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wawayanda 9 hours ago

A year or so ago, I fed my wife's blood work results into chatgpt and it came back with a terrifying diagnosis. Even after a lot of back and forth it stuck to its guns. We went to a specialist who performed some additional tests and explained that the condition cannot be diagnosed with just the original blood work and said that she did not have the condition. The whole thing was a borderline traumatic ordeal that I'm still pretty pissed about.

greenknight 6 hours ago | parent | next [-]

On the flip side, i had some pain in my chest... RUQ (right upper quadrant for those medical folk).

On the way to the hospital, ChatGPT was pretty confident it was a issue with my gallbladder due to me having a fatty meal for lunch (but it was delicious).

After an extended wait time to be seen, they didnt ask about anything like that, and at the end they were like anything else to add, added it in about ChatGPT / Gallbladder... discharged 5 minutes later with suspicion of Gallbladder as they couldnt do anything that night.

Over the next few weeks, got test after test after test, to try and figure out whats going on. MRI. CT. Ultrasound etc.etc. they all came back negative for the gallbladder.

ChatGPT was persistant. It said to get a HIDA scan, a more specialised scan. My GP was a bit reluctant but agreed. Got it, and was diagnosed with a hyperkinetic gallbladder. It is still unrecognised as an issue, but mostly accepted. So much so my surgeon initally said that it wasnt a thing (then after doing research about it, says it is a thing)... and a gastroentologist also said it wasnt a thing.

Had it taken out a few weeks ago, and it was chroically inflammed. Which means the removal was the correct path to go down.

It just sucks that your wife was on the other end of things.

rubatuga an hour ago | parent | next [-]

If it was inflamed would your GGT level be high?

tharkun__ 5 hours ago | parent | prev [-]

This reminds me of another recent comment in some other post, about doctors not diagnosing "hard to diagnose" things.

There are probably ("good") reasons for this. But your own persistence, and today the help of AI, can potentially help you. The problem with it is the same problem as previously: "charlatans". Just that today the charlatan and the savior are both one and the same: The AI.

I do recognize that most people probably can't tell one from the other. In both cases ;)

You'll find this in my post history a few times now but essentially: I was lethargic all the time, got migraine type headaches "randomly" a lot. Having the feeling I'd need to puke. One time I had to stop driving as it just got so bad. I suddenly was no longer able to tolerate alcohol either.

I went to multiple doctors, was sent to specialists, who all told me that they could maaaaaybe do test XYX but essentially: It wasn't a thing, I was crazy.

Through a lot of online research I "figured out" (and that's an over-statement) that it was something about the gut microbiome. Something to do with histamine. I tried a bunch of things, like I suspected it might be DAO (Di-Amino-Oxidase) insufficiency. I tried a bunch of probiotics, both the "heals all your stuff" and "you need to take a single strain or it won't work" type stuff. Including "just take Actimel". Actimel gave me headaches! Turns out one of the (prominent) strains in there makes histamine. Guess what, Alcohol, especially some, has histamines and your "hangover" is also essentially histamines (made worse by the dehydration). And guess what else, some foods, especially some I love, contain or break down into histamines.

So I figured that somehow it's all about histamines and how my current gut microbiome does not deal well with excess histamines (through whichever source). None of the doctors I went to believed this to be a "thing" nor did they want to do anything about it. Then I found a pro-biotic that actually helped. If you really want to check what I am taking, check the history. I'm not a marketing machine. What I do believe is that one particular bacterium helped, because it's the one thing that wasn't in any of the other ones I took: Bacillus subtilis.

A soil based bacterium, which in the olden times, you'd have gotten from slightly not well enough cleaned cabbage or whatever vegetable du jour you were eating. Essentially: if your toddler stuffs his face with a handful of dirt, that's one thing they'd be getting and it's for the better! I'm saying this, because the rest of the formulation was essentially the same as the others I tried.

