Transient Ischaemic Attack (TIA)

Exam Cram

Outline

Background 

TIA definition: focal neurology lasts < 24hrs. As the symptoms have resolved, the main focus is on secondary prevention of a stroke.

Diagnosis

Diagnostic criteria: largely clinical diagnosis

• CT-H/ MRI -H may be normal

History:

Examination:

Scores

ABCD-2: predicts risk of developing future stroke

Factor 0 points 1 points 2 points

Age < 60yrs > 60yrs

BP < 140/90 > 140/90

Clinical Neither Speech deficit Unilateral weakness

Duration < 10 mins 10-59 mins > 60 mins

Diabetes Diabetes present

CHADVASc - 2 points for TIA

Ix

Differentials

Management

1. TIA Clinic, ABCD &CHADVASC score to assess requirement for long term anti-coagulation/ antiplatelets

Deeper Dive

References

1. https://www.strokeguideline.org/contents/?_gl=1*1w5hd3l*_up*MQ..*_ga*MTY3NTI1MjQ2LjE3MzkwMzM3NzU.*_ga_EE3BZMVLRT*MTczOTAzMzc3NC4xLjAuMTczOTAzMzc3NC4wLjAuMA..