Posterior circulation stroke — MCCQE Part 1 MCQ
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Correct answer: C — Activate stroke assessment with urgent neuroimaging and specialist input
Activate stroke assessment with urgent neuroimaging and specialist input is the single best answer because the age, timing, examination findings and investigations in the vignette fit Posterior circulation stroke better than the alternatives. The most tempting distractor is less appropriate because it either treats a neighbouring presentation, delays a time-critical intervention, or ignores a key discriminator in the stem. The remaining options are suboptimal because they would miss the diagnosis, use an investigation or treatment in the wrong sequence, or fail to address safety and follow-up. Canadian practice should be anchored to Canadian Stroke Best Practices, with attention to acuity, safety-netting and local provincial pathways.
Reference: Canadian Stroke Best Practices