Johns Hopkins Neurovascular Laboratory

The Johns Hopkins Neurovascular Laboratory offers comprehensive, coordinated cerebrovascular tests for patients with intracranial or extracranial vessel disorders such as brain aneurysm causing subarachnoid hemorrhage, and stroke.

These non-invasive ultrasound studies are performed by highly qualified and experienced technologists and interpreted by neurologists with special expertise in stroke and neurovascular ultrasound.

Testing is performed at The Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center.

Why Choose Johns Hopkins

The Neurovascular Laboratory is equipped with state-of-the-art technology, including a portable MicroMaxx ultrasound system and Transcranial Doppler (TCD) scanners. Accredited by the Intersocietal Commission for the Accreditation of Vascular Laboratories (ICAVL), the Neurovascular Laboratory offers a range of procedures, including:

Transcranial Doppler
TCD-Bubble Test, PFO Detection
Carotid Doppler Ultrasound

Contact Us

For referrals or to learn more about the Neurovascular Laboratory, please call 410-955-7481.

Physicians and Staff

The laboratory is operated under the supervision of the Johns Hopkins Department of Anesthesiology and Critical Care Medicine and is staffed by registered vascular technologists.

Juan Ricardo Carhuapoma, MD
- Associate Professor of Neurology
Romer Geocadin, MD
- Co-Director, Johns Hopkins Encephalitis Center
- Professor of Neurology
Mark A. Mirski, MD PhD
- Vice-Chair, Department of Anesthesiology and Critical Care Medicine
- Professor of Anesthesiology and Critical Care Medicine
Paul A. Nyquist, MD MPH
- Co-Director, Johns Hopkins Bayview Neurocritical Care Unit
- Professor of Neurology
Robert David Stevens, MD MBA
- Director, Division of Informatics, Integration, and Innovation
- Associate Professor of Anesthesiology and Critical Care Medicine
Wendy C. Ziai, MD
- Medical Director, Neurovascular Laboratory
- Professor of Neurology