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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

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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 I: X-ray and CT01:30

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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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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 IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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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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Cardiac imaging: does radiation matter?

Andrew J Einstein1, Juhani Knuuti

  • 1Cardiology Division, Department of Medicine, Columbia University Medical Center and New York-Presbyterian Hospital, New York, NY, USA. andrew.einstein@columbia.edu

European Heart Journal
|August 11, 2011
PubMed
Summary

Cardiovascular imaging using ionizing radiation requires balancing benefits against risks. Understanding radiation biology, physics, and protection principles is crucial for cardiac imaging applications.

Area of Science:

  • Cardiovascular Medicine
  • Radiological Physics
  • Medical Imaging

Background:

  • Ionizing radiation use in cardiovascular imaging is a topic of ongoing debate.
  • Risk-benefit analysis is essential, considering costs and clinical utility.
  • Fundamental knowledge of radiation biology, physics, epidemiology, and protection is necessary.

Purpose of the Study:

  • To provide a contemporary perspective on ionizing radiation in cardiac imaging.
  • To address key questions regarding radiation's application in this field.
  • To contextualize radiation use within broader imaging considerations.

Main Methods:

  • Review of fundamental principles of radiation biology and physics.
  • Examination of epidemiological data relevant to radiation exposure.

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  • Discussion of radiological protection principles.
  • Synthesis of information to address radiation use in cardiac imaging.

    • Main Results:

    • The paper synthesizes current understanding of radiation's role in cardiovascular imaging.
    • It highlights the importance of a multidisciplinary approach.
    • It provides a framework for evaluating radiation use.

    Conclusions:

    • Radiation in cardiovascular imaging must be assessed holistically, weighing benefits, risks, and costs.
    • A thorough understanding of radiation science and protection is paramount.
    • Informed decision-making is key for responsible application in cardiac imaging.