Emergency Medicine and Critical Care: Prioritization Under Uncertainty
What the candidate must understand
Emergency and critical care questions test prioritization: airway, breathing, circulation, disability, and exposure, followed by definitive care. Know the recognition and initial management of shock by category (hypovolemic, distributive, cardiogenic, obstructive), the reversible causes of cardiac arrest, the approach to altered consciousness, acute coronary syndrome, stroke within the thrombolysis window, anaphylaxis, and status epilepticus. In critical care, understand ventilator basics, sepsis bundles, acute respiratory distress syndrome, and the principles of sedation and analgesia.
Traps that appear in questions
- Ordering investigations before securing the airway or restoring perfusion.
- Missing obstructive shock causes, such as tension pneumothorax or cardiac tamponade, that require immediate procedures.
- Confusing the time windows for stroke thrombolysis and thrombectomy, or forgetting to check glucose before thrombolysis.
- Under-dosing adrenaline in anaphylaxis or giving it intramuscularly in the wrong site.
- Interpreting a single blood pressure without considering trends and perfusion markers.
Worked example: anaphylaxis
A patient develops urticaria, wheeze, and hypotension minutes after a drug infusion. The rule of thumb: intramuscular adrenaline into the anterolateral thigh is the first and most important action, repeated every 5 minutes if needed; remove the trigger, give oxygen and fluids, and add antihistamines and corticosteroids only as adjuncts. Never delay adrenaline for steroid administration.
Rule of thumb
In emergencies, ask what will kill the patient in the next 5 minutes and address that first; document the time of every intervention because time windows drive later decisions.