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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20 episodes
Updated Thursday

Episodes20

Newest first

Thursday · 25 min
The MRI Safety Myth: “No Radiation” Doesn’t Mean No Risk with Tobias Gilk
In this episode of Rethink Imaging, host Chris St. John sits down with Tobias Gilk, a world renowned healthcare architect and certified MRI safety expert. Moving beyond the standard industry assumption that MRI is entirely risk free due to its lack of ionizing radiation, Gilk pulls back the curtain on the critical, unique physical hazards lurking inside the magnet room. From analyzing tragic projectile accidents to tracing why modern imaging workflows are fundamentally broken, this conversation
July 23 · 47 min
Medical Imaging Professionals Need More Than Recognition: They Need Influence with Brandon Smith
In this episode of Rethink Imaging, host Chris St. John sits down with Brandon Smith, the historic first-ever back-to-back sitting president of the American Society of Radiologic Technologists (ASRT). Moving past the typical industry discussions around staff shortages, Brandon challenges the medical imaging community to reject quiet martyrdom, step out from behind the "ancillary" shadow, and transition from mere volunteerism to aggressive professional advocacy.
July 9 · 42 min
Why Most Radiology AI Fails: Workflow, Governance & Integration Problem with Tessa Cook
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Tessa Cook, Vice Chair of Practice Transformation and Director of the Imaging Informatics Fellowship at Penn Medicine. Moving beyond the standard industry hype surrounding artificial intelligence, Dr. Cook pulls back the curtain on the critical infrastructure required to make advanced technology actually work on the clinical front lines. From pioneering open-source radiation dose tracking to designing ent
June 25 · 40 min
Photon Counting CT Could Revolutionize Diagnostic Radiology
In this episode of Rethink Imaging, host Chris St. John sits down with Dr. Aaron Sodickson, Division Chief of Emergency Radiology at Mass General Brigham and Associate Professor at Harvard Medical School, to pull back the curtain on how advanced CT technology is transforming patient care. Moving from standard grayscale imaging to full-body photon counting scanner operations, Dr. Sodickson reveals what it takes to bring cutting-edge clinical technology out of the development lab and onto the fro
June 11 · 36 min
Medical Physics in Rural Hospitals: Higher Dose, Lower Resources, Bigger Stakes
In this episode of Rethink Imaging, host Chris St. John sits down with Jill Shuman, a board-certified diagnostic medical physicist at the Marshfield Clinic, to pull back the curtain on the gritty reality of rural healthcare. Far removed from the massive budgets of big academic institutions, Jill oversees imaging safety and quality across a broad network of underserved facilities in Wisconsin and Michigan. From fighting "break-fix" budget constraints to navigating the quality risks of a 100% tra
May 28 · 53 min
Are CT Scans Safe? What Most People Get Wrong About Radiation
In this episode of Rethink Imaging, host Chris St. John sits down with Dr. M. Mahesh, a world-renowned medical physicist from Johns Hopkins, to deconstruct the myths and misinformation surrounding medical radiation. Dr. Mahesh reveals how sensationalist headlines, like the "600% increase" in population radiation, often lack the scientific context necessary for patient safety. From the hidden dangers of lead shielding to how AI is changing the way we find health information, this conversation br
May 14 · 30 min
Killing Tumors Without Chemo: Sci-Fi Treatments Already in Hospitals with Dr. Mina Makary
In part two of this deep dive, host Chris St. John and Dr. Mina Makary explore the "sci-fi" reality of modern interventional radiology. From ultrasound waves that destroy tumors without a single incision to embolization procedures that treat chronic pain and enlarged prostates, Dr. Makary reveals how the "fourth pillar" of cancer care is making major surgery a last resort rather than a first step.
April 30 · 39 min
It’s Not Just Burnout: What’s Also Affecting Radiologists with Dr. Mina Makary
In the first of a two-part series, host Chris St. John sits down with Dr. Mina Makary, a dual board-certified radiologist at The Ohio State University, to explore the rapidly evolving world of Interventional Radiology (IR). Dr. Makary clarifies the vital distinction between burnout and "moral injury" the psychological toll of being prevented from doing what is ethically right by systemic barriers, and advocates for a patient-centered approach that prioritizes transparency and minimally invasive
April 16 · 45 min
The Cognitive Ceiling: Why AI Must Support Radiologists, Not Replace Them
In this episode of Rethink Imaging, host Chris St. John sits down with Dr. Julie Bauml, a radiologist and clinical informatics expert, to dismantle the "replacement" narrative in medical AI. Dr. Bauml explains the concept of the "cognitive ceiling", the hard limit on human image processing, and argues that AI’s true value lies in automating the "non-doctoring" tasks to alleviate burnout rather than simply cranking up study volumes.
April 2 · 39 min
The Triple-Certified Technologist: Fixing Radiology’s 20% Workforce Gap
In this episode of Rethink Imaging, host Chris St. John speaks with Chalonda Jones-Thomas, founder of the Thomas Institute of Health Professions, about the urgent need to modernize medical imaging education. As technology outpaces traditional textbooks, Chalonda discusses her pioneering work in creating fully online, simulation-based training programs that serve working parents, rural communities, and active-duty military members.
