Rethink Imaging

Imalogix

Rethink Imaging is a podcast that delves into the fascinating world of radiology, offering a fresh perspective on medical imaging and its impact on patient care and healthcare outcomes. The podcast, hosted by Chris St John, aims to bridge the gap between complex radiological concepts and the curious mind, from seasoned professionals to radiology enthusiasts.

Each episode features engaging discussions with leading experts in medical imaging, including radiologists, medical physicists, radiologic technologists, world-leading academics, and industry thought leaders. Through inspiring interviews, the podcast explores a wide range of topics, from advancements in imaging technology and diagnostic practices to the future of radiology in healthcare.

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51 episodes
Updated Thursday

Episodes51

Newest first

Oct 23, 2025 · 38 min
The Six Pillars of Quality in Medical Imaging with Dr. Summer Kaplan
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Summer Kaplan, Associate Professor of Clinical Radiology at the University of Pennsylvania School of Medicine and pediatric radiologist at the Children’s Hospital of Philadelphia. Together, they explore the six pillars of healthcare quality, safety, timeliness, efficiency, effectiveness, equity, and patient-centeredness and how these principles shape modern radiology practice. From balancing efficiency wit
Oct 9, 2025 · 39 min
Detecting the Undetectable: Dr. Andrew Callen on Spinal CSF Leaks
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Andrew Callen, Associate Professor of Radiology and Neurology at the University of Colorado School of Medicine and Director of the CU CSF Leak Program, to explore how advanced imaging is transforming the diagnosis and treatment of spinal CSF leaks. From understanding cerebrospinal fluid’s vital role to uncovering invisible leak types like CSF–venous fistulas, Dr. Callen shares how innovations such as dynam
Sep 25, 2025 · 38 min
Beyond Accuracy: The Real Metric for AI Success in Radiology with Leonardo Bittencourt
In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Leonardo Bittencourt, Vice Chair of Innovation at University Hospitals Cleveland, to discuss how AI adoption in radiology must focus on workflow integration rather than accuracy alone. Drawing from his leadership of the Radically initiative and years of experience bridging academic medicine with industry, Dr. Bittencourt shares how radiology departments can evaluate AI solutions based on clinical value, fo
Sep 11, 2025 · 41 min
Peer Learning: From Toxic Scoring to Transformative Education with Dr. David Larson
In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. David Larson, Founding Director of the AI Development and Evaluation Lab at Stanford University School of Medicine, to explore the shift from traditional peer review to peer learning in radiology. By replacing numerical scoring with collaborative learning, Dr. Larson highlights how radiologists can improve performance, foster psychological safety, and deliver better patient care. Whether in a major academi
Aug 26, 2025 · 29 min
Overhauling Medical Physics: Transforming Annual Testers into Quality Partners
In Part 2 of Frame by Frame: Rethink Imaging, host Chris St John continues his conversation with medical physicist Brad Lofton, diving deeper into how the profession must evolve from compliance-driven tasks to becoming true partners in problem-solving and patient-centered care. They explore the principles of Medical Physics 3.0, why emotional intelligence matters as much as technical expertise, and how innovative models can extend high-quality physics services to rural hospitals. This instalmen
Aug 14, 2025 · 41 min
The Medical Physics Paradox: When Compliance Overrides Patient Care
In Part 1 of this two-part episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Brad Lofton, CEO of Colorado Associates in Medical Physics, to examine how the field of medical physics must evolve beyond a compliance-only mindset. They explore the dangers of commodification, the need for physicists to reclaim their role as quality managers, and how shifting toward patient-centered care can make physics an indispensable part of radiology departments. Whether you are a m
Jul 30, 2025 · 47 min
Radiology AI Reality Check: Automated Reports, Implementation Failures and Agentic Future
In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Woojin Kim, Chief Strategy Officer at HOPPR and Chief Medical Officer at the ACR Data Science Institute, to explore the evolving role of generative AI in radiology. From automated reporting to intelligent assistants, Dr. Kim offers a pragmatic look at how AI can streamline workflows without replacing human expertise. Whether you're a radiologist, technologist, or healthcare innovator, this episode delivers
Jul 15, 2025 · 38 min
The Missing Piece in Medical Imaging Safety with Dr. Madan Rehani
In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Madan Rehani, Professor at Harvard Medical School and Director of Radiation Protection Outreach at Mass General, to explore the risks and realities of cumulative radiation exposure in medical imaging. Drawing from his global leadership experience at the International Atomic Energy Agency, Dr. Rehani shares evidence-based insights on dose tracking, the limitations of CT safety, and why patient protection mus
Jul 1, 2025 · 35 min
Balancing Crisis & Care: Life as a Medical Physicist with William Breeden
In this episode of Frame by Frame: Rethink Imaging, host Chris St John is joined by Dr. William Breeden, a veteran radiation physicist with over 23 years at St. Vincent’s Hospital. Together, they unpack the high-stakes, behind-the-scenes world of medical physics, from managing crisis situations in trauma centers to maintaining equipment performance across imaging modalities. Whether you’re in healthcare leadership, imaging operations, or just curious about the systems that keep patients safe, th
Jun 17, 2025 · 42 min
Why All Medicine is Educated Guessing with Dr. Ehsan Samei (Re-release)
