Pinnacle is proud to provide Transcranial Doppler as one of our outsourced services. 

Transcranial Doppler (TCD) is a noninvasive ultrasound technology used to evaluate blood flow velocity in the major basal intracranial arteries. TCD may be used on its own or in conjunction with other imaging modalities. A thorough neurovascular exam should include TCD, as carotid obstructions seen with duplex imaging may have significant intracranial effects that should be considered in patient management decisions. Current applications of TCD include:

1. Detection and monitoring of vasospasm following aneurysmal subarachnoid hemorrhage.
2. Screening for basilar artery stenosis.
3. Diagnosis of intracranial stenosis and occlusion
4. Evaluation of intracranial effects of extracranial stenosis, including assessment of collateral flow pathways.
5. Support of the diagnosis of brain death.
6. Screening of children with sickle cell anemia to establish stroke risk
7. Assessment of arteriovenous malformations and fistulas

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This page was last updated on 09/09/03 .