Rethink Imaging podcast | Listen online for free

47 episodes

Medical Physics in Rural Hospitals: Higher Dose, Lower Resources, Bigger Stakes
11/06/2026 | 36 mins.
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% traveler technologist workforce, Jill reveals what it truly takes to protect patient lives in a system that wasn’t built for small towns.
Are CT Scans Safe? What Most People Get Wrong About Radiation
28/05/2026 | 53 mins.
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 bridges the gap between academic "ivory towers" and the public’s need for clear, comforting, and accurate answers.
Killing Tumors Without Chemo: Sci-Fi Treatments Already in Hospitals with Dr. Mina Makary
14/05/2026 | 30 mins.
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.
It’s Not Just Burnout: What’s Also Affecting Radiologists with Dr. Mina Makary
30/04/2026 | 39 mins.
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 options.
The Cognitive Ceiling: Why AI Must Support Radiologists, Not Replace Them
16/04/2026 | 45 mins.
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.

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About Rethink Imaging

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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