In this episode of the Frame by Frame: Rethink Imaging podcast, Chris St John revisits his conversation with Dr. Ehsan Samei, Chief Imaging Physicist at Duke University on the balance between scientific precision and clinical judgment in medical imaging. They explore why medicine is still a sophisticated “guessing game,” how AI enhances rather than replaces human expertise, and why the future of diagnostics depends on harmonizing data with patient-centered care. If you enjoyed this episode, sub
May 29, 2025 · 33 min
What We’re Missing While Obsessing Over AI: The Forgotten Future of Radiology
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John is joined by Dr. Ari Goldberg, Director of Thoracic and Abdominal Imaging at Loyola University Medical Center, to examine how radiology practices must evolve to meet growing clinical demands with limited resources. From rethinking reporting workflows to incorporating radiologist extenders and adapting leadership strategies, this conversation offers a candid look at the future of radiology.
May 15, 2025 · 32 min
Why Gonadal Shielding in X-rays Actually Increases Radiation Dose
In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Summer Kaplan to explore the surprising science behind gonadal shielding in medical imaging. Discover why shielding may do more harm than good in modern X-ray procedures and how new safety protocols are reshaping radiology. Whether you're a clinician, radiologic technologist, or concerned parent, this episode offers critical insights into the future of radiation protection.
May 1, 2025 · 12 min
Post-Mortem CT: How Radiology Is Rewriting the Autopsy
In this episode of Frame by Frame: Rethink Imaging, host Chris St John revisits Dr. Kalpana Kanal, a pioneering medical physicist, to highlight the cutting-edge use of CT imaging in forensic pathology from our previous episode with her. From minimizing invasive autopsies to enhancing medical education, this conversation uncovers how CT technology is reshaping the way we understand and investigate death. Whether you're in radiology, medical education, or forensic science, this episode provides
Apr 17, 2025 · 37 min
Could Our Obsession with Dose Be Risking Lives?
In this follow-up episode of Frame by Frame, host Chris St John reconnects with Dr. Ehsan Samei, a renowned medical physicist, to delve into how we truly measure the value of medical imaging. Moving beyond the conversation of dose alone, Dr. Samei shares how imaging quality and diagnostic effectiveness must be evaluated through multiple lenses—from resolution to task-specific metrics. This conversation breaks down why image quality is not one-size-fits-all and how the medical community is worki
Apr 3, 2025 · 38 min
'The Real Harm Is in Missing the Diagnosis' with Dr. Ehsan Samei
In this episode of Frame by Frame, host Chris St John sits down with Dr. Ehsan Samei, a distinguished medical physicist, to explore the true value of medical imaging - and why the traditional "benefit vs. risk" debate misses the point. From challenging outdated views on radiation exposure to advocating for a more patient-centered approach to imaging decisions, this conversation reveals how imaging’s benefits dramatically outweigh the risks when used appropriately. Whether you're a healthcare pro
Mar 20, 2025 · 35 min
Radiation Optimization: Dr. Kanal’s Legacy with the Dose Index Registry
In this episode of Frame by Frame, host Chris St John sits down with Dr. Kalpana Kanal, a pioneering medical physicist, to discuss her pivotal work with the ACR's CT Dose Index Registry (DIR) and her fascinating current research in forensic CT. From establishing national benchmarks for radiation doses to using CT technology for post-mortem examinations, this conversation offers unique insights into how imaging technology continues to evolve. Whether you're a medical imaging professional intere
Mar 6, 2025 · 34 min
CMS Measures Explained: What Radiology Leaders Need to Know
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John talks with Olav Christianson, Vice President of Clinical Strategy at Imalogix, about CMS's new eCQM for CT radiation dose and image quality. They discuss how translation software processes imaging data for compliance, key data elements (CT category, size-adjusted radiation dose, and global noise level), and the 2027 mandatory reporting timeline. The conversation also highlights the importance of early adoption, strategies f
Feb 20, 2025 · 30 min
Legislating Change: How Dr. Amy Patel is Shaping the Future of Breast Imaging
In this episode of Frame by Frame, host Chris St. John sits down with Dr. Amy Patel, Medical Director of the Breast Care Center at Liberty Hospital, to explore the critical intersection of breast cancer screening legislation and patient care. From pioneering state-level mammography coverage laws to advocating for federal reforms, Dr. Patel shares how healthcare professionals can effectively champion legislative changes that expand access to life-saving screenings. Whether you're a medical profe
Feb 6, 2025 · 25 min
Addressing Burnout and Enhancing Radiologist Health with Elizabeth Krupinski
In part 2 of this episode of Frame by Frame: Rethink Imaging, host Chris St John is joined by Dr. Elizabeth Krupinski, a pioneering expert in the psychology of medical imaging at Emory University. Together, they delve into the pressing issue of radiologist burnout, exploring its psychological underpinnings and the impact of cognitive load on performance. Dr. Krupinski shares valuable insights on how to reduce burnout, improve radiologists' well-being, and foster a more supportive work environme
Jan 23, 2025 · 34 min
The Psychology Behind Radiologist Errors with Elizabeth Krupinski
In this episode of Frame by Frame: Rethink Imaging, host Chris St John is joined by Dr. Elizabeth Krupinski, a pioneering expert in the psychology of medical imaging and Vice Chair for Research in the Department of Radiology and Imaging Sciences at Emory University. As Part 1 of a two-part series, they explore the intersection of psychology and radiology, discussing the cognitive mechanisms behind radiologist errors, the impact of burnout on performance, and innovative strategies to enhance acc

