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CPSA · OSCE station
Data interpretation
Interpret bloods, an ECG, imaging, or observations and act on the findings.
Interpret a stimulus (ECG, CXR, bloods, ABG) systematically and — crucially — act on it. A structured read of an abnormal result plus the right next step scores highest.
A structured approach
Read systematically
- 1State the basics first (patient details, date, quality/calibration)
- 2Use a fixed system: ECG → rate/rhythm/axis/intervals/segments; CXR → ABCDE; ABG → oxygenation/pH/resp/metabolic
- 3Describe the abnormality precisely before interpreting it
Act
- 1Give the most likely interpretation and a differential
- 2State the immediate management / escalation the finding demands
- 3Safety-net — what you’d monitor and re-check
What the examiner wants
- A systematic, reproducible reading (not just spotting the obvious)
- Correct interpretation of the key abnormality
- The appropriate action — this is where safety marks sit
- Recognition of the life-threatening finding first
OSCE tips
- Always “act on the finding” — a correct read with no plan under-scores.
- Have a fixed system for each modality and *say it out loud*.
- Spot the emergency first (STEMI, tension pneumothorax, K⁺ 7.0).
- Quote thresholds you know (e.g. hyperkalaemia management steps).
Marking domains
Every station is scored against these. The ones this type leans on most are highlighted.
Data gathering
Right questions, focused examination, relevant investigations.
Clinical reasoning & management
Plausible diagnosis, sensible investigations, safe evidence-based management.
Communication
Active listening, clear explanation, exploring concerns (ICE), shared decisions, safety-netting.
Professional behaviour
Rapport, respect, empathy, handling challenge, honesty.
Patient safety
Recognising and responding to safety-critical issues; escalation.
Topics that appear
ECG interpretationChest X-rayCTBlood resultsABGSpirometryGrowth chartsNEWS2 / observationsAlcohol units / pack-years / BMI
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