Related Experiment Video
Updated: Jun 25, 2026

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
Published on: June 2, 2023
[Ultrasound in acute ischemic stroke]
P Martínez-Sánchez1, G Tsivgoulis, A Lao
1Unidad de Ictus, Hospital Universitario La Paz, Universidad Autónoma de Madrid, Madrid. patrindalo@hotmail.com
Transcatheter Embolization (TCD) and carotid duplex ultrasound (CD) offer rapid, bedside evaluation for acute stroke patients in the Emergency Service. These ultrasound tests improve stroke mechanism determination, reperfusion strategies, and secondary prevention.
Area of Science:
- Neurology
- Vascular Neurology
- Emergency Medicine
Background:
- Cerebrovascular evaluation of stroke patients commonly utilizes ultrasound tests.
- However, Transcranial Doppler (TCD) and carotid duplex ultrasound (CD) are not routinely used within the initial hours of stroke onset in Emergency Services.
Purpose of the Study:
- To highlight the utility of Transcranial Doppler (TCD) and carotid duplex ultrasound (CD) for acute stroke evaluation in the Emergency Service.
- To emphasize their role in rapid patient assessment and treatment decisions.
Main Methods:
- Utilizing Transcranial Doppler (TCD) and carotid duplex ultrasound (CD) as portable, bedside diagnostic tools.
- Applying these ultrasound techniques for immediate evaluation of arterial patency in acute stroke patients.
Main Results:
- TCD and CD enable rapid, bedside assessment of stroke patients in the Emergency Service.
- These tests aid neurologists in determining stroke mechanisms, guiding reperfusion strategies (including after tPA administration), and secondary prevention.
- Ultrasound is effective in grading arterial patency severity and enhancing recanalization post-tPA.
Conclusions:
- Transcatheter Embolization (TCD) and carotid duplex ultrasound (CD) are valuable diagnostic tools for all acute stroke patients.
- Immediate arterial patency evaluation with these ultrasounds facilitates treatment selection and enhances reperfusion after tPA.
- Carotid and transcranial ultrasound are integral to vascular neurology training and clinical practice.
Related Concept Videos
Ischemic Stroke l: Introduction
Ischemic Stroke ll: Pathophysiology
Hemorrhagic Stroke ll: Pathophysiology
Hemorrhagic Stroke l: Introduction
Transient Ischemic Attack l: Introduction

