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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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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 V: CT01:28

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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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Imaging Studies for Cardiovascular System III: X-Ray01:20

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
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Imaging Studies IV: Magnetic Resonance Imaging01:27

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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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Emergency Imaging in Pregnancy and Lactation.

Shobhit Mathur1, Ravishankar Pillenahalli Maheshwarappa2, Saman Fouladirad3

  • 1Department of Medical Imaging, St Michael's Hospital, University of Toronto, Ontario, Canada.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|March 12, 2020
PubMed
Summary

Radiologists guide safe and appropriate diagnostic imaging for pregnant and lactating patients, addressing risks of radiation, contrast media, and radiopharmaceuticals in emergencies.

Keywords:
contrastemergency imaginglactationpregnancyradiationsafety

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Area of Science:

  • Radiology
  • Emergency Medicine
  • Obstetrics

Background:

  • Diagnostic imaging use in emergency settings has surged.
  • Imaging pregnant and lactating patients presents unique challenges.
  • Radiologists play a key consultative role for referring physicians.

Purpose of the Study:

  • To review safety and appropriateness of imaging modalities for pregnant and lactating patients.
  • To discuss risks associated with ionizing radiation, contrast media, and radiopharmaceuticals.
  • To cover special considerations in emergency imaging for this population.

Main Methods:

  • Literature review of safety and appropriateness issues.
  • Discussion of various imaging modalities including ionizing radiation, MRI, and ultrasound.
  • Examination of contrast media (iodinated and gadolinium-based) and radiopharmaceuticals.
  • Inclusion of special considerations like trauma, claustrophobia, and adverse reactions.

Main Results:

  • Safety and appropriateness concerns vary across different imaging modalities.
  • Ionizing radiation, iodinated/gadolinium contrast media, and radiopharmaceuticals require careful consideration.
  • MRI and ultrasound have specific safety profiles and considerations.
  • Management of contrast extravasation and allergic reactions is crucial.

Conclusions:

  • Understanding risks and benefits of imaging tests is vital for pregnant and lactating patients.
  • Radiologists' consultation is essential for appropriate and safe emergency imaging.
  • Comprehensive review addresses key safety aspects and consent processes for these examinations.