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My condolences, it's always painful losing family. I too lost a cousin about six years ago due to heart failure, he had just about turned 21. I wish he'd had an Apple Watch (or similar device) at the time.


A dear colleague died of a heart attack a couple months ago. His Apple Watch didn't save him. He collapsed at work.

The Apple Watch is very explicit about not being a panacea, and currently only advertises detection of a specific kind of arythmia or elevated heart rate. Note that the original comment mentioned that fall detection was probably the trigger.

I'm still pretty angry at the universe about my colleague's sudden death. I just want to temper expectations about what the Watch can or cannot do.


Heart attacks are sudden and sometimes nothing could save you. My mother is a medical professional, and she told me the story about a doctor in her hospital: one morning he realized he was about to have a heart attack, called emergency services himself and left the door open; he was dead by the time the ambulance arrived, five to ten minutes later.


There was a legendary cardiologist at my medical school who predicted his own demise, took a Holter monitor home with him one night, wired himself up, went to sleep, never woke up, and left his colleagues with the 12-lead trace of his death.


It is a reference to the number of electrodes attached to the monitor. A 12 lead setup can provide a much more detailed signal and thus be used in different diagnostics than a lower lead obtained trace.

https://www.ncbi.nlm.nih.gov/books/NBK538203/


I find this confusing. If he was so sure of his imminent death why not do the same thing in a hospital room where you had a chance of survival.

Unless he had this sense multiple times and was finally right this time...


He may have been choosing quality over quantity.

Thinking of deaths of people I've known; dying at home in bed seems preferable to most.

"Being Mortal" by Atul Gawande is an excellent book on this subject.


Doctors know how awful dying in a hospital can be, and once you're there they won't let you change your mind.



> the 12-lead trace of his death

What does this mean?


A 12-lead ECG report/graph/whatever it's called. 12 wires collecting data (versus eg the Apple Watch implementation which is equivalent to a 1-lead ECG)


I wouldn't be to sure the Apple watch is even comparable to 1-lead ECG, simply due to the difference of how ECG is attached to you and how the Apple watch is.

Through this doesn't mean the Apple watch can't be a useful addition, just don't rely on it.


I would imagine it is possible the sensor in an Apple watch is more sophisticated than a single ecg lead.


12 lead ECG is just a technology. There could be other techniques. However, the Apple Watch might be comparable to higher number of leads but never be identical to the number of leads.

Except, when you wear additional bracelets at your both legs, the other hand, both shoulders and another 6 on your chest. Then yes ;). And consider the continuous cyborgization of our society, that is not that far away.

The 12 lead ECG is about detecting the electrical impulses of heart beats from different angles of your bodies.

If you found a technology to detect these mV values from a meter away ... tell me ;) We will be rich ;)


You can do only so much with a single signal.

There's a reason ECG probes are attached to multiple points on the body, and you can infer quite a bit of info from just comparing multiple signals alone, including if you have your heart flipped, for some reason. :D You'll not get that from your watch.


Apple state that it is equivalent to a 1-lead ECG.


12 wires attached to his torso, recording all the electrical impulses from various points, tracing out a graph.

They call this an electrocardiogram (ECG) but the one I had for a medical didn't have 12 leads just 5 or 7 I think.


A 12 lead is actually 10 wires (the "leads" are then comprised of various combinations of those wires).

https://en.wikipedia.org/wiki/Einthoven%27s_triangle


Number of wires connected to points on his body for ECG he recorded on himself.


Some heart attacks kill faster than others. They are not all sudden. My friend, a doctor, had a heart attack and decided to go to the second nearest hospital because it had a better reputation than the nearest. He's still alive today.


Sure, I probably should have moved “sometimes” before “sudden”.


My uncle died in the waiting room of his cardiologist's office, waiting for his check-up


It doesn't just detect arrhythmia -- it also detects if you have fallen and are not moving (and will automatically call emergency services after some duration, if configured as such). More details at https://support.apple.com/en-us/HT208944 if you're interested to know more.


how does this happen :( so young...


I can't speak for all cases but there are often unknown medical conditions involved. My aunt got the flu one year and it weakened her heart so much that she required a transplant and while she lived for a while after that, she died at 27.

