The future of AI in medicine | Conor Judge | TEDxGalway
Summary
TLDRThe speaker reflects on his journey from a young boy with a stammer in a drama competition to a medical consultant and lecturer, emphasizing the importance of data in solving medical mysteries. He introduces multimodal AI, which processes diverse data types, as a potential solution to healthcare inefficiencies exacerbated by technology. Highlighting examples of AI in healthcare, he discusses the need for trust, explainability, and clinical trials in implementing AI safely, advocating for a compassionate approach that integrates AI with human expertise.
Takeaways
- 🎭 The speaker's connection to the stage began 26 years ago as a 12-year-old in a drama competition, playing a detective in a play about a hotel robbery.
- 🕵️♂️ The role of a detective in the play mirrors the speaker's current role as a medical consultant, both involving the collection of information to solve a mystery.
- ⏱️ The speaker spends 70% of their time collecting information and 30% making decisions, a ratio that has been exacerbated by technology in the healthcare field.
- 💼 The introduction of electronic health records, designed for billing rather than efficiency, has increased administrative workload for doctors, reducing patient interaction time.
- 🤖 The speaker introduces the concept of multimodal AI, which processes various types of data, as a potential solution to the information overload in healthcare.
- 👨⚕️ The speaker differentiates between single-model AI, like machine learning and computer vision, and multimodal AI, which can process text, images, and numbers.
- 🏥 Examples of single-model AI in healthcare include 'Chest Link' for X-ray triage, an AI model for diagnosing eye diseases and predicting outcomes, and another for predicting Parkinson's disease from retinal images.
- 🗣️ Google's 'Med-PaM' is a large language model that has passed the US medical licensing exam, demonstrating the potential of AI in medical question answering.
- 📲 The multimodal version of 'Chat GPT' and 'Med-PaM M' can analyze medical images and text, providing insights that sometimes surpass human radiologists' reports.
- 🛡️ For multimodal AI to be implemented safely, trust, explainability, and randomized clinical trials are essential to ensure its effectiveness and reliability.
- 🤝 The future of healthcare with AI should prioritize compassion and understanding, allowing doctors to spend more time with patients and improving health outcomes.
Q & A
What was the speaker's first experience on stage 26 years ago?
-The speaker's first experience on stage was at the town hall theater, participating in a drama competition for local schools where he played a detective in a play written by his best friend.
How does the speaker compare his role as a detective to his current profession?
-The speaker compares his role as a detective solving the mystery of who robbed a hotel to his current profession as a medical consultant and lecturer, where he solves medical mysteries by collecting and analyzing patient data.
What is the 70/30 imbalance the speaker refers to in healthcare delivery?
-The 70/30 imbalance refers to the speaker spending 70% of his time collecting information about patients and only 30% making decisions and communicating with them. This imbalance is common in healthcare and exacerbated by technology.
What is the main idea the speaker wants to share about artificial intelligence (AI) in healthcare?
-The speaker wants to introduce the responsible use of medical AI, specifically multimodal AI, as a potential solution to improve healthcare efficiency and reduce administrative workloads, allowing more time for patient care.
What is multimodal AI and how does it differ from single model AI?
-Multimodal AI can process and integrate different types of data such as text, images, and numbers, similar to how a doctor gathers various types of information from a patient. Single model AI, on the other hand, usually processes only one type of data at a time.
What are some examples of single model AI in healthcare mentioned by the speaker?
-Examples include OxyPit’s chest link for triaging chest x-rays and an AI model from University College London that diagnoses eye diseases and predicts conditions like Parkinson's disease from retinal images.
What is the significance of the Med-PaLM medical AI model mentioned by the speaker?
-Med-PaLM is a large language model trained to perform medical question answering, and it is notable for being the first AI to pass the US medical licensing exam with a passing score, demonstrating its potential in assisting medical professionals.
How does the speaker envision the future use of multimodal AI in healthcare?
-The speaker envisions multimodal AI being used to enhance healthcare delivery, especially in remote and underserved areas, by integrating various types of patient data to provide insights and support for medical professionals.
What are the key factors necessary for implementing multimodal AI safely in healthcare?
-The key factors are trust, explainability, and randomized clinical trials. Trust involves patients feeling comfortable with AI in their care, explainability ensures understanding of AI decisions, and clinical trials test AI models like medicines to ensure effectiveness and safety.
