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Related Concept Videos

Brain Imaging01:14

Brain Imaging

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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 III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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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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Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Related Experiment Video

Updated: Apr 12, 2026

Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping
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Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping

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Coma and cerebral imaging.

Walter F Haupt1, Hans Christian Hansen2, Rudolf W C Janzen3

  • 1Department of Neurology, University of Cologne, Kerpener St. 62, 50937 Cologne, Germany.

Springerplus
|May 19, 2015
PubMed
Summary
This summary is machine-generated.

Cerebral imaging aids in understanding coma by revealing structural brain changes and functional impairments. Advanced MRI techniques may offer more detailed insights into coma

Keywords:
Brain deathBrain diseaseComaComputed tomography (CT)Functional Magnetic Resonance Imaging (fMRI)Magnetic Resonance Imaging (MRI)

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Area of Science:

  • Neurology
  • Radiology
  • Critical Care Medicine

Background:

  • Coma is a critical care challenge with limited understanding of its correlation with cerebral imaging.
  • Consciousness relies on specific cerebral structures, and lesions can impair this function.

Purpose of the Study:

  • To synthesize information on coma and related states using various cerebral imaging modalities.
  • To contextualize imaging findings within clinical knowledge of coma.

Main Methods:

  • Review of existing literature on cerebral imaging methods and their application to coma.
  • Description of anatomical structures and pathological mechanisms leading to coma.
  • Discussion of structural and functional imaging techniques.

Main Results:

  • Structural imaging identifies space-occupying lesions, herniation, and diffuse brain swelling in coma patients.
  • Functional imaging detects brain dysfunction, aiding in assessing damage extent and prognosis.
  • Epileptic states causing coma are typically not visualized by standard imaging, requiring EEG.

Conclusions:

  • Cerebral imaging is crucial for diagnosing structural brain changes in coma.
  • Functional imaging offers valuable prognostic information.
  • Future MRI techniques like spectroscopy and diffusion tensor imaging hold promise for enhanced functional assessment.