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Related Concept Videos

Brain Imaging01:14

Brain Imaging

898
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...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Related Experiment Video

Updated: Mar 20, 2026

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

Published on: June 2, 2023

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Imaging in acute stroke.

Prasanna Eswaradass1, Ramana Appireddy1, James Evans1

  • 1a Calgary Stroke Program, Department of Clinical Neurosciences , University of Calgary , Calgary , AB , Canada.

Expert Review of Cardiovascular Therapy
|June 2, 2016
PubMed
Summary
This summary is machine-generated.

Advanced imaging techniques like CT scans are crucial for quickly identifying stroke patients eligible for treatments such as endovascular therapy (EVT). This improves decision-making in hyperacute stroke care.

Keywords:
CTangiographyimagingperfusionstrokethrombolysis

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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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Area of Science:

  • Neurology
  • Radiology
  • Emergency Medicine

Background:

  • Stroke is a leading cause of death and disability in Canada.
  • Hyperacute stroke management requires time-critical treatment decisions.
  • Advances in medical imaging aid in selecting patients for acute stroke interventions.

Purpose of the Study:

  • To review the role of CT imaging in acute stroke assessment.
  • To discuss Non-Contrast Computed Tomography (NCCT), CT-Angiography (CTA), and CT-Perfusion (CTP) in evaluating ischemic stroke and intracerebral hemorrhage.
  • To highlight the importance of imaging in patient selection for reperfusion therapies.

Main Methods:

  • Review of current literature on CT imaging modalities for stroke.
  • Discussion of the application of NCCT, CTA, and CTP in hyperacute stroke.
  • Analysis of imaging's role in recent clinical trials for endovascular therapy (EVT).

Main Results:

  • Intravenous thrombolysis (tPA) was the standard for acute ischemic stroke within 4.5 hours.
  • Five recent trials demonstrated the efficacy of EVT for acute ischemic stroke with proximal arterial occlusion.
  • Imaging was pivotal for patient selection in all five major EVT trials.

Conclusions:

  • CT imaging (NCCT, CTA, CTP) is essential for diagnosing and managing acute ischemic stroke and intracerebral hemorrhage.
  • EVT has emerged as a key treatment for specific acute ischemic stroke patients, with imaging guiding selection.
  • Continued advancements in imaging technology will further enhance rapid clinical assessment and timely stroke treatment.