Venk Murthy MD PhD✓

@venkmurthy

AI applied to cardiometabolic prevention & multimodality cardiovascular imaging; Posts may be my opinions & are not medical advice; RT≠endorse

2.8K Following24K Followers58.4K Posts
  1. Venk Murthy MD PhD✓@venkmurthy
    My tweets are not a news outlet (i.e. "All the News That's Fit to Print"). I tweet what I find interesting. I don't tweet things that are stated frequently or better by others. My goal is not to please all readers but simply to amuse myself.
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  2. Venk Murthy MD PhD✓@venkmurthy
    Heros have scars
    Ranvir Shorey @RanvirShorey
    😢🫡🤍
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  3. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @RonKarlsbergMD: The use of AI and healthcare extenders should be a platform for considering an entire revamping of medical education and how our healthcare is delivered. The critical issue is to learn how to learn, not just the facts, which has been a major emphasis of the pre-medical pathway as well as medical education. This ancient approach will need to change very rapidly.
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  4. Venk Murthy MD PhD✓@venkmurthy
    Unexpected consequences are common and often problematic
    Tony LaRocco @TonyLaRocco
    @JoelDeTeves Anthropic/OpenAI (and all other Frontier AI companies for that matter) are causing a paradox. They're trying so desperately hard to avoid agents doing "bad things" but in the act of being so cautious and restrictive, are causing the rise in abliterated/uncensored models.
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  5. Tony LaRocco✓@TonyLaRocco
    Posts @JoelDeTeves
    @JoelDeTeves Anthropic/OpenAI (and all other Frontier AI companies for that matter) are causing a paradox. They're trying so desperately hard to avoid agents doing "bad things" but in the act of being so cautious and restrictive, are causing the rise in abliterated/uncensored models.
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  6. Venk Murthy MD PhD✓@venkmurthy
    This is a positive trend we are also starting to hear about with shorter medical school curriculal
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  7. Venk Murthy MD PhD✓@venkmurthy
    Some medical societies bring in retired politicians to talk about the past for their keynotes, others bring in Nobel scientists to talk about the future!
    Katalin Susztak @KSusztak
    Craig Mello kicking off the nephrology meeting ! @ASNKidney RNA medicines and oligo therapies will be the next generation cures for the kidney patients
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  8. Katalin Susztak✓@KSusztak
    Craig Mello kicking off the nephrology meeting ! @ASNKidney RNA medicines and oligo therapies will be the next generation cures for the kidney patients
    Download
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  9. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @PatrickHeizer: We can't brute force compute all possible moves in Go, a static game with a simple 19 x 19 grid, yet somehow people think we're going to simulate a dynamic system of trillions of cells each containing trillions of molecules.
    Mira @_Mira___Mira_
    If you had an exponential amount of compute you could solve simulate biology exactly and wouldn't need to run any experiments. Some of you will think "of course, but that's an unrealistic assumption" and others will think "no, you need experiments even with that much compute. That's just How It's Done". You would of course need evaluations once you have a solution, but you don't in principle need experiments to find it: Experiments are a way to save compute, dating from a time when it was much more expensive. And I think the presentation is exponential but real systems aren't irreducibly exponential. AlphaFold worked, after all.
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  10. Mira✓@_Mira___Mira_
    If you had an exponential amount of compute you could solve simulate biology exactly and wouldn't need to run any experiments. Some of you will think "of course, but that's an unrealistic assumption" and others will think "no, you need experiments even with that much compute. That's just How It's Done". You would of course need evaluations once you have a solution, but you don't in principle need experiments to find it: Experiments are a way to save compute, dating from a time when it was much more expensive. And I think the presentation is exponential but real systems aren't irreducibly exponential. AlphaFold worked, after all.
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  11. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @David_Ouyang: Updated with sections on structural heart echo. Walks through the steps for TAVR, mTEER, and tTEER. This includes 3D models as well as simulated 2D ultrasound images. Would appreciate feedback and suggestions for improvement!
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  12. Venk Murthy MD PhD✓@venkmurthy
    This cycle is broken. Important results should be released when they are ready, not because of hype cycles around major meetings!
