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Related Concept Videos

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

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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X-ray Imaging01:24

X-ray Imaging

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 X-rays, and by 1900, X-ray was widely...
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.
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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.
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Related Experiment Video

Updated: May 12, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

ALARA+: Summit on Radiation and Orthopedic Risks in Fluoroscopic Laboratories.

Arash Salavitabar1, Amit N Vora2, Dorothea Altschul3

  • 1The Heart Center, Nationwide Children's Hospital, Columbus, Ohio.

Journal of the Society for Cardiovascular Angiography & Interventions
|May 11, 2026
PubMed
Summary
This summary is machine-generated.

Occupational radiation exposure poses long-term health risks, particularly for women and trainees. Enhanced radiation protection and ergonomic equipment are crucial to mitigate these risks and prevent injuries.

Keywords:
fluoroscopyoccupational healthradiation exposurethink tank

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06:20

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Published on: March 11, 2021

Area of Science:

  • Interventional Cardiology
  • Occupational Health
  • Medical Physics

Background:

  • Occupational radiation exposure is linked to adverse long-term health effects, disproportionately affecting women, trainees, and support staff.
  • Current radiation protection equipment is often nonergonomic, leading to high rates of orthopedic injuries, impacting careers and healthcare systems.
  • Implementing advanced radiation protection measures faces significant challenges.

Purpose of the Study:

  • To address the dual risks of ionizing radiation and musculoskeletal injuries in healthcare professionals.
  • To foster collaboration among stakeholders to advocate for improved radiation protection technologies.
  • To promote the adoption of enhanced imaging systems for better radiation safety.

Main Methods:

  • A multidisciplinary Think Tank summit was convened during the 2025 Society for Cardiovascular Angiography & Interventions Scientific Sessions.
  • Participants included representatives from professional societies, advocacy groups, and industry partners.
  • Discussions focused on ionizing radiation dangers and musculoskeletal injuries from protection equipment.

Main Results:

  • Identified the significant health impacts of occupational radiation exposure and nonergonomic equipment.
  • Highlighted challenges in the widespread implementation of enhanced radiation protection.
  • Generated actionable steps for advocating for improved technologies and systems.

Conclusions:

  • There is a critical need for enhanced radiation protection technologies and ergonomic equipment in medical settings.
  • Multidisciplinary collaboration is essential to overcome implementation barriers.
  • Advocacy for ALARA+ (as low and as light as reasonably achievable) principles is necessary to protect healthcare professionals.