cerebrovascular: TCD

What are the capabilities and limitations of Transcranial Doppler?

• Intracranial stenosis and occlusions

• Assess for collateral circulation

• Evidence of vasospasm due to hemorrhage

• All of the above

What is the frequency of the non-imaging PW doppler unit used in Transcranial Doppler?

• 2MHz

• 1MHz

• 3MHz

• 4MHz

Which of the following is a window used in Transcranial Doppler?

• Transorbital

• Transtemporal

• Transformenal

• All of the above

Identify the arteries labeled in the diagram associated with Transcranial Doppler.

• ACA, MCA, PCA, ICA, Basilar

• ACA, PCA, ICA, Basilar, Vertebral

• MCA, PCA, ICA, Basilar, Vertebral

• ACA, MCA, ICA, Basilar, Vertebral

What is the window type for the ACA vessel?

• Transtemporal

• Transorbital

• Suboccipital

• Transnasal

What is the depth for the MCA vessel?

• <60mm

• 60-80mm

• 80-100mm

• >100mm

What is the angle for the Terminal ICA vessel?

• Anterior/Inferior

• Posterior/Superior

• Lateral/Medial

• Superior/Inferior

What is the direction for the PCA vessel?

• Ante / Towards

• Retro / Away

• Lateral

• Medial

What is the window type for the Ophthalmic vessel?

• Transorbital

• Suboccipital

• Transtemporal

• Transcranial

What is the depth for the ICA syphon vessel?

• >60mm

• <50mm

• 50-60mm

• 40-50mm