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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Healthcare Professional Using Tablet Adobe Dnctz Studio
AI
SaMD-based AI is poised to 'transform clinical care'
However, there are issues that need to be addressed, particularly reimbursement for use of software-as-a-medical-device (SaMD)-based AI.
Bike Injury
Digital X-Ray
C-spine x-ray safe and effective in blunt pediatric trauma cases
Ultrasound Child 400
Ultrasound
High-frequency ultrasound model estimates bone age in children
Adams Angela Thumbnail
AI
AI isn't replacing radiologists -- it's helping them offer better care
Fast Food
Molecular Imaging
PET scans tie fast food to altered blood flow in the heart
More in Home
SaMD-based AI is poised to 'transform clinical care'
By Kate Madden Yee
However, there are issues that need to be addressed, particularly reimbursement for use of software-as-a-medical-device (SaMD)-based AI.
August 11, 2025
Healthcare Professional Using Tablet Adobe Dnctz Studio
C-spine x-ray safe and effective in blunt pediatric trauma cases
By Will Morton
Some institutions have abandoned x-ray as a screening tool in children with suspected cervical spine injuries.
August 11, 2025
Bike Injury
High-frequency ultrasound model estimates bone age in children
By Amerigo Allegretto
A model based on high-frequency ultrasound images performed well in estimating bone age and detecting abnormal bone age in children.
August 11, 2025
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AI isn't replacing radiologists -- it's helping them offer better care
By Angela Adams
Despite the hype, there's no meaningful evidence that AI is displacing radiologists.
August 11, 2025
Adams Angela Thumbnail
PET scans tie fast food to altered blood flow in the heart
By Will Morton
Ultraprocessed foods may acutely affect vascular and brain function, researchers report.
August 8, 2025
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AI boosts rads' identification of incidental PE on CT imaging
By Kate Madden Yee
Study results suggest that AI could serve as an effective "second look" tool for incidental pulmonary emboli (PE) on CT imaging.
August 8, 2025
Pulmonary Embolism
How are technologists dealing with higher vacancy rates?
By Amerigo Allegretto
High technologist vacancy rates among imaging practices could be addressed through outreach, education, and philanthropy, experts say.
August 8, 2025
Technologist Happy
Ultrasound screening for vasa previa tied to better pregnancy outcomes
By Amerigo Allegretto
Screening for vasa previa with ultrasound leads to higher survival rates among prenatally diagnosed cases in pregnancy.
August 7, 2025
Ultrasound Sonographer 400 (1)
AI could be cost-effective for osteoporosis screening
By Will Morton
A study highlights the public health potential of AI-driven osteoporosis screening to improve early detection.
August 7, 2025
Ai Money
Generative AI improves clinical decision-making in the ED
By Kate Madden Yee
Study results suggest that AI could reduce variability among emergency department (ED) physicians when it comes to ordering imaging exams.
August 7, 2025
Emergency Entrance
Watching a movie during MR imaging reduces kids' need for sedation
By Kate Madden Yee
The findings are good news for pediatric patients, who often struggle to remain still during an MRI exam.
August 6, 2025
Mri Scanner Kid
White paper endorsed by ACR, SIIM stresses cybersecurity
By Amerigo Allegretto
A new white paper endorsed by the ACR and SIIM outlines strategies for practices to better protect themselves from cyber attacks.
August 6, 2025
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