Please vaccinate yourselves and loved ones even for the flu.


A friend of mine runs a charity [1] that deals with providing AED (Automated External Defibrillator) devices to organisations. These things save lives. They can deliver shocks to the heart if necessary and can guide laypeople through giving CPR until help arrives (I think many models now actually tell you if you aren't giving strong enough compressions, for example).

I would also highly recommend people go through this app [2] to get some familiarity with CPR. Then take a proper CPR course (I need to take my own advice on doing a proper course, actually).

[1] https://responseforlife.org.au/

[2] https://www.resus.org.uk/apps/lifesaver/


i see those AEDs popping up around, ie in the office, train station, every pharmacy around has them. My wife is an emergency doctor, an she has clear opinion about those - yes they save lives, but in most cases, people will end up as 'vegetables' (not sure what's the proper english term for +-brain death). I only presume she meant more severe heart attacks that would normally result in death prior to emergency arriving or shortly after.

So don't expect miracles where none are currently possible. Do all you can obviously in case of need, and ideally make yourself familiar with procedures a bit, any delay will worsen the chances.


Just like with old school CPR, there's really no guarantee you won't be a vegetable. Maybe you get lucky and the person doing CPR does it right, the AED arrives soon enough, and the paramedics arrive soon enough. Always make sure you have a living will to cover such kinds of situations. I would hate having my vegetable body ending up in a fight between loved ones who want to keep me alive and loved ones who want to do the humane thing.


Here in Denmark there's a volunteer "heart runner" programme. If someone calls 911 and has a cardiac arrest, people in the programme that nearby can be notified to fetch an available public AED and run to the patient (or attempt manual resuscitation).

According to their material, the 30-day survival rate in Denmark has gone from 3.8% (2001) to 10.4% in 2016, with 67.5% bystander assistance: https://hjertestarter.dk/english/you-can-save-lives though it's not clear how much the programme itself can claim.

According to various papers, rapid CPR/AED after a heart attack can triple survival rates.

It's still pretty bleak outcome, but better than e.g. in 2002 Detroit, where 1 out of 471 out of hospital cardiac arrests (OHCA) survived to hospital discharge. In USA, all those stats are apparently being tracked by a programmed called CARES.


AEDs have to be found very quickly. Most networks seem to require installing an app. ️


In the UK, the emergency services can tell you where the nearest one is. You need to call them to get the unlock code anyway.


Haha what? The AEDs are locked up? I don't think I've ever seen that here in the US.


Nah, vast majority aren't locked up here, from experience. Pubs in the UK tend to have them, as do larger shops, community halls, libraries, I've seen old red phone booths repurposed as AED storage, in Birmingham city centre I saw a really modern one like one of those light-up ad screen / phone booth / touchscreen signs, which could simultaneously call emergency services, deliver CPR advice on the screen and dispatch the AED stored underneath - was awesome. Honestly I'm surprised (and pleased) that they don't get stolen/vandalised more considering the amount that are just out there - though I don't know what you'd do with a black market AED lol.

I have yet to see one that's properly locked up [that didn't have easy to break emergency glass, anyway]. My workplace has a few in special AED boxes, but those have the emergency glass and the hammer.


Must be a southern thing. I've never seen an outdoor (or phoebox) one that doesn't have a keycode lock on it. You're supposed to call 999 before using one anyway, so it's not a major impediment.


Unfortunately, flu vaccination has not proven to be much more effective than prayer.

Fortunately, it costs about the same! but still...


Near 50% effectiveness is quite a bit better than the (in my opinion) 0% effectiveness of prayer


That's not opinion - no study has shown prayer to have any effectiveness on flu symptoms.


I'm not aware of any studies showing that it has no effect either.

If I had to guess I would estimate a prayer to be as effective as a placebo, but to proclaim that as fact seems a bit unscientific.


There has been quite a bit of study of intercessory prayer. i.e. for people that don't know they are being prayed for.

No affects have been found.