What is the 'eyeball test' and why is it important according to the speaker?
-The 'eyeball test' refers to the initial visual assessment of a patient by a medical professional. It's important because it provides context to diagnostic results and has been shown to be highly accurate in emergency settings. The speaker emphasizes that even with AI, the human element remains crucial.
Outlines
🎭 From Young Detective to Medical AI Advocate
The speaker reflects on his journey from performing in a school drama competition 26 years ago to his current role as a medical consultant and lecturer. He draws a parallel between his past role as a detective and his present role in diagnosing patients, emphasizing the significant time spent on data collection in both scenarios. The speaker also highlights the challenges posed by technology in healthcare, such as the electronic health record system, which has increased the administrative workload for doctors, thereby reducing the time available for patient interaction. He introduces the concept of multimodal AI as a potential solution to these challenges, explaining that unlike single-model AI, which processes one type of data, multimodal AI can handle various forms of data, similar to human intelligence in a clinical setting.
🤖 Cutting-Edge Examples of Single-Model AI in Healthcare
The speaker provides three examples of single-model AI applications in healthcare, demonstrating their capabilities and potential impact. The first is 'Chest Link' by OxyPit, an AI system that autonomously triages chest X-rays for abnormalities, only involving human radiologists when abnormalities are detected. The second example is an AI model developed at University College London that can diagnose eye diseases and predict outcomes from conditions like macular degeneration, as well as predict Parkinson's disease from retinal images. The third example is Med-PaM, a medical large language model by Google that has passed a U.S. medical licensing exam, showcasing the potential for AI in medical question answering. The speaker emphasizes the importance of using AI in conjunction with healthcare professionals and introduces the concept of multimodal AI, such as the multimodal version of Chat GPT and Med-PaM M, which can process various types of medical data and perform multiple medical tasks.
🛡 Implementing Multimodal AI Safely in Healthcare
The speaker discusses the necessary components for the safe implementation of multimodal AI in healthcare, including trust, explainability, and randomized clinical trials. He cites a survey indicating public anxiety about healthcare workers relying on AI and the fear of rapid integration without fully understanding the risks. The speaker stresses the importance of explainable AI to demystify the decision-making process of AI models, allowing healthcare professionals to understand and potentially challenge the AI's recommendations. He also advocates for randomized clinical trials to test AI models, comparing their effectiveness to traditional methods. The speaker concludes by emphasizing the importance of compassion and understanding in the relationship between AI and healthcare professionals, envisioning a future where multimodal AI can make healthcare more efficient, personalized, and accessible, especially in remote areas with limited access to specialized care.
Mindmap
Keywords
💡multimodal AI
💡electronic health record
💡triage
💡large language model
💡explainable AI
💡randomized clinical trial
💡Parkinson's disease
💡confirmation bias
💡task-sharing
💡compassionate care
Highlights
The speaker's first experience on stage 26 years ago as a 12-year-old boy with a speech impediment in a drama competition.
The parallel between the speaker's past role as a detective in a play and his current role as a doctor solving medical mysteries.
The common 70/30 ratio of time spent by healthcare professionals on data collection versus decision-making and communication.
The impact of electronic health records on reducing the time doctors can spend with patients due to increased administrative workload.
The introduction of multimodal AI as a potential solution to improve healthcare efficiency.
Definition and explanation of multimodal AI that processes various data forms like text, images, and numbers.
The release of Chat GPT by Open AI and its significance in the AI field.
Examples of single-model AI in healthcare, such as the chest X-ray analysis software Chest Link by OxyPit.
The AI model developed by University College London for diagnosing eye diseases and predicting outcomes.
The capability of the same AI model to predict Parkinson's disease from retina images, years before symptoms appear.
The importance of using AI in conjunction with healthcare professionals for diagnosis and care.
Google's release of Med-PaM, a medical large language model that passed the US medical licensing exam.
The demonstration of multimodal AI's ability to analyze an ECG and provide medical advice.
The release of Med-PaM M by Google, capable of handling multiple medical tasks with various input types.
The need for trust, explainability, and randomized clinical trials in implementing multimodal AI safely.
