• What Hospitals Actually Need Before They'll Deploy Your AI
    May 19 2026

    Will AI eliminate primary care — or finally give primary care physicians their time back?

    That's the central question driving this episode, as Dr. Junaid Kalia, Dr. Harvey Castro, and Ed Marx sit down with Dr. John Dayton — an ER physician who has evaluated healthcare startups as an angel investor, built pilots at Intermountain Ventures, and is now raising a $5M fund. He brings a rare view of what AI looks like from the bedside, the boardroom, and the cap table. Dr. Dayton maps how AI decisions actually get made inside health systems: why a technology has to align with the CEO's mission, the CFO's budget, the CTO's existing stack, and clinical staff's real workflow — and why losing any one of those four is where most implementations quietly stall.

    For physicians and healthcare enthusiasts who want to separate signal from noise — and understand whether the tools landing on their unit deserve to be there — this is the peer-to-peer analysis that conference keynotes never deliver.

    What You Will Discover:

    - Intro: John Dayton's origin story

    - Why He Never Really Left Medicine

    - How hospitals actually make AI decisions

    - Is an MBA worth it if it's not free?

    - The Decision Making Approach Inside Health Systems

    - The Two Questions Nobody Answers Directly

    It's not about whether AI is ready for clinical use. It's about whether clinicians are ready to guide patients who are already using it.

    Referenced in the show:

    🖇️ "Professional Development and Upskilling Resources for Clinicians" – https://www.linkedin.com/pulse/professional-development-upskilling-resources-john-dayton-md-mba-xlpmc/

    Connect with us:

    Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™

    💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd

    🔗Website - https://www.junaidkalia.com/

    📹YouTube - https://www.youtube.com/@junaidkaliamd

    Dr. Harvey Castro, ER Physician, #DrGPT™

    💼LinkedIn - https://www.linkedin.com/in/harveycastromd/

    🔗Website - https://www.harveycastromd.com/

    📷Instagram - https://www.instagram.com/harveycastromd/?hl=en

    📑 Substack - https://harveycastromd.substack.com/

    Edward Marx, CEO, Advisor

    💼LinkedIn - https://www.linkedin.com/in/edwardmarx/

    🔗Website - https://www.marxadvisory.com/

    📹YouTube - https://www.youtube.com/@EdwardMarx

    Special Guest:

    John Dayton, MD, MBA

    💼LinkedIn - linkedin.com/in/johndaytonmd

    Visit our website:

    https://signalandsymptoms.com/

    Get advisory insights about Healthcare AI — at zero cost:

    https://junaidkaliamd.substack.com/

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    20 Min.
  • The Hidden Risk of AI-Powered Clinical Decisions
    May 12 2026

    You already know not every AI tool belongs in your workflow. The real question is whether your filter is sharp enough to tell the difference.

    In this episode, Dr. Junaid Kalia and Dr. Harvey Castro sit down with Dr. Hansa Bhargava, Chief Innovation Officer at Healio and a physician who has spent her career building trust at scale, to examine what trustworthy clinical AI actually looks like from the inside. They trace how the content integrity crisis predates AI, why clinician-in-the-loop development is the clearest signal of a tool worth adopting, and how evidence-sourced curation is the only real defense against sophisticated noise at the point of care.

    The stakes go deeper than adoption. Who carries the legal weight when AI-assisted decisions go wrong? And are the physicians leaning into AI today quietly trading long-term clinical judgment for short-term efficiency? This episode doesn't evaluate the tools — it reframes what's actually at risk.

    What You Will Discover:

    - Intro: Building Trust in Medical Literature

    - Dr. Hansa’s Journey in Architecting Trust

    - Her North Star: Better Patient Outcomes

    - Is Clinical Research Already Compromised Before AI?

