Erik L. Ridley

ISMRM 2025
ISMRM: AI spots ischemic heart disease on low GBCA dose images
An AI-based framework was highly accurate for detecting myocardial ischemia, even on images acquired with 90% less gadolinium.
May 14, 2025
Representative stress perfusion CMR case with 80% contrast dose reduction. Pixel-wise MBF maps and AHA 16-segment bull's eye plots are shown for full-dose and reduced-dose acquisitions. When analyzed using the proposed MST deep learning method, the reduced-dose data closely matches the full-dose data across basal, mid, and apical slices. In contrast, Fermi-deconvolution shows good agreement in apical and mid slices but overestimates MBF in some basal segments, indicating reduced accuracy under low-dose conditions. Image courtesy of the ISMRM.
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ISMRM 2025
Video from ISMRM: Kate Hanneman on MRI equipment sustainability
Kate Hanneman, MD, speaks with AuntMinnie.com on sustainability in MRI.
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ISMRM 2025
Video from ISMRM: Trends from this year’s program
Reed Omary, MD, discussed planetary health in a May 14 plenary session on sustainability in radiology.
ISMRM 2025
ISMRM: Embrace concept of ‘mālama honua’ in planetary health
Results Ms Patient Highlight Main Li Ismrm2025
ISMRM 2025
ISMRM: Ultrafast MR imaging method feasible for general brain assessment
Yiying Hua, MD, of Fudan University.
ISMRM 2025
ISMRM: AI gives speed boost to cardiac MRI reconstruction
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Sustainability efforts in radiology should embrace the concept of "mālama honua," meaning "To care for our island Earth," an expert suggests.
May 15, 2025
Reed Omary, MD, discussed planetary health in a May 14 plenary session on sustainability in radiology.
ISMRM: Ultrafast MR imaging method feasible for general brain assessment
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Cedars-Sinai researchers have developed a unified deep-learning framework designed for contrast generation and quantitative T1/T2 mapping.
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ISMRM: AI gives speed boost to cardiac MRI reconstruction
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Cardiac MR image quality and acquisition times could be significantly improved by a new AI algorithm, according to a talk at ISMRM 2025.
May 15, 2025
Yiying Hua, MD, of Fudan University.
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AI-assisted chest CT can measure ALS respiratory function
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ISMRM: Adding dobutamine stress imaging to CMR feasible
By Amerigo Allegretto
Adding dobutamine stress imaging during clinical cardiovascular MR exams is feasible for separating athletic hearts from hearts with early DCM.
May 14, 2025
Research presented at ISMRM 2025 found that adding dobutamine stress imaging to CMR can separate athletic hearts from hearts with early DCM. The stress CMR findings correlated well with CPET results, highlighting the feasability of adding dobutamine stress imaging to CMR exams.
ISMRM: Barriers face synthetic amyloid PET image development
By Will Morton
Work on developing synthetic amyloid PET images from MRI scans is in its early stages.
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ISMRM: AI spots ischemic heart disease on low GBCA dose images
By Erik L. Ridley
An AI-based framework was highly accurate for detecting myocardial ischemia, even on images acquired with 90% less gadolinium.
May 14, 2025
Representative stress perfusion CMR case with 80% contrast dose reduction. Pixel-wise MBF maps and AHA 16-segment bull's eye plots are shown for full-dose and reduced-dose acquisitions. When analyzed using the proposed MST deep learning method, the reduced-dose data closely matches the full-dose data across basal, mid, and apical slices. In contrast, Fermi-deconvolution shows good agreement in apical and mid slices but overestimates MBF in some basal segments, indicating reduced accuracy under low-dose conditions. Image courtesy of the ISMRM.
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