I took three pills per day, breakfast, lunch and dinner. I felt like shit for two weeks, even getting headaches again. I stuck with it. After about two weeks I started feeling better. I think that's when my gut microbiome got "turned around". I was no longer lethargic and I could eat blue cheese and lasagna three days in a row with two glasses of red wine and not get a headache any longer! Those are all foods that contain or make lots of histamine. I still take one per day and I have no more issues.

But you gotta get to this, somehow, through all of the bullshit people that try to sell you their "miracle cure" stuff. And it's just as hard as trying to suss out where the AI is bullshitting you.

There was exactly a single doctor in my life, who I would consider good in that regard. I had already figured the above one out by that time but I was doing keto and it got all of my blood markers, except for cholesterol into normal again. She literally "googled" with me about keto a few times, did a blood test to confirm that I was in ketosis and in general was just awesome about this. She was notoriously difficult to book and later than any doctor for schedules appointments, but she took her time and even that would not really ever have been enough to suss out the stuff that I figured out through research myself if you ask me. While doctors are the "half gods in white", I think there's just way too much stuff and way too little time for them. It's like: All the bugs at your place of work. Now imagine you had exactly one doctor across a multitude of companies. Of course they only figure out the "common" ones ...

xenonite 2 hours ago | parent | next [-]

Interesting to read, thank you very much. Are you still eating ketogenic? The bacillus subtilis seems to metabolize glucose, so are yours still alive? And did you try other probiotica beforehand? I am having HIT and eating a mostly carnivore diet with mostly fresh/unfermented meat.

tstrimple an hour ago | parent | prev [-]

It's horses not zebras until it's actually a zebra and your life depends on it. I think those sorts of guidelines are useful in the general case. But many medical issues quickly move beyond the general case and need closer examination. Not sure how you do that effectively without wasting tons of money on folks with indigestion.

worldsavior 2 hours ago | parent | prev | next [-]

I think it's your problem you got stressed from a probabilistic machine answering with what you want to hear.

lugu 40 minutes ago | parent | prev | next [-]

I am sorry I have to say so, but the value of LLM is their ability to reason based on their context. Don't use them as smart wikipedia (without context). To your use case, provide them with different textbook and practice handbook and with the medical history of the person. Then ask your question in a neutral way. Then ask it to verify their claim in another session and provide references.

It is so unfortunate that a general chatbot designed to answer anything was the first use case pushed. I get it when people are pissed.

fn-mote 7 hours ago | parent | prev | next [-]

> I fed my wife's blood work results into chatgpt and it came back with a terrifying diagnosis

I don't get it... a doctor ordered the blood work, right? And surely they did not have this opinion or you would have been sent to a specialist right away. In this case, the GP who ordered the blood work was the gatekeeper. Shouldn't they have been the person to deal with this inquiry in the first place?

I would be a lot more negative about "the medical establishment" if they had been the ones who put you through the trauma. It sounds like this story is putting yourself through trauma by believing "Dr. GPT" instead of consulting a real doctor.

I will take it as a cautionary tale, and remember it next time I feed all of my test results into an LLM.

kolinko 2 hours ago | parent | next [-]

At least in Poland, I can almost always see my results before my doctor does - I get a notification that the labwork is ready and I can view results online.

Also, the regular bloodwork is around $50-$100 (for noninsured or without a prescription), so many people just do this out of pocket once in a while and only bring to doctor if anything looks suspicious.

Finally, there is EU regulation about data that applies to medical field as well - you always have the right to view all the data that any company has stored about you. Gatekeeping is forbidden by law.

vineyardmike 6 hours ago | parent | prev [-]

You don't need a doctor to order bloodwork. I get a full panel done yearly, just to establish a baseline and trend. I try not to overanalyze it, and just keep it around for a professional in case some real issue arises in the future.

SchemaLoad 7 hours ago | parent | prev | next [-]

I asked a doctor friend why it seems common for healthcare workers to keep the results sheets to themself and just give you a good/bad summary. He told me that the average person can't properly understand the data and will freak themselves out over nothing.

themafia 7 hours ago | parent | prev | next [-]

> it stuck to its guns

It gave you a probabilistic output. There were no guns and nothing to stick to. If you had disrupted the context with enough countervailing opinion it would have "relented" simply because the conversational probabilities changed.