    - Why AI Is Built to Agree With You

    - Clinician-in-the-Loop is the #1 Trust Signal

    - The Biggest Risk & Opportunity in the Age of AI

    Connect with us:

    Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™

    💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd

    🔗Website - https://www.junaidkalia.com/

    📹YouTube - https://www.youtube.com/@junaidkaliamd

    Dr. Harvey Castro, ER Physician, #DrGPT™

    💼LinkedIn - https://www.linkedin.com/in/harveycastromd/

    🔗Website - https://www.harveycastromd.com/

    📷Instagram - https://www.instagram.com/harveycastromd/?hl=en

    📑 Substack - https://harveycastromd.substack.com/

    Edward Marx, CEO, Advisor

    💼LinkedIn - https://www.linkedin.com/in/edwardmarx/

    🔗Website - https://www.marxadvisory.com/

    📹YouTube - https://www.youtube.com/@EdwardMarx

    Special Guest:

    Hansa Bhargava MD

    💼LinkedIn - https://www.linkedin.com/in/hansa-bhargava-mdd-752a463a/

    Visit our website:

    https://signalandsymptoms.com/

    Get advisory insights about Healthcare AI — at zero cost:

    https://junaidkaliamd.substack.com/

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    18 Min.
  • Why Will Digital Twins Change the Way We Treat Patients?
    May 5 2026

    What if the most powerful diagnostic tool wasn't a scan or a lab result — but a continuously learning model of your patient, built from their own data?

    In this episode, Dr. Junaid Kalia sits down with co-host Dr. Harvey Castro, this time in the guest seat, to unpack one of the most transformative concepts in modern medicine: the healthcare digital twin. They trace how the concept evolved from NASA simulations and factory floors into clinical reality, breaking it down clearly for those new to the idea while grounding it in real applications — predictive analytics, personalized pharmacogenomics, and Harvey's personal digital twin, which he built and uses today. They also don't shy away from the harder questions: data privacy, implementation costs, the global adoption gap, and the tension between rapid innovation and regulation that can barely keep pace.

    Whether you're a clinician thinking about what's next for patient care, or a healthcare enthusiast trying to make sense of where medicine is heading, this episode gives you a grounded, honest look at a technology that's closer than you think.

    What You Will Discover:

    - Intro: What Are Healthcare Digital Twins?

    - The Human + AI Concept: Harvey's Personal Digital Twin

    - Top 3 Applications for Digital Twin Transforming Patient Care

    - Data Privacy and Cybersecurity Risks

    - Why Culture Is the Real Rate-Limiting Step

    - Implementation Challenges in the US vs. Other Countries

    - Are Tokens Reliably Used in Healthcare?

    - Genetics, Epigenomics & the Future of Point-of-Care Treatment

    - The Future We're Building: A Final Word from Two Doctors

    Resources:

    🔗 Ask Harvey a healthcare AI question –– https://harvey.deepfoundai.com/

    Connect with us:

    Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™

    💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd

    🔗Website - https://www.junaidkalia.com/

    📹YouTube - https://www.youtube.com/@junaidkaliamd

    Dr. Harvey Castro, ER Physician, #DrGPT™

    💼LinkedIn - https://www.linkedin.com/in/harveycastromd/

    🔗Website - https://www.harveycastromd.com/

    📷Instagram - https://www.instagram.com/harveycastromd/?hl=en

    📑 Substack - https://harveycastromd.substack.com/

    Edward Marx, CEO, Advisor

    💼LinkedIn - https://www.linkedin.com/in/edwardmarx/

    🔗Website - https://www.marxadvisory.com/

    📹YouTube - https://www.youtube.com/@EdwardMarx

    Visit our website:

    https://signalandsymptoms.com/

    Get advisory insights about Healthcare AI — at zero cost:

    https://junaidkaliamd.substack.com/

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    19 Min.
  • What Happens to Hospital Revenue When AI Replaces Primary Care?
    Apr 28 2026

    Most healthcare conversations stop at disruption, but this one starts there.

