Respiratory 8 Minutes Chloe Evans, 26 yo (Emergency Department)

Acute Exacerbation of Asthma / Dyspnoea

Candidate Instructions: Chloe Evans, 26, presents to Acute Admissions with acute breathlessness and wheezing after an upper respiratory infection. Take a focused history, assess asthma severity, and explain immediate steps.

Examiner Marking Checklist

Severity Assessment

  • ✓ Assess speech: Complete sentences vs short phrases vs monosyllabic
  • ✓ Inquire about peak expiratory flow (PEF) percentage baseline
  • ✓ Past ITU admissions or intubations for asthma
  • ✓ Current oral steroid use or frequent rescue inhaler usage

Trigger & Symptom History

  • ✓ Preceding viral coryzal symptoms, fever, sore throat
  • ✓ Allergen exposure (pets, pollen, dust, occupational)
  • ✓ Nocturnal cough and diurnal peak flow variation
  • ✓ Chest tightness and sputum colour

Critical Red Flags

  • ⚠ Silent chest on auscultation (life-threatening asthma)
  • ⚠ Cyanosis, exhaustion, altered mental status, or bradycardia
  • ⚠ PEF < 33% of predicted or personal best

Post-Station Examiner Questions

Examiner: "What are the criteria for life-threatening asthma in an adult?"
Model Answer: Silent chest, cyanosis, poor respiratory effort, PEF < 33%, SpO2 < 92%, exhaustion, confusion, or normal/elevated PaCO2 on ABG.
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