Neurology · UKMLA & AKT
Transient ischaemic attacks
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- TIA = focal neurological deficit resolving within 24 hours, without infarction on imaging - same mechanisms as ischaemic stroke but perfusion restored before irreversible neuronal death
- Crescendo TIA - two or more TIAs within one week; very high short-term stroke risk, treat with same urgency as acute stroke
Do NOT diagnose TIA if there was loss of consciousness or a convulsion - these point to seizure (Todd's paresis) or syncope. A TIA does not cause unconsciousness.
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