    Harold J. Burstein, MD, PhD, FASCO @DrHBurstein
    The leaked Merck vaccine data @myESMO underscore the challenges of the orchestrated theater of Act 1, company press release -> Act 2 hold data -> Act 3 public report at major meetings. Act 2, the hold phase, builds excitement for the company & discussion but inevitably there are data shared with KOLs and other stakeholders. $MRNA rose 276% (🔼mkt cap $40+B) on press release and fell 18% (🔽$12B) on leak. Seems unclear how this orchestration helps patients or actual research. To the extent there is peer review, it is done by the journals and not the meeting organizers themselves. @adamfeuerstein @matthewherper
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  13. Harold J. Burstein, MD, PhD, FASCO✓@DrHBurstein
    The leaked Merck vaccine data @myESMO underscore the challenges of the orchestrated theater of Act 1, company press release -> Act 2 hold data -> Act 3 public report at major meetings. Act 2, the hold phase, builds excitement for the company & discussion but inevitably there are data shared with KOLs and other stakeholders. $MRNA rose 276% (🔼mkt cap $40+B) on press release and fell 18% (🔽$12B) on leak. Seems unclear how this orchestration helps patients or actual research. To the extent there is peer review, it is done by the journals and not the meeting organizers themselves. @adamfeuerstein @matthewherper
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  14. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @AnilMakam: So the media and KOLs failed miserably in carrying their water based on press release without any data. What.A.Shocker What do you call failing over and over?
    Harold J. Burstein, MD, PhD, FASCO @DrHBurstein
    The leaked Merck vaccine data @myESMO underscore the challenges of the orchestrated theater of Act 1, company press release -> Act 2 hold data -> Act 3 public report at major meetings. Act 2, the hold phase, builds excitement for the company & discussion but inevitably there are data shared with KOLs and other stakeholders. $MRNA rose 276% (🔼mkt cap $40+B) on press release and fell 18% (🔽$12B) on leak. Seems unclear how this orchestration helps patients or actual research. To the extent there is peer review, it is done by the journals and not the meeting organizers themselves. @adamfeuerstein @matthewherper
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  15. Venk Murthy MD PhD✓@venkmurthy
    Yep. And because of caps on some overall buckets of Medicare spend, one day this could manifest in further cuts to physician payments!
    Joseph Marine @DrJMarine
    Medicine will be the only field in which AI increases cost. Why are doctors allowing AI companies to feed off of the Physician Fee Schedule?
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  16. Joseph Marine✓@DrJMarine
    Medicine will be the only field in which AI increases cost. Why are doctors allowing AI companies to feed off of the Physician Fee Schedule?
    Wil @WillyRontgen
    Medicare paying hospitals an extra $137.53 for a chest CT they run thru AIDoc Multi-Triage CT Body software, meanwhile rad actually reading the study only makes about $49. Makes sense.
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  17. Venk Murthy MD PhD✓@venkmurthy
    Same thing is happening for ECGs and about to happen for echocardiograms
    Wil @WillyRontgen
    Medicare paying hospitals an extra $137.53 for a chest CT they run thru AIDoc Multi-Triage CT Body software, meanwhile rad actually reading the study only makes about $49. Makes sense.
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  18. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @WillyRontgen: Medicare paying hospitals an extra $137.53 for a chest CT they run thru AIDoc Multi-Triage CT Body software, meanwhile rad actually reading the study only makes about $49. Makes sense.
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  19. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @nlindenberg: Agree, and that monopoly is already eroding. Editors still decide what gets printed. They no longer get the last word on what it means.
    Venk Murthy MD PhD @venkmurthy
    I have said it for years: editors are the single weakest link in the academic system IMO This is a power that should not reside in central planners (see Hayek) but in the wisdom of the community * Disclosure: I am currently and have been an editor
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  20. Venk Murthy MD PhD✓@venkmurthy
    I have said it for years: editors are the single weakest link in the academic system IMO This is a power that should not reside in central planners (see Hayek) but in the wisdom of the community * Disclosure: I am currently and have been an editor
    Jason Locasale @LocasaleLab
    Quid pro quo is rampant in academic peer review and publishing. But I would be shocked if it were as explicit as “pay me $300K and I’ll publish your paper.” Editors are generally not stupid enough to spell out an arrangement like that. Those working for publicly traded publishing companies like this guy know they would risk their jobs and criminal prosecution. Where it gets murky is paid conference travel that looks like a luxury vacation, cozying up to editors, buying them meals and drinks, and socializing with them. Networks form, and getting into those networks can be key to getting grants and papers published. Editors have friends in those circles too. They notice who you know and who you are associated with. At some journals, you build good relationships with the editors. At others, you never manage to crack the system. Over time, you learn what particular editors like, which subjects excite them, and how they want a story presented. You start shaping your work and its presentation around those preferences. There is a game to play, and you learn how to play it. The influence rarely if ever needs to take the form of an explicit transaction. It becomes embedded in relationships, access, and reciprocal favors, until anticipating what pleases the gatekeepers starts shaping the science itself.
