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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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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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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.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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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 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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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:
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Related Experiment Video

Updated: Dec 5, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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COVID-19: a brief update for radiologists.

Gustavo de Souza Portes Meirelles1

  • 1Grupo Fleury, São Paulo, SP, Brazil.

Radiologia Brasileira
|October 19, 2020
PubMed
Summary

This review covers Coronavirus disease 2019 (COVID-19) clinical and imaging aspects, focusing on radiology

Area of Science:

  • Radiology
  • Infectious Diseases
  • Public Health

Background:

  • The Coronavirus disease 2019 (COVID-19) pandemic, caused by SARS-CoV-2, significantly impacts healthcare.
  • A comprehensive understanding of COVID-19 is crucial for radiologists.

Purpose of the Study:

  • To review the clinical and imaging features of COVID-19.
  • To provide guidelines on imaging methods, safety protocols, and reporting systems.
  • To highlight innovations in managing COVID-19 during the pandemic.

Main Methods:

  • Literature review of clinical and imaging findings.
  • Analysis of established and emerging guidelines for radiological practice.
  • Synthesis of information on patient and professional protection measures.
Keywords:
CoronavirusCoronavirus infection/diagnostic imagingReview

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  • Review of quantitative assessment tools and integrated reporting strategies.

    • Main Results:

    • Detailed description of characteristic COVID-19 imaging findings.
    • Recommendations for appropriate use of imaging modalities (e.g., CT, X-ray).
    • Guidance on infection control and safety measures in radiology departments.
    • Overview of methods for quantifying disease severity and tracking progression.
    • Summary of recent technological and procedural innovations.

    Conclusions:

    • Effective radiological assessment is vital for COVID-19 patient management.
    • Standardized guidelines and reporting enhance diagnostic accuracy and patient care.
    • Continuous adaptation and innovation are essential in responding to the pandemic's evolving challenges.