doppler sonography intracranial arteries; transcranial doppler ultrasonography (TCD)

Indications

• assessment of cerebrovascular disease
  • evaluation of embolic stroke
  • evaluation of stroke or TIA in sickle cell anemia

Clinical significance

• reproducible & noninvasive
• can detect flow abnormalities indicative of stroke before lesions are evident on MRA

More general terms

• doppler sonography/ultrasonography (DUS)

More specific terms

• doppler sonography for cerebral vasospasm
• transcranial doppler color ultrasonography (TCDD)