Transcranial Doppler (TCD) is a non-invasive ultrasound ... helping diagnose conditions linked to cryptogenic strokes. • Monitoring for Vasospasm: TCD is the gold standard for detecting ...

and daily transcranial Doppler imaging. A cerebral angiogram shows no evidence of an aneurysm, arteriovenous malformation (AVM), or vasospasm. She remains neurologically intact during her SICU ...