Rethink Imaging

The Six Pillars of Quality in Medical Imaging with Dr. Summer Kaplan

Detecting the Undetectable: Dr. Andrew Callen on Spinal CSF Leaks

Beyond Accuracy: The Real Metric for AI Success in Radiology with Leonardo Bittencourt

Peer Learning: From Toxic Scoring to Transformative Education with Dr. David Larson

Overhauling Medical Physics: Transforming Annual Testers into Quality Partners

The Medical Physics Paradox: When Compliance Overrides Patient Care

Radiology AI Reality Check: Automated Reports, Implementation Failures and Agentic Future

The Missing Piece in Medical Imaging Safety with Dr. Madan Rehani

Balancing Crisis & Care: Life as a Medical Physicist with William Breeden

Why All Medicine is Educated Guessing with Dr. Ehsan Samei (Re-release)

What We’re Missing While Obsessing Over AI: The Forgotten Future of Radiology

Why Gonadal Shielding in X-rays Actually Increases Radiation Dose

Post-Mortem CT: How Radiology Is Rewriting the Autopsy

Could Our Obsession with Dose Be Risking Lives?

'The Real Harm Is in Missing the Diagnosis' with Dr. Ehsan Samei

Radiation Optimization: Dr. Kanal’s Legacy with the Dose Index Registry

CMS Measures Explained: What Radiology Leaders Need to Know

Legislating Change: How Dr. Amy Patel is Shaping the Future of Breast Imaging

Addressing Burnout and Enhancing Radiologist Health with Elizabeth Krupinski

The Psychology Behind Radiologist Errors with Elizabeth Krupinski