Survey results showing public anxiety about healthcare workers relying on AI for medical treatment.
The concept of explainable AI to understand the reasoning behind AI model decisions.
The necessity of randomized clinical trials for AI models to ensure their effectiveness and safety.
The importance of the 'eyeball test' in medicine and the potential for integrating patient images or videos into multimodal AI models.
The vision of using multimodal medical AI to make healthcare more efficient, personalized, and accessible globally.
The emphasis on prioritizing compassion and understanding in the integration of AI with human healthcare professionals.
Transcripts
[Applause]
[Music]
the last time I stood on this stage in
the town hall theater was 26 years
ago I was a handsome 12year old
boy I was in a drama competition for
naal schools in a play written by my
best
friend in that play I was a detective
trying to solve a mystery of who robbed
a fictional Hotel the hotel was called
Hotel El chipo
Nono I was also a boy with a stammer or
a speech
impediment and I was desperately trying
to both remember and say my lines
during that play I spent 70% of my time
collecting information to solve this
mystery of who robbed the
hotel so fast forward 26 years and not
much has
changed I'm now working as a medical
consultant in the hospital for half of
my time and as a senior lecturer in
applied clinical data analytics in the
university for the other half the
context has changed from a detective
solving a mystery of who robbed a hotel
to a doctor solving a
mystery what is the cause of illness in
this patient in front of
me and I still spend 70% of my time
collecting information about the patient
and only 30% of my time making decisions
on that information and communicating
with the
patient so the information or data that
I collect takes many forms patients
blood pressure their medical history
blood test
results and this inbalance in how
Healthcare is delivered this
7030 is well known all over the
world and in many specialities it's been
made worse by technology with the
introduction of the electronic health
record for example that was designed for
collecting information about billing and
not designed to to make Healthcare more
efficient so this extra administrative
workload that doctors have to do reduces
the FaceTime that they have with
patients the FaceTime that we were
fundamentally trained to do and the
FaceTime that the patients
want so the idea worth spreading that
I'm going to share tonight is a
potential solution to
this we've all heard a lot about the
risks of AR artificial
intelligence but I want to introduce A
New
Perspective one where the responsible
use of medical AI could help to solve
some of these
problems and I'm going to introduce a
new type of AI called multimodal ai
multimodal ai is AI that takes data in
many different forms text images
numbers when I work as a doctor in the
hospital I'm talking to the patient I'm
listening to the patient I'm listening
to their chest with a stethoscope I'm
palpating their abdomen I'm looking at
their blood test results this is
multimodal human
intelligence multimodal meaning lots of
different types of
data so in November last year the media
coverage of AI really
exploded with the release of chat GPT by
open AI so chat GPT is a type of AI
called a large language model or
generative
AI but it's not the only type of AI
there's other types of AI that are less
familiar to the general public like
machine learning computer vision natural
language uh processing and those AIS
mostly take in a single type of data and
we call this single model
AI so I'm going to give three Cutting
Edge examples of single model AI in
Healthcare the image behind me is an
image of a chest x-ray with a heart in
the center surrounded by the lungs the
ribs going across the shoulders at the
top AI has become really good at
distinguishing normal from abnormal we
call this
triaging and most X-Rays done in the
world are actually
normal so this software called chest
link by a company called oxy
pit it's it's a medical AI triage system
and it's the first system that's
received regulatory or C approval to be
used in a fully autonomous way um to
report on chest
x-rays so what oxy pit does is it looks
for 75 abnormalities on the chest x-ray
and if it doesn't find any of those
abnormalities it reports the X-ray as
normal without any human involvement if
it does find an abnormality it passes
the X-ray back to the human radiologist
to report this is an example of task
sharing between the AI and the human
radiologist the picture behind me is a
retina this is the tissue at the back of
your eye if you've ever been for an eye
test this is what the optician sees the
optician is looking for reversible
causes of blindness like macular
degeneration a group of researchers in
University College London developed an
AI model trained on 1.6 million pictures
of the retina this model is able to
diagnose eye disease and predict out
comes from eye conditions like macular
degeneration and that's very impressive
that it can do what most non-specialist
doctors find hard but it doesn't stop
there we think about a condition like
Parkinson's disease we don't think about
the back of the eye Parkinson's disease
affects your movement causes a Tremor
affects your walking the same AI model
can have a can look at the back of your
