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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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Positron Emission Tomography

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Related Experiment Video

Updated: Jun 16, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
06:29

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques

Published on: June 11, 2019

Myocardial perfusion imaging with 201Tl.

Robert A Pagnanelli1, Danny A Basso

  • 1Duke University Hospital, Durham, North Carolina, USA.

Journal of Nuclear Medicine Technology
|February 18, 2010
PubMed
Summary
This summary is machine-generated.

This review covers thallium-201 (201Tl) for myocardial perfusion imaging, a technique gaining traction due to technetium-99m ((99m)Tc) shortages. Learn about 201Tl properties, imaging procedures, and its comparison to (99m)Tc agents.

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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

Related Experiment Videos

Last Updated: Jun 16, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
06:29

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques

Published on: June 11, 2019

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
08:13

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

Area of Science:

  • Nuclear Medicine
  • Cardiology
  • Radiopharmacology

Background:

  • Radionuclide myocardial perfusion imaging is crucial for assessing heart blood flow.
  • A recent shortage of technetium-99m ((99m)Tc) has led to renewed interest in alternative agents.
  • Thallium-201 (201Tl) is a viable option for myocardial perfusion studies.

Purpose of the Study:

  • To provide comprehensive information on thallium-201 (201Tl) in radionuclide myocardial perfusion imaging.
  • To educate technologists on the properties, uptake, and procedural aspects of using (201)Tl.
  • To compare the advantages and disadvantages of (201)Tl versus (99m)Tc agents.

Main Methods:

  • Review of existing literature on (201)Tl properties and myocardial uptake mechanisms.
  • Description of the standard imaging protocol for myocardial perfusion using (201)Tl.
  • Comparative analysis of (201)Tl and (99m)Tc in terms of imaging characteristics and clinical utility.

Main Results:

  • Detailed explanation of (201)Tl's physical and biological properties relevant to cardiac imaging.
  • Outline of the step-by-step procedure for myocardial perfusion imaging with (201)Tl.
  • Discussion of the benefits, such as specific uptake patterns, and drawbacks, like lower energy photons, of (201)Tl compared to (99m)Tc.

Conclusions:

  • Thallium-201 (201Tl) remains an important radionuclide for myocardial perfusion imaging, especially during (99m)Tc shortages.
  • (201)Tl offers unique insights into myocardial viability and perfusion.
  • Technologists should be proficient in (201)Tl imaging protocols and understand its comparative strengths and weaknesses.