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Related Concept Videos

Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...

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Updated: May 8, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Acute stroke imaging: recent updates.

Prachi Dubey1, Sachin Pandey, Gul Moonis

  • 1Department of Radiology, University of Massachusetts Medical School, Worcestor, MA 01655, USA ; Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, USA.

Stroke Research and Treatment
|August 24, 2013
PubMed
Summary
This summary is machine-generated.

This review covers recent advances in acute ischemic stroke imaging, focusing on neuroimaging techniques like CT perfusion and MRI. It proposes an updated imaging strategy based on current evidence to improve patient outcomes.

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Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
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Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

Related Experiment Videos

Last Updated: May 8, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
09:21

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
06:45

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Acute ischemic stroke is a major cause of death and disability globally.
  • Neuroimaging is vital for prompt diagnosis and guiding treatment in stroke management.
  • Current imaging practices face debate, particularly regarding CT perfusion and MRI accessibility.

Purpose of the Study:

  • To review and synthesize recent developments in acute ischemic stroke imaging.
  • To address the ongoing scientific debate surrounding neuroimaging modalities.
  • To propose a novel imaging paradigm for acute stroke based on emerging evidence.

Main Methods:

  • Comprehensive literature review of recent studies on acute stroke imaging.
  • Analysis of current evidence on CT perfusion and MRI techniques.
  • Synthesis of findings to inform an updated imaging approach.

Main Results:

  • Recent evidence supports the utility of advanced neuroimaging in acute stroke assessment.
  • Debate continues regarding the optimal use and limitations of CT perfusion and MRI.
  • An evidence-based imaging paradigm is proposed to guide clinical practice.

Conclusions:

  • Acute ischemic stroke imaging is a rapidly evolving field with significant clinical impact.
  • An updated imaging strategy is necessary to leverage recent advancements.
  • The proposed paradigm aims to optimize diagnosis and therapeutic decisions in acute stroke.