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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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 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

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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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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Nuclear Magnetic Resonance (NMR): Overview01:07

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Nuclear magnetic resonance (NMR) is a phenomenon exhibited by certain nuclei that can absorb characteristic radio frequency radiation under certain conditions. NMR has been extensively applied in molecular spectroscopy and medical diagnostic imaging. In both these applications, the molecule or subject under study is placed in a magnetic field and irradiated with radio frequency energy.
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Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
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Safety issues and updates under MR environments.

Soo Jung Kim1, Kyung Ah Kim1

  • 1Department of Radiology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

European Journal of Radiology
|March 8, 2017
PubMed
Summary
This summary is machine-generated.

Magnetic resonance (MR) imaging offers excellent soft tissue contrast but presents unique safety challenges. Regular updates on MR safety are crucial to prevent accidents and ensure patient and staff well-being.

Keywords:
Biologic effectsMagnetic fieldMagnetic resonance (MR)Safety

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Area of Science:

  • Radiology
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Magnetic resonance (MR) imaging is a vital diagnostic tool known for superior soft tissue contrast.
  • MR environments pose distinct risks compared to ionizing radiation from CT or X-rays.
  • Continuous technological advancements in MR systems, including stronger magnetic fields and RF coils, enhance image quality and reduce scan times.

Purpose of the Study:

  • To provide a comprehensive update on magnetic resonance (MR) safety.
  • To address new MR-related circumstances and potential hazards arising from technological evolution.
  • To ensure the safety of patients and staff in MR environments.

Main Methods:

  • Review of current literature and technological advancements in MR systems.
  • Analysis of evolving MR safety protocols and guidelines.
  • Identification of new and existing MR-related risks.

Main Results:

  • Rapid evolution of MR technology introduces novel safety concerns.
  • Higher field strengths improve diagnostic capabilities but may increase risks.
  • A comprehensive understanding of MR safety is essential for accident prevention.

Conclusions:

  • Updated knowledge of MR safety is imperative due to technological advancements.
  • Proactive safety measures are necessary to mitigate risks associated with modern MR systems.
  • Ensuring patient and staff safety requires continuous vigilance and adherence to updated protocols.