3 hours ago | parent | next [-]
[deleted]
tstrimple an hour ago | parent | prev | next [-]

I was amused but not impressed when I was able to convince Claude Code that it was useless and absolutely not a service worth paying for. It literally apologized and recommended I ask for a refund. I mean, I still get lots of value from CC. Just that it's easy to push them into whatever corner you want.

nprateem 6 hours ago | parent | prev [-]

It's amazing this still needs to be said, especially here

coffeefirst 4 hours ago | parent [-]

Here, sure.

For the general public, these tools have been advertised this way.

So if a good subset of HN still gets fooled, the layperson is screwed.

gizajob 13 minutes ago | parent [-]

Hmm or the layperson wouldn’t be “smart” enough to think that ChatGPT could give useful answers to complex health questions.

gizajob 14 minutes ago | parent | prev | next [-]

You’re pissed about your own stupidity? In asking for deep knowledge and medical advice from a Markov chain?

fouc 6 hours ago | parent | prev | next [-]

> it stuck to its guns

Everyone that encounters this needs to do a clean/fresh prompt with memory disabled to really know if the LLM is going to consistently come to the same conclusion or not.

irjustin 7 hours ago | parent | prev | next [-]

Isn't it two sides to the same coin?

You should be happy about it that it's not the thing specifically when the signs pointed towards it being "the thing"?

themafia 7 hours ago | parent [-]

You are _absolutely_ going to die in the next 30 minutes.

When it doesn't happen will you still be happy?

nprateem 6 hours ago | parent | next [-]

Depends if I'm now broke from blowing it all on crack and hookers.

irjustin 6 hours ago | parent | prev [-]

How is this apples-apples at all?

But to answer directly... yes? yes, I am.

[edit]

A bit it more real. My blood pressure monitor says my bp is 200/160. Chat says you're dead get yourself to a hospital.

Get to the hospital and says oh your bp monitor is wrong.

I'm happy? I would say that I am. Sure I'm annoyed at my machine, but way happier it's wrong than right.

vineyardmike 6 hours ago | parent [-]

This is another example of why its frustrating still.

"Yes I'm happy I'm not dying" ignores that "go to the hospital [and waste a day, maybe some financial cost]" because a machine was wrong. This is still pretty inconvenient because a machine wasn't accurate/calibrated/engineered weak. Not dying is good, but the emotions and fear for a period of time is still bad.

irjustin 3 hours ago | parent [-]

Yeah I guess I just don't see eye-to-eye on this.

I 100% understand those frustrations. That the "detectors" should've been more accurate, or the fears, battery of tests, and costs associated of time and money. But, if you have the means to find out something that could have been extremely concerning is actually "nothing wrong" - isn't that worth it?

My friend is 45, had bloody stool -> colonoscopy -> polyps removed -> benign. Isn't that way better than colon cancer?

Maybe it's a glass half-empty-full thing.

orionsbelt 7 hours ago | parent | prev | next [-]

> "A year or so ago"

What model?

Care to share the conversation? Or try again and see how the latest model does?

jesterson 3 hours ago | parent | prev | next [-]

Never ceases to surpise me why people taking word salad output so seriously.

And probably the same people laugh at ancient folks carefully listening to shamans.

bigbuppo 3 hours ago | parent | prev | next [-]

Why not just ask WebMD?

terribleperson 6 hours ago | parent | prev | next [-]

Do you have a custom prompt/personality set? What is it?

daveguy 8 hours ago | parent | prev [-]

Please keep telling your story. This is the kind of shit that medical science has been dealing with for at least a century. When evaluating testing procedures false positives can have serious consequences. A test that's positive every time will catch every single true positive, but it's also worthless. These LLMs don't have a goddamn clue about it. There should be consequences for these garbage fires giving medical advice.

maerF0x0 8 hours ago | parent [-]

Part of the issue is taking it's output as conclusion rather than as a signal / lead.

I would never let an LLM make an amputate or not decision, but it could convince me to go talk with an expert who sees me in person and takes a holistic view.