March 19 · 40 min
45% Fewer Autopsies: How Postmortem CT Is Changing Death Investigation in the U.S.
What if nearly half of traditional autopsies could be avoided without sacrificing diagnostic certainty? In this episode of Rethink Imaging, host Chris St John speaks with Dr. Kalpana Kanal, Director of Diagnostic Physics at the University of Washington, and Dr. Jonathan Medverd, Chief of Radiology at Harborview Medical Center, about building one of the most advanced postmortem CT programs in the United States. Together, they share how a cross-campus collaboration between radiology and the medica
March 5 · 40 min
Total Risk in CT Imaging: Why Clinical Risk Outweighs Radiation Risk with Dr. Francesco Ria
In this episode of Rethink Imaging, host Chris St. John sits down with Dr. Francesco Ria to explore a critical but often misunderstood concept in CT imaging: total risk. While radiation dose often dominates conversations around CT safety, Dr. Ria explains why clinical risk including missed diagnoses, delayed treatment, and underutilized imaging — frequently outweighs radiation risk when exams are not properly justified or optimized. The conversation reframes how imaging professionals, clinician
February 19 · 46 min
How Viruses Reshape the Brain: Imaging Neuroinflammation and Cancer Pathways with Claudia Kirsch
Dr. Claudia Kirsch joins Rethink Imaging to discuss how viruses like SARS-CoV-2 reshape the brain through inflammation, vascular injury, and immune pathways. From unexplained smell loss to the discovery of the nervus terminalis as a potential viral pathway, this episode highlights how advanced imaging is uncovering new insights into neuroinflammation and viral-driven disease including implications for cancer biology and long-term brain health.
February 5 · 36 min
The 20,000 Student Problem: Reimagining Radiology Education Pathways with Geoffrey Roche
Medical imaging faces a workforce crisis that cannot be solved with short-term staffing fixes. In this episode of Rethink Imaging, Chris St. John speaks with Geoffrey Roche, SVP of Healthcare at RizePoint, about why imaging remains a hidden profession, why more than 20,000 students sit on waiting lists every year, and how outdated accreditation models are limiting access to care. Geoffrey shares a systems-level view of workforce development, drawing from his experience across hospital systems, h
January 22 · 36 min
Bringing Advanced Cancer Care to Community Hospitals: Building a Theranostics Program with James Cassuto
James leads one of the region’s most advanced nuclear theranostics programs, using molecular imaging not only to diagnose cancer, but to guide and deliver treatment. This conversation stays grounded in practice: how patients are selected, how imaging drives decisions, and how programs actually get built. In this episode of Rethink Imaging, Chris St. John sits down with Dr. James Cassuto to unpack what theranostics looks like when it’s done right, inside a real health system, serving real patient
January 8 · 43 min
Teaching Radiologists for an AI-First World with Ali Tejani
In this episode of Rethink Imaging, Chris St. John sits down with Dr. Ali Tejani, a neuroradiology fellow at UCSF and a national leader in radiology education, imaging informatics, and AI literacy. Ali shares why radiology training programs must evolve now to prepare trainees for a future where AI is embedded in everyday clinical workflows. From launching an imaging informatics and business intelligence track during residency to co-directing national informatics education initiatives, Ali expla
Dec 18, 2025 · 36 min
Hospitals Must Outsource Med Physics? The Truth About Healthcare's Last Fragmented Frontier
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Jason Schneck, CEO of One Physics, to unpack how medical physics is evolving as care shifts beyond hospital walls. Jason shares a frontline view of how outpatient expansion, workforce shortages, regulatory complexity, and emerging technologies like molecular imaging and theranostics are reshaping the role of medical physicists. He explains why the profession remains underrecognized, how consolidation and outso
Dec 4, 2025 · 41 min
The U.S. Is 1,500 Radiologists Short: What It Means for Imaging Workloads with Dr. Ian Weissman
In this episode of Frame by Frame: Rethink Imaging, Chris St. John speaks with Dr. Ian Weissman, a nationally recognized radiology leader and advocate for clinician wellness, patient-centered care, and workforce strategies. Ian breaks down how the U.S. shortage of 1,500 radiologists is reshaping imaging workloads, delaying critical studies, and putting pressure on a system that is already stretched thin. Ian shares why increasing imaging volumes, an aging population, burnout, and limited residen
Nov 20, 2025 · 44 min
Why Medical Physicists Are Drowning in Level 1 Tasks (And What It Means for AI Adoption)
In this episode, Chris St. John speaks with Dr. Thomas Griglock, former section chief in radiology and associate professor at OHSU, now Executive Director at LUCIR. They explore why medical physicists are overwhelmed by Level 1 regulatory tasks, how this burden limits innovation, and what it means for AI adoption in radiology.
Nov 6, 2025 · 38 min
Teaching Moral Courage in Radiology: Why Soft Skills Matter as Much as Technical Training
In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Kristin Beinschroth, a radiologic technologist and researcher, to explore how moral courage shapes student success, why confidence does not always predict achievement, and what it really takes to prepare the next generation of technologists for the ethical dilemmas they will face in practice. From navigating scope of practice boundaries to standing up to physicians when patient safety is at risk, this epis

