Question

A 57-year-old with suspected TIA (resolved unilateral weakness at 2 hours) arrives at 4 hours. CT head is normal. What is the most important next diagnostic step to reduce early recurrence?

Accepted Answer

MRI brain with diffusion-weighted imaging and vascular imaging

Answer

Routine EEG

Answer

Lumbar puncture

Answer

Tilt-table testing

Answer

Empiric warfarin for all TIAs

Practice question

A 57-year-old with suspected TIA (resolved unilateral weakness at 2 hours) arrives at 4 hours. CT head is normal. What is the most important next diagnostic step to reduce early recurrence?