A 70-year-old with atrial fibrillation develops sudden right arm weakness and slurred speech 90 minutes ago. What is the most likely diagnosis?
Answer and explanation
Correct answer: B. Acute ischaemic stroke
- Step 1: The picture of a sudden focal deficit in a patient with atrial fibrillation fits Acute ischaemic stroke.
Answer
Acute ischaemic stroke.
Why not the others: 'Intracerebral haemorrhage': haemorrhage shows blood on CT and often severe headache and vomiting. 'Hypoglycaemia': low glucose mimics stroke and corrects with dextrose. 'Todd paralysis': weakness follows a witnessed seizure and recovers.
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