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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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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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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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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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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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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Imaging Gently.

Amy L Puchalski1, Christyn Magill1

  • 1Department of Emergency Medicine, Division of Pediatric Emergency Medicine, Carolinas Medical Center, Levine Children's Hospital, 1000 Blythe Boulevard, Charlotte, NC 28203, USA.

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Summary
This summary is machine-generated.

Medical imaging advances aid pediatric emergency care. However, radiation risks from X-rays, CT scans, and fluoroscopy necessitate careful consideration and judicious use by clinicians.

Keywords:
Computed tomography (CT) utilizationImagingIonizing radiation

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Area of Science:

  • Pediatric emergency medicine
  • Radiology
  • Medical imaging safety

Background:

  • Medical imaging is crucial for diagnosing pediatric patients in emergency settings.
  • Imaging modalities utilizing ionizing radiation, including radiography, computed tomography (CT), and fluoroscopy, carry inherent risks.
  • Balancing diagnostic benefits against radiation exposure is a key challenge.

Purpose of the Study:

  • To review the evidence on the risks associated with ionizing radiation from medical imaging in children.
  • To discuss clinical situations where judicious imaging is paramount.
  • To highlight the clinician's role in optimizing imaging study utilization.

Main Methods:

  • Literature review of studies examining radiation risks in pediatric medical imaging.
  • Analysis of clinical scenarios requiring diagnostic imaging in emergent pediatric care.
  • Discussion of evidence-based guidelines and best practices for radiation safety.

Main Results:

  • Evidence supports the existence of risks associated with ionizing radiation exposure in pediatric imaging.
  • Certain clinical scenarios present a higher benefit-risk ratio for imaging.
  • Clinician judgment is critical in determining the necessity and type of imaging study.

Conclusions:

  • The benefits of medical imaging in pediatric emergencies must be weighed against radiation risks.
  • Judicious use of imaging studies, guided by clinical expertise, is essential.
  • Further research and adherence to safety protocols can minimize potential harm from radiation.