Nuclear Cardiology

Single photon computed tomography (SPECT) and positron emission tomography (PET) molecular imaging are used as primary cardiac imaging modalities to evaluate the function of the heart. It uses radioactive isotopes attached to sugars that are metabolized by cardiomyocytes. This creates an image of the metabolic activity of the heart and shows areas of ischemia or infarct. Other radiotracers can image the heart to diagnosis cardiac amyloidosis and sarcoidosis. 

Advnaces in nuclear cardiac imaging include the use of PET, quantitative coronary flow reserve and the additional CT ro SPECT and PERT scans. #ASNC

VIDEO: 2 key advances in cardiac nuclear imaging technology

Randall Thompson, MD, immediate past president of the American Society of Nuclear Cardiology (ASNC), explains two key advances in cardiac nuclear imaging.
 

A comparison on the black hole at the center of the Milky Way galaxy (left) with PET cardiac myocardial perfusion nuclear imaging exams (right).  The cardiac diagnosis of the galactic heart is motion artifact. Black hole image from the EHT Collaboration

Cardiologist and ASNC president diagnoses the heart of the galaxy based on black hole imaging

The first image of the black hole at the heart of our Milky Way galaxy amazed the scientific community, but left cardiologists with questions about the true cardiac health of the galaxy.

The American Society of Nuclear Cardiology (ASNC) is asking Congress to repeal the appropriate use software provision mandate, which physicians say is an obstacle to efficient care.

VIDEO: Imaging societies ask Congress to repeal appropriate use decision support mandate

Randall Thompson, MD, immediate past president of the American Society of Nuclear Cardiology (ASNC), explains the current ASNC lobbying efforts.

A figure from the 2022 CAD non-invasive imaging guidelines showing a comparison of computed tomography angiography (CTA) and a SPECT-CT vs. an invasive angiogram from the cath lab showing the same blockage in a coronary artery.

New multi-society recommendations highlight role of non-invasive imaging in evaluating coronary artery disease

A new, multi-society document, "Non-Invasive Imaging in Coronary Syndromes," focuses on how multiple imaging techniques can evaluate different aspects of coronary artery disease (CAD), all without the need for invasive angiograms.

The ASNC is one of several medical imaging societies asking Congress to repeal the appropriate use criteria (AUC) criteria mandate. They say it poses issues for clinicians and is becoming outdated by changes in CMS payment systems. The AUC requirements call for documentation using CVMS authorized software in order to show advanced imaging such as nuclear and CT is justified, or else Medicare payments might be withheld.

American Society of Nuclear Cardiology urges Congress to speed prior authorizations, repeal AUC mandate 

Over the past few weeks, members of ASNC’s Health Policy Committee have held meetings with their members of Congress.

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American Society of Nuclear Cardiology says AHA/ACC chest pain guidelines miss the mark

One of the group's primary concerns is the "inappropriately large role" given to FFR-CT. 

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‘A troublesome trend’: Top imaging groups slam insurer-directed test substitution policies

Advocates say payers' push for single first-line imaging tests for all patients isn't backed by evidence and may cause harm.

District of Columbia DC congress capitol hill

Imaging advocates, bipartisan lawmakers unite to oppose ‘misguided and massive’ Medicare pay cuts

Congressmen highlighted a planned wage increase for clinical labor that will spell 20% reductions elsewhere, due to budget neutrality. 

Around the web

Several key trends were evident at the Radiological Society of North America 2024 meeting, including new CT and MR technology and evolving adoption of artificial intelligence.

Ron Blankstein, MD, professor of radiology, Harvard Medical School, explains the use of artificial intelligence to detect heart disease in non-cardiac CT exams.