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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.
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Imaging Studies I: CT and MRI01:14

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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.
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Computed Tomography (CT) scan:
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Imaging Studies for Cardiovascular System IV: CMRI01:21

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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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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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Magnetic Resonance Imaging01:24

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Imaging Studies VII: Vascular Imaging01:19

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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...
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Updated: Sep 6, 2025

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Imaging in headache disorders.

Jason C Ray1,2,3,4, Elspeth J Hutton1,2,3,4

  • 1Department of Neurology, Alfred Hospital.

Australian Prescriber
|June 27, 2022
PubMed
Summary
This summary is machine-generated.

Magnetic Resonance Imaging (MRI) is crucial for diagnosing intracranial pressure changes and trigeminal autonomic cephalgia. Clinical evaluation guides further headache disorder investigations, with incidental MRI findings noted in 2% of patients.

Keywords:
MRIheadachemigrainetrigeminal autonomic cephalgias

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Area of Science:

  • Neurology
  • Radiology
  • Neuroimaging

Background:

  • Headache diagnosis relies on clinical evaluation and neuroimaging.
  • Intracranial pressure changes and trigeminal autonomic cephalgia necessitate specific investigations.
  • Identifying 'red flags' is critical in headache patient assessment.

Purpose of the Study:

  • To outline the indications for Magnetic Resonance Imaging (MRI) in headache patients.
  • To emphasize the role of clinical assessment in guiding further diagnostic steps.
  • To report the incidence and significance of incidental findings on brain MRI.

Main Methods:

  • Review of clinical guidelines and diagnostic criteria for headache disorders.
  • Analysis of patient cases requiring neuroimaging for suspected intracranial pressure changes or trigeminal autonomic cephalgia.
  • Assessment of the frequency and clinical relevance of incidental MRI findings.

Main Results:

  • MRI is indicated for suspected intracranial pressure changes and trigeminal autonomic cephalgia.
  • Clinical evaluation determines the need for further investigation of other headache disorders.
  • Incidental findings on MRI are observed in approximately 2% of patients.
  • Patients with migraine show a higher incidence of white matter lesions of unclear significance.

Conclusions:

  • MRI is a key tool for specific neurological conditions presenting with headache.
  • A thorough clinical evaluation is essential for appropriate diagnostic pathway selection.
  • Incidental MRI findings, including white matter lesions in migraine patients, require careful interpretation regarding clinical significance.