    In this episode, three healthcare experts sit down to map what happens when AI doesn't just change clinical workflows — it rewires the economics behind them. From the slow-adoption trap crippling hospital governance, to the cultural lag quietly signaling a broken system, to a collapse of the referral pipeline impacting financial stability — the kind of conversation most boardrooms aren't having yet.

    The twin disruption isn't coming. It's already restructuring the room. Where do you stand?

    What You Will Discover:

    - Intro: The Twin Disruption No One's Naming

    - Slow Adoption Is Now a Liability

    - Culture Is the Real Bottleneck

    - Will Hospitals Need to Sell Off Physical Assets?

    - On Restructuring Value-Based Care

    - The Shift to 'Tokenized Economy’ in Healthcare

    Referenced in the show:

    🖇️ "The Twin Disruption: How AI is Rewriting the Economics of Healthcare" – https://drive.google.com/file/d/1dGc9RXPlnpZTbs0VEvWJdrDH-0PCEttP/view?usp=sharing

    Connect with us:

    Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™

    💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd

    🔗Website - https://www.junaidkalia.com/

    📹YouTube - https://www.youtube.com/@junaidkaliamd

    Dr. Harvey Castro, ER Physician, #DrGPT™

    💼LinkedIn - https://www.linkedin.com/in/harveycastromd/

    🔗Website - https://www.harveycastromd.com/

    📷Instagram - https://www.instagram.com/harveycastromd/?hl=en

    📑 Substack - https://harveycastromd.substack.com/

    Edward Marx, CEO, Advisor

    💼LinkedIn - https://www.linkedin.com/in/edwardmarx/

    🔗Website - https://www.marxadvisory.com/

    📹YouTube - https://www.youtube.com/@EdwardMarx

    Visit our website:

    https://signalandsymptoms.com/

    Get advisory insights about Healthcare AI — at zero cost:

    https://junaidkaliamd.substack.com/

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    18 Min.
  • The Business Playbook for Physicians Who Want to Win Beyond the Clinic
    Apr 21 2026

    You went into medicine to save lives. But somewhere between residency and the real world, you started wondering — is there more I could be doing?

    That question is not a distraction. It might be your next diagnosis, and the biggest obstacle is knowing where to start.

    In this episode, host Dr. Junaid Kalia sits down with Dr. Sara Rana, a physician-turned-venture capitalist and MD-MBA, who saw the gap between healthcare and finance firsthand and built her career bridging it. The conversation moves from her origin story into the practical frameworks, honest realities, and hard-earned wisdom any physician can act on today.

    What You Will Discover:

    - Intro: Dr. Sara’s Origin Story

    - Why Physicians Must Speak Business

    - Charting Her Own Path as Venture Capitalist

    - Inflation, AI & the Forces Reshaping Financial Future

    - Does Race & Gender Matter?

    - 4 Entry Points to Entrepreneurship

    - The Advice That Reframes the Struggle

    - Does Geography Make or Break You?

    The same disruption reshaping healthcare through AI is exactly why physicians can no longer afford to only speak medicine. This conversation is where that journey begins.

    Connect with us:

    Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™

    💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd

    🔗Website - https://www.junaidkalia.com/

    📹YouTube - https://www.youtube.com/@junaidkaliamd

    Dr. Harvey Castro, ER Physician, #DrGPT™

    💼LinkedIn - https://www.linkedin.com/in/harveycastromd/

    🔗Website - https://www.harveycastromd.com/

    📷Instagram - https://www.instagram.com/harveycastromd/?hl=en

    📑 Substack - https://harveycastromd.substack.com/

    Edward Marx, CEO, Advisor

    💼LinkedIn - https://www.linkedin.com/in/edwardmarx/

    🔗Website - https://www.marxadvisory.com/

    📹YouTube - https://www.youtube.com/@EdwardMarx

    Special Guest:

