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:
- Premedication
- Induction agent
- Neuromuscular blocker
- 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:
- Fluids
- Insulin
- 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:
- Stabilize myocardium
- Shift potassium intracellularly
- 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:
- Airway stabilization
- Breathing support
- Circulation stabilization
- Decontamination
- Antidote administration
- 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)
- Defibrillate
- CPR
- Epinephrine
- Amiodarone
Anaphylaxis
- IM Epinephrine
- Oxygen
- IV fluids
- Antihistamines
- Steroids
DKA
- IV Fluids
- Potassium check
- Insulin infusion
- 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:
- Beta-blocker (Propranolol)
- Antithyroid drug
- Iodine
- 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:
- Early empiric therapy
- Source control
- Culture-guided de-escalation
- 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:
- Rapid recognition
- Immediate stabilization
- Targeted pharmacologic intervention
- Continuous reassessment
- 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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