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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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

Imaging Studies for Cardiovascular System III: X-Ray

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...
Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Radiation: Applications01:17

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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 solid...

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Related Experiment Video

Updated: Jun 3, 2026

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
09:55

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology

Published on: September 28, 2022

Global health training in radiology residency programs.

Matthew P Lungren1, Jeffrey J Horvath, Rodney D Welling

  • 1Department of Radiology, Duke University, Durham, NC, USA.

Academic Radiology
|April 5, 2011
PubMed
Summary

Radiology residents desire global health imaging training, but current programs lack opportunities. Implementing a global health imaging curriculum could enhance skills and attract future radiologists.

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Area of Science:

  • Global health
  • Medical education
  • Radiology

Background:

  • Developing countries face significant unmet imaging needs.
  • Radiology residents express interest in global health initiatives.
  • Current radiology residency training inadequately prepares residents for global health work.

Purpose of the Study:

  • To assess radiology residents' perceptions of global health imaging needs.
  • To evaluate resident interest in a global health imaging curriculum.
  • To identify gaps in current residency training for global health.

Main Methods:

  • An electronic survey was developed and distributed to accredited US radiology residents.
  • Data were collected from 294 resident respondents.
  • Survey questions addressed perceptions, preparedness, and interest in global health imaging training.

Main Results:

  • 61% of residents planned international medical aid work, but 59% felt unprepared.
  • 91% reported no global health imaging opportunities in their residency.
  • A majority believed a curriculum would improve disease understanding, cost-conscious care, and interpretative skills.

Conclusions:

  • A significant gap exists between radiology resident interest in global health imaging and available training opportunities.
  • Residents strongly support the development of a global health imaging curriculum.
  • Implementing such a curriculum could enhance resident preparedness and potentially boost recruitment into radiology.