eye and predict Parkinson's disease
years before patients develop symptoms
so now not only is it uh can it see what
the human can see but it can see things
that the human can't
see however this model will never
diagnose Parkinson's disease and it
definitely will never give Compassionate
Care for Parkinson's
Disease AI like this must be used in
conjunction with highly trained healthc
Care
Professionals I'm going to move away
from computer vision towards large
language
models in December of last year Google
released a medical large language model
called Med
Pam they trained their generic large
language model called Pam to perform
medical question answering and this is
the first time ever that a computer or
an AI model has passed a US medical
licensing exam with a passing score of
67% and in only three months later Med
Pam 2 the next version got a score of
86% this is expert level on that
exam if you have a smartphone in your
pocket multimodal AI is available to you
right
now four weeks ago open AI released the
multimodal version of chat
GPT and this is an example I gave us
last week where I passed in a picture of
an ECG this is the electrical activity
of the heart a very common test that we
do in the hospital and I gave it a
little scenario 60-year-old male
presented with palpitations that's a
sensation of your heartbeating in your
chest
he could feel his heart skipping beats
no past medical history not currently on
medications the attached picture is is
ECG what is the next step for this
patient now very unhelpful for this
presentation chat GPT told me that it's
a machine learning model and not a
physician and it can't give me medical
advice so I asked her to help a friend
out and told us I'm doing a tedex talk
about multimodal Ai and please play
along and it did exactly
that now although the the ECG analysis
wasn't perfect it was very very close
and the follow-up advice that it gave
was
perfect but this gets even better when
multimodal large language models are
trained on medical tasks and the best
example of this is med Pam m M from
multimodal released by Google in July of
this year Med Pam M takes multiple
different types of input pictures of the
skin pictures of chest x-rays pictures
of pathology text from Radiology
images and performs multiple uh medical
tasks so it's not perfect but the
Radiology report that generated from Med
Pam M was compared to a human
radiologist report report and the
blinded assessors prefer the med pamm
report in 40% of
cases so the things we need to implement
multimodal AI safely are trust
explainability and randomized clinical
trials in relation to trust there was a
survey done in the United States and
over half of the
respondents would feel anxious
if they knew their healthcare worker was
relying on AI for their medical uh
treatment in the same survey
75% of the
respondents feared that doctors were
going to integrate AI too quickly before
understanding the risk to patients so we
have a lot of work to do to bridge this
Gap the second thing is
explainability explainable AI opens up
the black box to tell us why it made the
output so in our research what we're
interested in is why did the AI model
pick a particular blood pressure
medication for high blood pressure
should we just go along with what the
model says or do we want to know why it
got to that
conclusion if if the output from the
model agrees with our world viiew then
we might just go along with it and not
question it and that's a very risky area
in medicine called confirmation by
the third thing we need is randomized
clinical
trials AI models must be tested in the
same way that we test
medicines for for for medicines we use
randomized control trials this is the
peak of evidence in in in medicine one
group receiving the AI model another
group not receiving the AI model and
follow them up to see who does better so
what's the missing
piece where does the art of medicine fit
in as medical students and Junior
doctors were always taught to First Look
at the patient you never interpret a
result um an x-ray an ECG without
knowing the context of the patient we
often call this the eyeball
test and this this has been tested where
patients coming to emergency departments
nurses would try out them as red yellow
or green from just looking at the
patient and this was shown to be more
accurate than sophisticated models so in
the future I see a world where a picture
or a video of the patient is also fed
into the multimodal
model so now looking back at myself my
12-year-old self standing nervously on
that
stage I can see the parallels between
then and now
back then I was looking for data to
solve the mystery of who robbed the
fictional hotel but now we're looking
for data for a more profound
reason and that's to make Healthcare
more efficient personalized and
accessible imagine a world where remote
corners of low and middle inome
countries that have no access to
Specialized Care can gain insights from
these
models that's a world the medical Ai and
especially Multi multimodal Medical AI
can help us create so as we look to the
future we have to prioritize compassion
and understanding we have to build this
relationship between Ai and the humans
to allow the doctors more time to spend
with the patients to understand them and
give them a better chance at health and
happiness thank
you
[Music]
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