> In 1872, the Victorian scientist Francis Galton made the first statistical analysis of third-party prayer. He hypothesized, partly as satire, that if prayer were effective, members of the British Royal Family would live longer than average, given that thousands prayed for their well-being every Sunday, and he prayed over randomized plots of land to see whether the plants would grow any faster, and found no correlation in either case.

https://en.wikipedia.org/wiki/Studies_on_intercessory_prayer


The wiki page contradicts your statement about "no effects".

there's been a number of studies showing lots of effects. Most studies seem to show slight positive effects from prayer, some show none and some show negative effects.


From the wikipage:

> Meta-studies of the literature in the field have been performed showing evidence only for no effect or a potentially small effect.

I'm an atheist so I take the "no effect" over the "small effect".


You don’t get to take the “no effect” over the “small effect” just because you’re an atheist. That is precisely what taking faith over data looks like!


My answers would be that we're arguing over statistical noise.

I take what I consider to be the simplest explanation in the absence of a credible alternative, that prayer does nothing when the recipient is unaware of it.

I take that view because I've never heard an alternative explaination that didn't appear to break the second law of thermodynamics.


extraordinary claims require extraordinary evidence.

A magical, invisible, omnipresent, omnipotent "all known laws of nature defying"-being that answers prayers, requires significantly more evidence than a small effect in some meta study.


Absolutely. My point is that "I'm an atheist so I'll take the option that agrees with my personal beliefs" isn't a valid line of reasoning. You could symmetrically argue "I'm a catholic so I'll take the option that suggests there is an effect, albeit a small one". Now we're just arguing whose personal beliefs are right.

A more properly scientific line of reasoning would be to instead say that you'll assume the small-to-nonexistent effect is nonexistent until somebody produces a model capable of predicting the proposed small effect, or a myriad other arguments along the same general lines.


I think your opinion is wrong. Even placebo has a higher than 0% effectiveness.


I assume they're testing prayer without the recipient's knowledge, to control for placebo.


Sounds like an improper use of prayer then. The refrain "I'm praying for you" isn't meant to be some kind of conspicuous display of faith.


The person praying knows they are praying...


"the overall estimated effectiveness of seasonal influenza vaccine for preventing medically attended, laboratory-confirmed influenza virus infection was 47%"

https://www.cdc.gov/mmwr/volumes/68/wr/mm6806a2.htm

Couldn't find the prayer stats.


Couldn't find the prayer stats.

I doubt there are any. It seems like a study fraught with problems, to put it mildly.


I can’t find the source now but I remember hearing about a study into the efficacy of prayer. Briefly, the study recruited several Christians to pray for patients in a hospital. The patients were split into three groups: a control group who weren’t prayed for, a group who were prayed for but who weren’t told, and a group who were prayed for and were informed that they were being prayed for. Allegedly the patients in the last group had the most issues with concern and depression, allegedly because they assumed that because they were being prayed for, they were in fact really seriously ill.


Years ago, I joined a health list for parents of children with a very serious medical condition. When I joined, the discussion involved a lot of "Our child is facing X surgery. Please pray for us."

The longer I was there, the more the discussion became "Our child is facing X surgery. Have you or your child had this surgery? Pros? Cons? Any good tips?"

Prayer very often means "It's hopeless. Humans can't fix this. Our only hope is divine intervention." And it's hugely depressing and disempowering.


Prayer is a human act of connection that has been going on longer than recorded history. Evolutionarily, if most people felt it was hopelessness, it wouldn’t have lasted so long.

Modern feelings of hopelessness and nihilism extremely common in the western world, many people are dealing with these feelings through medication. The effectiveness of regular prayer on mental health is surprising according to studies and demographic data.


I actually believe in the power of prayer and considered commenting on that specifically to try to avoid someone replying in this fashion. I didn't because this is HN and saying something like that can be a convenient excuse for a bunch of people to accuse you of being "woo," irrational, etc.

Let me rephrase that: When the people around you offer nothing but prayers, it's often because they don't believe there is any practical support they are capable of offering. In a group setting, if everyone offers you prayers and zero practical support, the signal it sends is pretty depressing.

To be clear, this was a support group for a deadly genetic disorder that frequently kills children before they reach adulthood. It is classified as a dread disease for a reason. The psychological effect of the diagnosis is huge.

It's practically a sign on the wall a la "All those who enter herein are damned." kind of thing.




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