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  21. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @emollick: By every measure, Opus 4.8 beats human experts as peer reviewers in a study of 124 Harvard social science papers covering a range from statistical analyses to formal models to qualitative work. As academics, we need to figure out how to adapt the practice of science to AI, fast.
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  22. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @cheprofessor: If offered odds, I'd bet that within 5 (max 10) years, publishing as we know now would have disappeared. Papers (preprints) will be available quickly for all to see with reviews coming from everywhere - and AI will help with the process. The lack of gate keepers will be very disruptive and the noise will almost certainly increase for a while - but slowly but surely the end result will be the "internet" where we will find the latest and greatest work with "confidence limits" on what to believe and what to reject.
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  23. Jason Locasale✓@LocasaleLab
    Quid pro quo is rampant in academic peer review and publishing. But I would be shocked if it were as explicit as “pay me $300K and I’ll publish your paper.” Editors are generally not stupid enough to spell out an arrangement like that. Those working for publicly traded publishing companies like this guy know they would risk their jobs and criminal prosecution. Where it gets murky is paid conference travel that looks like a luxury vacation, cozying up to editors, buying them meals and drinks, and socializing with them. Networks form, and getting into those networks can be key to getting grants and papers published. Editors have friends in those circles too. They notice who you know and who you are associated with. At some journals, you build good relationships with the editors. At others, you never manage to crack the system. Over time, you learn what particular editors like, which subjects excite them, and how they want a story presented. You start shaping your work and its presentation around those preferences. There is a game to play, and you learn how to play it. The influence rarely if ever needs to take the form of an explicit transaction. It becomes embedded in relationships, access, and reciprocal favors, until anticipating what pleases the gatekeepers starts shaping the science itself.
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  24. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @R_H_Ebright: "As to why authors would be willing to spend massive sums to bribe journals, the industry insider said...'It is essentially an investment,' he said, noting that once a paper was published in a top journal, 'all sorts of academic titles, resources and research grants follow'"
    Richard H. Ebright @R_H_Ebright
    Allegation: "the journal editor in question gave the clinician submitting the manuscript a quote: 'An initial payment of 2 million yuan (US$299,000), with more potentially required later.'"
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  25. Richard H. Ebright✓@R_H_Ebright
    Allegation: "the journal editor in question gave the clinician submitting the manuscript a quote: 'An initial payment of 2 million yuan (US$299,000), with more potentially required later.'"
    Download
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  26. Venk Murthy MD PhD✓@venkmurthy
    Peer review problems anticipated by AI!
    Sam Altman @sama
    The back of the Navier-Stokes milestone shirt is the last line of the chain-of-thought from the solution:
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  27. Sam Altman✓@sama
    The back of the Navier-Stokes milestone shirt is the last line of the chain-of-thought from the solution:
    Download
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  28. Venk Murthy MD PhD✓@venkmurthy
    Venk Murthy MD PhD
    RT @LocasaleLab: Bryan is spot on about the gap between sequencing a genome and knowing what to do with it. The Human Genome Project was hyped as the be-all and end-all of understanding human disease. Meanwhile, areas concerned with how our bodies interact with the environment, including diet, physical activity, environmental exposures, pharmacology, and toxicology, were neglected for decades. We’re left with Bryan leading the way because scientists don’t have good answers to the questions most people are interested in. Leading institutions such as NIH and FDA helped entrench those priorities. We became extraordinarily good at reading genetic sequences while leaving fundamental questions about human physiology and metabolism unanswered. It’s time to change those priorities and give these neglected areas the scientific attention they deserve.
    Bryan Johnson @bryan_johnson
    I can't find a way to use my genome. I’m the most intense longevity athlete in the world and haven’t used my genome for a single thing. Fully sequenced in 2012. Again this year, paying $7,902 for matched 30x long read + 100x short read. Still, nothing. What am I missing?
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  29. Bryan Johnson✓@bryan_johnson
    I can't find a way to use my genome. I’m the most intense longevity athlete in the world and haven’t used my genome for a single thing. Fully sequenced in 2012. Again this year, paying $7,902 for matched 30x long read + 100x short read. Still, nothing. What am I missing?
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  30. Venk Murthy MD PhD✓@venkmurthy
    For most people, genetic sequencing adds little to health management
    Bryan Johnson @bryan_johnson
    I can't find a way to use my genome. I’m the most intense longevity athlete in the world and haven’t used my genome for a single thing. Fully sequenced in 2012. Again this year, paying $7,902 for matched 30x long read + 100x short read. Still, nothing. What am I missing?
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