Rethink Imaging

The MRI Safety Myth: “No Radiation” Doesn’t Mean No Risk with Tobias Gilk

Medical Imaging Professionals Need More Than Recognition: They Need Influence with Brandon Smith

Why Most Radiology AI Fails: Workflow, Governance & Integration Problem with Tessa Cook

Photon Counting CT Could Revolutionize Diagnostic Radiology

Medical Physics in Rural Hospitals: Higher Dose, Lower Resources, Bigger Stakes

Are CT Scans Safe? What Most People Get Wrong About Radiation

Killing Tumors Without Chemo: Sci-Fi Treatments Already in Hospitals with Dr. Mina Makary

It’s Not Just Burnout: What’s Also Affecting Radiologists with Dr. Mina Makary

The Cognitive Ceiling: Why AI Must Support Radiologists, Not Replace Them

The Triple-Certified Technologist: Fixing Radiology’s 20% Workforce Gap

45% Fewer Autopsies: How Postmortem CT Is Changing Death Investigation in the U.S.

Total Risk in CT Imaging: Why Clinical Risk Outweighs Radiation Risk with Dr. Francesco Ria

How Viruses Reshape the Brain: Imaging Neuroinflammation and Cancer Pathways with Claudia Kirsch

The 20,000 Student Problem: Reimagining Radiology Education Pathways with Geoffrey Roche

Bringing Advanced Cancer Care to Community Hospitals: Building a Theranostics Program with James Cassuto

Teaching Radiologists for an AI-First World with Ali Tejani

Hospitals Must Outsource Med Physics? The Truth About Healthcare's Last Fragmented Frontier

The U.S. Is 1,500 Radiologists Short: What It Means for Imaging Workloads with Dr. Ian Weissman

Why Medical Physicists Are Drowning in Level 1 Tasks (And What It Means for AI Adoption)

Teaching Moral Courage in Radiology: Why Soft Skills Matter as Much as Technical Training