydration

Treatment:

  • IV fluids
  • Insulin infusion
  • Electrolyte monitoring

90. EMERGENCY ANTIMICROBIAL STRATEGY

Broad-spectrum initiation is common, but stewardship is critical.

Principles:

  1. Early empiric therapy
  2. Source control
  3. Culture-guided de-escalation
  4. Avoid unnecessary prolonged therapy

Common ER combinations:

  • Piperacillin-tazobactam + Vancomycin
  • Meropenem (if resistant risk)

91. ANTIFUNGAL EMERGENCIES


91.1 INVASIVE CANDIDIASIS

CASPOFUNGIN

Echinocandin class.

Preferred in unstable ICU patients.


92. ANTIVIRAL EMERGENCIES


92.1 HERPES ENCEPHALITIS

Drug: Acyclovir IV

Early treatment reduces mortality.


93. SIMULATION-BASED EMERGENCY PHARMACOLOGY

Modern training uses:

  • High-fidelity mannequins
  • Drug calculation drills
  • Code blue simulations

Enhances:

  • Dosing accuracy
  • Team coordination
  • Error reduction

94. CLINICAL PHARMACODYNAMICS UNDER STRESS STATES

Shock alters:

  • Receptor responsiveness
  • Drug absorption (IM unreliable in shock)
  • Hepatic metabolism

Example: Epinephrine less effective in severe acidosis.


95. DRUG DELIVERY ROUTES IN EMERGENCY

Route Indication
IV Most common
IO Cardiac arrest
IM Anaphylaxis
Endotracheal Limited drugs (NAVEL: Naloxone, Atropine, Vasopressin, Epinephrine, Lidocaine)

96. SPECIAL POPULATION – IMMUNOCOMPROMISED PATIENT

High suspicion for:

  • Fungal infections
  • Atypical organisms

Empiric therapy broadened accordingly.


97. ADVANCED REVISION TABLE – SYSTEM FAILURE APPROACH

Failure Primary Drug Adjunct
Cardiac arrest Epinephrine Amiodarone
Septic shock Norepinephrine Vasopressin
Raised ICP Mannitol Hypertonic saline
SAH Nimodipine BP control
Massive bleed TXA PCC
BB overdose Glucagon HIET

98. GLOBAL EMERGENCY MEDICINE PERSPECTIVE

Low-resource settings require:

  • Essential drug prioritization
  • Cost-effective alternatives
  • Simplified dosing charts
  • Stable storage conditions

Critical in regions with limited ICU access.


99. ETHICAL TRIAGE & DRUG ALLOCATION

In mass casualty events:

  • Prioritize survivable cases
  • Use limited high-cost drugs judiciously
  • Maintain transparency in allocation

101. PHARMACOLOGY IN PATIENTS WITH CARDIAC DEVICES

Increasing numbers of emergency patients have:

  • Permanent pacemakers
  • Implantable cardioverter defibrillators (ICDs)
  • Left ventricular assist devices (LVADs)

Management principles align with contemporary cardiac device guidance from the American College of Cardiology.


101.1 ICD STORM (Electrical Storm)

Defined as ≥3 episodes of ventricular tachycardia/fibrillation in 24 hours.

Pharmacologic Strategy:

  • Amiodarone IV
  • Beta-blockers (e.g., esmolol infusion)
  • Magnesium sulfate (if torsades suspected)

ESMOLOL

Class: Ultra-short acting beta-1 blocker
Use: Rapid titration in arrhythmic storms
Advantage: Very short half-life (~9 minutes)


102. LVAD PATIENT EMERGENCY PHARMACOLOGY

Key principles:

  • Patients may not have palpable pulse
  • Doppler BP measurement required
  • Anticoagulation typically ongoing (warfarin)

Drug Considerations:

  • Avoid hypotension (maintain MAP 70–90 mmHg)
  • Rapid reversal of anticoagulation if bleeding (PCC + Vitamin K)

103. ACUTE ADRENAL CRISIS

Life-threatening endocrine emergency.

Triggers:

  • Infection
  • Stress
  • Sudden steroid withdrawal

HYDROCORTISONE (High Dose)

Dose: 100 mg IV bolus, then 200 mg/day infusion

Correct:

  • Hypotension
  • Hypoglycemia
  • Electrolyte imbalance

104. ACUTE PORPHYRIA ATTACK

Rare but serious metabolic crisis.