    Sara Rana, MD, MBA

    💼LinkedIn - https://www.linkedin.com/in/sararana/

    Visit our website:

    https://signalandsymptoms.com/

    Get advisory insights about Healthcare AI — at zero cost:

    https://junaidkaliamd.substack.com/

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    20 Min.
  • How Ultrasound Frequencies Enable Early Intervention and Save Lives
    Apr 14 2026
    What if the difference between a late diagnosis and a successful intervention was simply how we decode the signals of a sound wave?In this episode, we are discussing the transition of ultrasound from a static hospital tool to a mobile network of care that brings diagnostics directly to the patient. Dr. Junaid Kalia, Dr. Harvey Castro, and Edward Marx explore a radical shift in medical imaging with Soner, Co-founder and CEO of PONS Tech. By analyzing raw ultrasound frequencies rather than just the visual image, PONS makes visible the early-stage features that are typically invisible on a standard scan. This episode breaks down how we can empower non-specialists—like nurses and caregivers—to perform expert-level scans without disrupting the radiologist's existing workflow.From navigating clinical "dyad" leadership to addressing the financial barriers of the current revenue cycle, we map out how to rebuild a reactive healthcare system into a proactive, community-based signal of care.What You Will Discover:Intro: From Personal Tragedy to a Medical Innovation- Why PONS Focuses on Raw Frequency-Level Dynamics- How the Tech is Scaling Diagnostic Accuracy - On Addressing the Limitations of Mammography- Why Health Systems Must Rethink How We Pay for Prevention- Shifting Health Systems Toward Continuous Preventive Care🎤 Host Spotlight: Ed Marx is keynoting the Northwood University Health Care Summit on April 22. Worth a watch — register here: https://lnkd.in/gSi82Zd8Connect with us:Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd🔗Website - https://www.junaidkalia.com/📹YouTube - https://www.youtube.com/@junaidkaliamdDr. Harvey Castro, ER Physician, #DrGPT™💼LinkedIn - https://www.linkedin.com/in/harveycastromd/🔗Website - https://www.harveycastromd.com/📷Instagram - https://www.instagram.com/harveycastromd/?hl=en📑 Substack - https://harveycastromd.substack.com/Edward Marx, CEO, Advisor💼LinkedIn - https://www.linkedin.com/in/edwardmarx/🔗Website - https://www.marxadvisory.com/📹YouTube - https://www.youtube.com/@EdwardMarxSpecial Guest:Soner Hacıhaliloğlu, Co-Founder and CEO of PONS💼LinkedIn - https://www.linkedin.com/in/sonerhaci/Visit our website:https://signalandsymptoms.com/Get advisory insights about Healthcare AI — at zero cost:https://junaidkaliamd.substack.com/
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    18 Min.
  • The Treatment Exists But Why Aren't Patients Getting It?
    Mar 31 2026
    What if the real barrier to better patient outcomes isn't the medicine — it's the infrastructure to prescribe it well?This episode surfaces a broader signal: personalized medicine is no longer a future ambition — it's a present clinical need. And the system, as it stands, is not equipped to deliver it at scale.Joining the conversation are Itay Segal and Dr. Jean-Claude, co-founders of Unlock Healthcare, to explore one of medicine's most underexamined tensions: the gap between what a treatment can do and what the current system is built to support. The discussion centers on cannabinoid medicine — not as a cultural phenomenon, but as a clinical case study for why one-size-fits-all care fails the patients who need personalized treatment most.This episode asks the harder question: before we can treat patients better, do we have the right foundation in place to even try?What You Will Discover:- The Gap Between Need and Treatment- Infrastructure as the Real Innovation- Why One Size Fits No One- The Physician as Informed Partner, Not Just Licensor- The Regulatory Runway- The Evidence GapA note from Signal & SymptomsThis episode doesn't center on AI — and that's precisely the point. Before AI can meaningfully improve patient outcomes, the clinical infrastructure to capture, act on, and learn from patient data has to exist first. What Unlock Healthcare is building is that foundation layer. We separate signal from noise at Signal & Symptoms, and this episode's signal is clear: the future of treatment depends as much on the systems we build around medicine as on the medicine itself.References:🖇️ "DRGPT AI Lessons (3 books)" – https://www.amazon.com/dp/B0GTNQ18K2?binding=paperbackConnect with us:Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd 🔗Website - https://www.junaidkalia.com/ 📹YouTube - https://www.youtube.com/@junaidkaliamd Dr. Harvey Castro, ER Physician, #DrGPT™💼LinkedIn - https://www.linkedin.com/in/harveycastromd/ 🔗Website - https://www.harveycastromd.com/ 📷Instagram - https://www.instagram.com/harveycastromd/?hl=en 📑 Substack - https://harveycastromd.substack.com/ Edward Marx, CEO, Advisor 💼LinkedIn - https://www.linkedin.com/in/edwardmarx/ 🔗Website - https://www.marxadvisory.com/ 📹YouTube - https://www.youtube.com/@EdwardMarx Special Guests:Itay Segal, Co-Founder, CEO at Unlock.Healthcare💼LinkedIn - https://www.linkedin.com/in/itay-segal-723b488/Jean Claude Scicluna, MD, MSc, Co-Founder, Medical Director at Unlock.Healthcare💼LinkedIn - https://www.linkedin.com/in/jeanclaudescicluna/ Visit our website:https://signalandsymptoms.com/Get advisory insights about Healthcare AI — at zero cost:https://junaidkaliamd.substack.com/
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    20 Min.
  • AI Is In Healthcare—So Why Isn't It Working?
    Mar 24 2026

