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Related Concept Videos

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

Imaging Studies for Cardiovascular System III: X-Ray

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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.
Definition and Purpose
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 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 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 II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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 Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
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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: Oct 29, 2025

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Imaging in the COVID-19 era: Lessons learned during a pandemic.

Georgios Antonios Sideris1, Melina Nikolakea2, Aikaterini-Eleftheria Karanikola2

  • 1Department of Radiology, University of Massachusetts Medical School, Baystate Medical Center, Springfield, MA 01199, United States.

World Journal of Radiology
|July 12, 2021
PubMed
Summary

The first year of the COVID-19 pandemic significantly impacted radiology, altering workflows and infection control. This review covers imaging

Keywords:
Artificial intelligenceCOVID-19Computed tomographyDiagnostic imagingInfectious diseasesRadiography

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Area of Science:

  • Radiology and Medical Imaging
  • Infectious Diseases
  • Public Health

Background:

  • The COVID-19 pandemic presented unprecedented challenges to global healthcare systems.
  • Radiology played a vital role in diagnosing COVID-19, managing patients, and controlling transmission.
  • The pandemic necessitated major changes in daily radiology practices, including workflow, patient volume, and infection control.

Purpose of the Study:

  • To review the latest evidence on the role of medical imaging in diagnosing COVID-19 manifestations.
  • To discuss the global implications of the pandemic on radiology departments.
  • To explore the potential of artificial intelligence in addressing pandemic-related challenges.

Main Methods:

  • Literature review of recent studies on COVID-19 imaging.
  • Analysis of pandemic's impact on radiology department operations.
  • Examination of artificial intelligence applications in COVID-19 radiology.

Main Results:

  • Medical imaging is crucial for diagnosing and monitoring COVID-19.
  • Radiology departments implemented significant workflow and infection control modifications.
  • The pandemic led to reduced screening volumes and highlighted the need for AI integration.

Conclusions:

  • Radiology's role in the COVID-19 pandemic has been multifaceted, encompassing diagnosis, patient management, and infection control.
  • The pandemic has accelerated innovation and highlighted the importance of artificial intelligence in radiology.
  • Lessons learned will shape future practices and preparedness for public health crises.