Treatment: Hemin infusion

Precipitated by:

  • Certain drugs (barbiturates, sulfonamides)

105. RARE BUT CRITICAL TOXICOLOGICAL EMERGENCIES


105.1 METHEMOGLOBINEMIA

Caused by:

  • Nitrates
  • Certain medications

Symptoms:

  • Cyanosis unresponsive to oxygen
  • Chocolate-colored blood

METHYLENE BLUE

Dose: 1–2 mg/kg IV

Mechanism: Reduces Fe³⁺ to Fe²⁺ in hemoglobin.


106. PROCEDURAL EMERGENCY PHARMACOLOGY


106.1 CHEST TUBE INSERTION ANALGESIA

Options:

  • Ketamine
  • Fentanyl
  • Local anesthetic (lidocaine)

LIDOCAINE (Local)

Dose depends on body weight.
Max dose without epinephrine: 4.5 mg/kg.


107. SEDATION FOR ELECTRICAL CARDIOVERSION

Preferred drugs:

  • Propofol
  • Etomidate

Short duration required.


108. MILITARY & TACTICAL EMERGENCY PHARMACOLOGY

Common scenarios:

  • Blast injuries
  • Chemical exposure
  • Massive hemorrhage

Essential drugs in combat kits:

  • TXA
  • Morphine or fentanyl
  • Epinephrine auto-injector
  • Atropine + Pralidoxime kits

Guided by battlefield trauma principles consistent with international defense medical protocols.


109. ALTITUDE & ENVIRONMENTAL EMERGENCIES


109.1 HIGH-ALTITUDE CEREBRAL EDEMA (HACE)

Drug: Dexamethasone


DEXAMETHASONE

Reduces cerebral edema in altitude sickness.


110. SYSTEMS-BASED EMERGENCY DRUG DEPLOYMENT

Hospital emergency systems require:

  • Standardized drug trays
  • Color-coded labeling
  • Barcode medication verification
  • Automated dispensing systems

111. HUMAN FACTORS & PHARMACOLOGY

Major causes of medication error:

  • Fatigue
  • Cognitive overload
  • Similar packaging
  • Stress during resuscitation

Solutions:

  • Pre-filled syringes
  • Checklists
  • Closed-loop communication

112. EMERGENCY PHARMACOECONOMICS

In low-resource settings:

  • Cost-effective alternatives preferred
  • Generic drugs prioritized
  • Essential drug lists implemented

Balancing cost with survival benefit is critical.


113. RESEARCH EVOLUTION IN RESUSCITATION SCIENCE

Current investigations include:

  • Epinephrine timing optimization
  • Vasopressin-steroid combinations
  • Neuroprotective agents post-ROSC
  • Oxygen titration to avoid hyperoxia

114. ARTIFICIAL INTELLIGENCE IN DRUG TITRATION

Future emergency systems may use:

  • AI-based vasopressor titration
  • Automated insulin algorithms
  • Closed-loop sedation systems

115. COMPLETE ULTRA-ADVANCED MASTER TABLE

Emergency First Drug Advanced Option Monitoring
Adrenal Crisis Hydrocortisone Vasopressors BP, glucose
ICD Storm Amiodarone Esmolol Continuous ECG
Methemoglobinemia Methylene blue Exchange transfusion SpO₂, ABG
SAH Nimodipine Endovascular therapy Neuro status
Porphyria Hemin Glucose loading Pain control
HACE Dexamethasone Descent ICP symptoms


DRUGS USED IN EMERGENCY MEDICINE

Comprehensive Academic Review – Part 11

(Ultra-Advanced Resuscitation Science, Special Crisis Pharmacology, Peri-Arrest Optimization, Biomarker-Guided Therapy, Nanomedicine & Translational Emergency Pharmacology)


116. PERI-ARREST PHARMACOLOGY

Peri-arrest state refers to patients who are critically unstable and at imminent risk of cardiac arrest.

Clinical markers:

  • Severe hypotension
  • Rising lactate
  • Altered mentation
  • Progressive hypoxia

Guideline principles align with advanced resuscitation frameworks from the American Heart Association.


116.1 PRE-EMPTIVE VASOPRESSOR STRATEGY

Instead of waiting for arrest:

  • Early norepinephrine infusion
  • Low-dose vasopressin adjunct
  • Avoid excessive fluid overload

Goal: Maintain MAP ≥ 65 mmHg (individualized in chronic hypertensives).


