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Special Applications
Certain conditions require special studies, and the Noninvasive Vascular Laboratory at USC University Hospital is equipped to perform these tests. For example, in addition to the evaluation of the cervical carotid arteries, physicians may separately order a Transcranial Doppler (TCD) exam for specific intracranial cerebral vascular indications. The TCD utilizes Doppler velocity spectral analysis to assess intracranial vessels of the anterior, posterior and ophthalmic circulations.
Certain peripheral arterial conditions require special testing, such as provocative exams, evaluation of hemodialysis grafts and the penile circulatory system.
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