What investigations are essential?

Recommendations 5.1.1

A. Every patient who has had a stroke or TIA and in whom secondary prevention is appropriate should be investigated for risk factors as soon as possible and certainly within 1 week of onset. At a minimum, this includes checking for:

What other investigations might be needed?

B. For patients who have had an ischaemic stroke or TIA the following risk factors should also be checked for:

In any patient where no common cause is identified, fuller investigation for other rare causes should be undertaken.