Transient Ischaemic Attack

Question 1

How do TIA present?

Answer 1

• unilateral weakness or sensory loss.
• aphasia or dysarthria
• ataxia, vertigo, or loss of balance
• visual problems
• homonymous hemianopia

Question 2

What is a TIA?

Answer 2

Brief period of neurological deficit due to focal brain, spinal cord or retinal ischaemia without infarction

Question 3

How should TIA be managed?

Answer 3

• Aspirin 300mg unless patient has a bleeding disorder/on anticoagulant
• Specialist review within 24 hours if suspected TIA in last 7 days
• Specialist review within 7 days if suspected TIA over 7 days ago
• No driving

Question 4

What is the investigation of choice for TIA?

Answer 4

• MRI with diffuse weighted imaging
• Carotid imaging

Question 5

What is secondary prevention for TIA?

Answer 5

• Clopidogrel/Aspirin + Dipyridamole
• Statins
• Cartoid endardectomy if >70% stenosis