    The overarching signal is: we're early, it's messy, and the people closest to the work know it best.

    In this episode, Dr. Andrew Kim joins hosts Dr. Junaid Kalia, Dr. Harvey Castro, and Edward Marx for an unfiltered look at what healthcare AI implementation looks like from the inside. They are diagnosing the vendor translation failures, the physician workflow wars, the governance structures being built in real time, and the looming AI-vs-AI battle between health systems and insurance companies.

    The episode reveals an insider implementer’s perspective on where most AI deployments succeed or fail. Tune in to reflect on where your organization sits on the healthcare AI adoption curve, and what role you play in closing the gap.

    What You Will Discover:

    - The AI Market Diagnosis

    - Why Doctors Won't Adopt Tools Disrupting Workflows

    - What Health Systems Need More to Govern AI

    - Where AI Transforms Healthcare Operations

    - How Healthcare Leaders Envision the Future

    - Personalization vs. McDonaldization in Medicine

    Referenced in the show:

    🖇️ "Use of Ambient AI Scribes to Reduce Administrative Burden and Professional Burnout" – https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2839542

    Connect with us:

    Dr. Junaid Kalia, Neurocritical Care Specialist and Founder of Savelife.AI™

    💼LinkedIn - https://www.linkedin.com/in/junaidkaliamd

    🔗Website - https://www.junaidkalia.com/

    📹YouTube - https://www.youtube.com/@junaidkaliamd

    Dr. Harvey Castro, ER Physician, #DrGPT™

    💼LinkedIn - https://www.linkedin.com/in/harveycastromd/

    🔗Website - https://www.harveycastromd.com/

    📷Instagram - https://www.instagram.com/harveycastromd/?hl=en

    📑 Substack - https://harveycastromd.substack.com/

    Edward Marx, CEO, Advisor

    💼LinkedIn - https://www.linkedin.com/in/edwardmarx/

    🔗Website - https://www.marxadvisory.com/

    📹YouTube - https://www.youtube.com/@EdwardMarx

    Special Guest:

    Andrew Kim, MD, MBA, Director of Physician Informatics, Baylor Scott & White Health

    💼LinkedIn - https://www.linkedin.com/in/andrew-kim-md-mba-65364a4/

    Visit our website:

    https://signalandsymptoms.com/

    Get advisory insights about Healthcare AI — at zero cost:

    https://junaidkaliamd.substack.com/

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    20 Min.