The New England Journal of Medicine just featured an AI, 'Dr. CaBot,' as a guest expert in its legendary diagnostic challenge. This AI can not only find the right diagnosis but can reason and tell a compelling clinical story, sometimes more convincingly than human doctors.

But does this mean Dr. AI is ready for the ward? We explore the gap between a perfect, curated case and the messy reality of clinical practice, and make the case for the future of AI not as an oracle, but as a 'diagnostic co-pilot' that helps every doctor reason like an expert.

References:

- NEJM case including Dr CaBot's synthesis: https://www.nejm.org/doi/full/10.1056/NEJMcpc2412539

- The project behind Dr CaBoT:https://arxiv.org/abs/2509.12194

- Advancing Medical Artificial Intelligence Using a Century of Cases by Buckley et al.

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What if an AI could find patterns in patient data that we've never seen before? That's the power of "unsupervised learning", a type of AI that learns without an answer key. In this episode, we explain how this method works, and why it's a powerful tool for discovering new patient subtypes and advancing personalised medicine.

#UnsupervisedLearning #AIinHealthcare #MachineLearning #ClinicalAI #HealthTech #PersonalizedMedicine #PrecisionMedicine #MedicalEducation #MedEd #ai in medicine Music generated by Mubert https://mubert.com/render

healthaibrief@outlook.com

How do we teach an AI to read an ECG? The most common method is "supervised learning," which is a lot like using flashcards with a medical student. In this episode, we explain this fundamental concept and reveal the two critical questions you should always ask about the data to assess the quality of any medical AI model.

#SupervisedLearning #AIinHealthcare #MachineLearning #ClinicalAI #HealthTech #MedicalAI #MedicalData #MedicalEducation #MedEd #ai in medicine Music generated by Mubert https://mubert.com/render

healthaibrief@outlook.com

Top AI models are acing medical benchmarks, but are they actually ready for the clinic? A groundbreaking study reveals that impressive scores can hide a dangerous lack of real-world robustness. In this episode, we break down the ingenious "stress tests" that expose how AI can succeed on an exam for all the wrong reasons—from guessing answers without seeing medical images to failing when the question format is slightly changed. Tune in to understand why we must move beyond leaderboard scores and start demanding real proof of clinical readiness.

"The Illusion of Readiness: Stress Testing Large Frontier Models on Multimodal Medical Benchmarks". Gu et al. 22 Sept 2025.

Link to the paper: https://arxiv.org/html/2509.18234v1

#Microsoft #OpenAI #Gemini #HealthAI #AIinHealthcare #DigitalHealth #MedicalAI #ClinicalAI #PatientSafety #Tech #Innovation #MachineLearning #LLM #ai in medicine Music generated by Mubert https://mubert.com/render

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An AI model doesn't just learn on its own; it follows a protocol. The settings of that protocol, like the "learning rate", are called hyperparameters. In this episode, we explain what these crucial settings are, why they are the 'art' of AI development, and how they help you judge the quality of a research paper.

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Imagine trying to find the lowest point in a valley while blindfolded. How would you do it? The same way an AI finds the best answer: one step at a time, always moving downhill. This process is called "gradient descent," and it's one of the engines that powers machine learning. In this episode, we explain how it works, what the "learning rate" is, and why it matters for understanding AI research.

#GradientDescent #AIinHealthcare #MachineLearning #ClinicalAI #HealthTech #AIexplained #DeepLearning #MedicalEducation #MedEd #ai in medicine

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The UK has just launched a star-studded National Commission to rewrite the rulebook for AI in the NHS. The goal: faster, safer innovation for patients. It could be a powerful accelerator and will hopefully avoid the pull of becoming another talking shop lost in bureaucracy.

#HealthAI #AIinHealthcare #DigitalHealth #NHS #HealthTech #Regulation #MHRA #Innovation #MedTech #PatientSafety #FutureofHealthcare #UKInnovation

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How does an AI model quantify a mistake? It uses a "loss function" – a scorecard that penalises different types of errors. In this episode, we explain what a loss function is, why it's not a one-size-fits-all tool, and how it reveals the true clinical priorities of any AI model. A crucial concept for critically appraising new research.

#LossFunction #AIinHealthcare #MachineLearning #ClinicalAI #HealthTech #DigitalHealth #MedicalEducation #MedEd #CriticalAppraisal #ai in medicine Music generated by Mubert https://mubert.com/render

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