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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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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.
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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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.
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X-ray Imaging01:24

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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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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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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.
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Related Experiment Video

Updated: Jun 5, 2025

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
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Beyond Do No Harm: Introduction to Green Radiology.

Elizabeth M Hecht1, Daniel J A Margolis1, Natasha E Wehrli1

  • 1Department of Radiology, Weill Cornell Medicine/NewYork Presbyterian Hospital.

Journal of Computer Assisted Tomography
|December 12, 2024
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Summary

A healthy environment is a human right, yet environmental risks cause preventable deaths. Radiologists can help address the healthcare industry's significant environmental impact and climate change contributions.

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Area of Science:

  • Environmental Health
  • Public Health Policy
  • Healthcare Sustainability

Background:

  • The Human Rights Council recognized a clean, healthy environment as a human right in 2021.
  • Environmental health risks contribute to a significant percentage of global deaths, largely preventable.
  • The US healthcare sector is a major economic and resource consumer, with substantial environmental implications.

Purpose of the Study:

  • To review the environmental impact of the healthcare industry, particularly greenhouse gas emissions.
  • To highlight the need for radiology to address its environmental footprint beyond radiation.
  • To propose a systems-based approach for radiologists to engage in climate change mitigation.

Main Methods:

  • Literature review of environmental health risks and healthcare's contribution to emissions.
  • Analysis of the US healthcare industry's economic and resource consumption.
  • Exploration of a systems-based approach to climate action within radiology.

Main Results:

  • Healthcare's supply chain, including pharmaceuticals and transportation, accounts for 80% of its greenhouse gas emissions.
  • Radiology has historically focused on radiation and thermal effects, neglecting broader environmental pollutants and waste.
  • Addressing climate change requires a multi-level approach, involving education, investigation, and advocacy.

Conclusions:

  • Radiologists have a crucial role to play in addressing the environmental impact of healthcare.
  • A systems-based approach can empower radiologists to contribute to climate change solutions.
  • Integrating environmental sustainability into radiology practice is essential for public health and planetary well-being.