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 R Carhuapoma, M.D.

Associate Professor of Neurology
Associate Professor of Anesthesiology and Critical Care Medicine
Associate Professor of Neurosurgery

 

Romergryko Guance Geocadin, M.D.

Co-Director, Johns Hopkins Encephalitis Center
Professor of Neurology
Joint Appointment in Medicine
Professor of Anesthesiology and Critical Care Medicine
Professor of Neurosurgery

 

Marek Alexander Mirski, M.D., Ph.D.

Vice-Chair, Department of Anesthesiology and Critical Care Medicine
Director, Johns Hopkins Neuroscience Critical Care Units
Chief, Division of Neuroanesthesiology
Co-Director, Johns Hopkins Comprehensive Stroke Center
Director of Neuroanesthesia and Critical Care Medicine Division
Professor of Anesthesiology and Critical Care Medicine
Professor of Neurology
Professor of Neurosurgery

 

Paul Alan Nyquist, M.D., M.P.H.

Co-Director, Johns Hopkins Bayview Neurocritical Care Unit
Professor of Neurology
Professor of Anesthesiology and Critical Care Medicine
Professor of Medicine
Professor of Neurosurgery

 

Robert David Stevens, M.D.

Director, Division of Informatics, Integration, and Innovation
Director, Anesthesiology and Critical Care Medicine Precision Medicine
Associate Director, Precision Medicine Center of Excellence
Associate Professor of Anesthesiology and Critical Care Medicine
Assistant Professor of Neurosurgery
Associate Professor of Biomedical Engineering
Associate Professor of Neurology
Associate Professor of Radiology and Radiological Science

 

Wendy Catharina Ziai, M.D., M.P.H.

Medical Director, Neurovascular Laboratory
Co-Director, Johns Hopkins Bayview Neurocritical Care Unit
Professor of Neurology
Professor of Anesthesiology and Critical Care Medicine
Professor of Neurosurgery