117. POST-RESUSCITATION PHARMACOLOGY

After Return of Spontaneous Circulation (ROSC):

Goals:

  • Prevent secondary brain injury
  • Stabilize hemodynamics
  • Prevent arrhythmias
  • Avoid hyperoxia & hyperglycemia

117.1 TARGETED TEMPERATURE MANAGEMENT (TTM)

Pharmacologic considerations:

  • Increased sedation needs
  • Shivering control

Drugs used:

  • Propofol
  • Fentanyl
  • Magnesium sulfate
  • Neuromuscular blockers

118. SHIVERING CONTROL PROTOCOL


118.1 MEPPERIDINE

Suppresses shivering reflex.

Caution: Neurotoxicity in renal failure.


119. BIOMARKER-GUIDED DRUG TITRATION

Modern emergency care increasingly uses biomarkers:

Biomarker Guides
Lactate Vasopressor titration
Procalcitonin Antibiotic duration
Troponin Cardiac injury severity
BNP Heart failure therapy

Precision dosing reduces overtreatment.


120. SEPSIS – STEROID AUGMENTATION

In refractory septic shock:

Low-dose corticosteroids recommended by the Surviving Sepsis Campaign.


HYDROCORTISONE (Septic Shock)

200 mg/day IV infusion

Reduces vasopressor requirements.


121. ACUTE PANCREATITIS – EMERGENCY PHARMACOLOGY

Primarily supportive:

  • Aggressive IV fluids
  • Analgesia (opioids)
  • Antiemetics

Antibiotics only if infected necrosis suspected.


122. HEPATIC FAILURE & ENCEPHALOPATHY


LACTULOSE

Mechanism: Reduces ammonia absorption.

Dose titrated to 2–3 soft stools/day.


123. RARE ELECTROPHYSIOLOGIC EMERGENCIES


123.1 TORSADES DE POINTES

Drug of choice: Magnesium sulfate IV bolus.

If unstable: Defibrillation.


124. ADVANCED PHARMACOLOGY IN ACUTE STROKE INTERVENTION

Bridging therapy:

  • IV thrombolysis
  • Mechanical thrombectomy

BP tightly controlled during reperfusion.


125. DRUG DOSING IN EXTREME OBESITY

Challenges:

  • Altered distribution
  • Lipophilic drug accumulation

Example: Propofol loading dose may require total body weight; maintenance adjusted.


126. PEDIATRIC SHOCK – ADVANCED

Fluid responsiveness cautious in:

  • Dengue shock
  • Malnutrition

Inotropes often started earlier.


127. NANOMEDICINE & FUTURE EMERGENCY THERAPIES

Emerging areas:

  • Nanoparticle-delivered thrombolytics
  • Targeted anti-inflammatory agents
  • Artificial oxygen carriers

Potential to revolutionize trauma care.


128. TRANSLATIONAL RESEARCH IN RESUSCITATION

Investigational agents:

  • Selective beta-2 agonists for cardiac arrest
  • Neuroprotective peptides
  • Mitochondrial stabilizers

Still experimental.


129. EMERGENCY DRUG SCORING SYSTEMS

Tools to predict severity:

  • SOFA score
  • APACHE II
  • qSOFA

These influence drug intensity and ICU decisions.


130. ULTRA-HIGH-YIELD SYSTEM FAILURE MATRIX

System Failure Core Drug Backup Monitoring
Cardiogenic Shock Dobutamine Milrinone Echo, MAP
Septic Shock Norepinephrine Vasopressin Lactate
Raised ICP Hypertonic saline Mannitol Osmolality
Anaphylaxis IM Epinephrine IV infusion Airway
BB Overdose Glucagon HIET Glucose
Methemoglobinemia Methylene blue Exchange transfusion ABG

131. COMPLETE INTEGRATED EMERGENCY PHARMACOLOGY FRAMEWORK

Emergency drug management revolves around:

  1. Rapid recognition
  2. Immediate stabilization
  3. Targeted pharmacologic intervention
  4. Continuous reassessment
  5. Prevention of secondary injury

The pharmacology must always integrate with:

  • Airway management
  • Hemodynamic monitoring
  • Laboratory evaluation
  • Imaging
  • Definitive procedural care

GRAND MASTER CONSOLIDATION

This multi-part academic compendium has now covered:

  • Foundational emergency drugs
  • Advanced ICU pharmacology
  • Toxicology & antidotes
  • Obstetric & pediatric crises
  • ECMO & ECPR integration
  • Disaster & chemical exposure
  • Transfusion medicine
  • Neurovascular emergencies
  • Rare metabolic & endocrine crises
  • Military & environmental pharmacology
  • AI & future precision resuscitation
  • Translational research & nanomedicine


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