A life-saving device that detects silent heart attacks | Akash Manoj

67,447 views ・ 2019-02-06

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When I was 13,
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I lost my grandfather to a silent heart attack.
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What happened to be more shocking was that at 75,
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grandpa was really normal, healthy and energetic,
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but he was diabetic.
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Learning all of this was so painful
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that I decided to go out on a war against this deadly killer
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and see what could be done.
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It was shocking to discover the results of recent studies
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that have shown an estimate of nearly eight million people
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who die from heart attacks every year.
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Heart attacks occur for many reasons,
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but most often, they occur when arteries get clogged,
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blood flow is cut off
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and oxygen-starved cells in the heart muscles start to die.
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You may know the common symptoms of a heart attack:
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chest pain, arm pain, shortness of breath, fatigue, et cetera ...
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but there is a type of heart attack that is quite common,
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just as deadly,
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but harder to detect because the symptoms are silent.
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People having silent heart attacks just don't realize what's happening,
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so they're not seeking medical attention,
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which means they're less likely to receive the treatment that they need
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at the critical moment.
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And even if they do get to the hospital by chance,
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either before or after they are struck by a heart attack,
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they might have to go through one or more of these time-consuming, expensive tests
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and treatments,
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which are currently considered the gold standards
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of heart-attack diagnosis.
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The greater concern, however,
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is that these silent heart attacks account for nearly 45 percent
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of all heart attacks.
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Patients with diabetes and similar disorders suffer from nerve damage
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that prevents them from feeling the sort of pain
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that usually signals to someone
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that he or she may be having a heart attack.
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Which means they suffer the damage of a heart attack
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without even knowing or feeling anything.
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These already at-risk patients suffer from nerve damage,
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and they do not get immediate medical care.
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They do not know anything before an unlikely event is about to occur.
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My grandfather was an at-risk patient, too.
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I probed this issue further --
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read as much as I could to understand the heart,
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met researchers and worked across labs in India.
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And finally, after three long years of persistent research,
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what I have to share with the world today is a promising solution.
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A noninvasive device that is inexpensive,
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portable, wearable by at-risk patients at all times.
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It greatly reduces the need for a blood test
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and works 24/7, collecting and analyzing data at preset intervals.
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And all this data is collected for a single purpose:
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detecting heart attacks as they occur.
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This is a very promising solution that might help us in the future.
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You may not know how intelligent your heart really is.
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It tries to communicate to your body multiple times before failing,
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by indicating symptoms like chest pain.
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These symptoms are triggered when the heart loses out
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on oxygen-rich blood flow.
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But remember I told you about the nerve damage.
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It silences these symptoms before a silent heart attack,
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which makes it even deadlier.
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And you may not even know the common symptoms.
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Meanwhile, the heart also sends out certain biomarkers --
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cardiac biomarkers or proteins that are SOS messages --
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in the form of SOS messages --
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into your bloodstream,
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indicating that the heart is at risk.
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As it gets riskier and riskier,
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the concentrations of these cardiac biomarker proteins
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keep increasing abysmally.
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My device solely relies on this data.
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The key is that these cardiac biomarkers are found
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in one of the earliest stages of a heart attack,
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when someone is almost sure to survive
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if he or she gets prompt care.
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And my device is solely based on that basis.
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And here's how my device works.
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A silicon patch is worn around your wrist or placed near your chest.
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Without having to prick your skin for a biomarker blood test,
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this patch can spot, isolate and track a heart-attack specific biomarker
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called H-FABP,
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and alerts you if and when it reaches a critical level in your bloodstream --
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a process that's much simpler, easier and cheaper than conventional methods
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of heart-attack diagnosis.
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By checking on biomarker concentration data,
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a system like this, with advanced research in the future,
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could significantly reduce the need for an at-risk patient to go to a doctor
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for a biomarker blood test,
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because the device could be worn at all times,
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sensing biomarker elevations in real time.
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Thus, if the device senses the biomarker levels going beyond the critical point,
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the at-risk patient could be warned of an impending cardiac arrest
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and that he or she needs immediate medical attention.
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Although the device may not be able to provide the patient
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with the complete analysis of the cardiac injury,
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it might be of immense help
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in actually indicating that the patient is in danger,
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so that the patient can be alarmed
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and know that immediate care is crucial.
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Every at-risk patient will now receive more time to survive
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and reach out for medical help.
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Consequently, they don't have to go
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for expensive and invasive medical treatments
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that would otherwise be necessary after a heart attack.
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When I got my device tested on at-risk patients under observation,
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results from the clinical validation tests
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certified close to a 96 percent accuracy and sensitivity.
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I intend to make my device available to people in two variants:
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one which gives digital analysis of the biomarker levels
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and a simpler version for the people in rural areas
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which simply vibrates when the biomarker levels go beyond the critical point.
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When we look at our progress in cardiac health care today,
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it is more of sick care than preventative self-care and technology.
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We literally wait for the heart attack to occur
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and put our vast majority of resources into post-care treatment.
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But by then, irreversible damage will already be done.
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I firmly believe it's time for us to rethink medicine.
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We must establish proactive health-care technologies.
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A change must be brought out not 10 years from now,
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not five years from now,
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but today.
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And so, hopefully, one day,
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with the help of these devices,
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someone else won't lose his or her grandfather just like I did.
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Thank you so much.
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(Applause)
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Thank you.
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(Applause)
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Thank you.
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