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Apple Watch Series 4 ECG, Irregular Heart Rate Features Are Now Available (theverge.com)

An anonymous reader quotes a report from The Verge: Today, with an update to watchOS, Apple is making its electrocardiogram (EKG or ECG) reading feature available to Apple Watch Series 4 owners. It's also releasing an irregular rate notification feature that will be available on Apple Watches going back to Series 1. Both are a part of watchOS 5.1.2. To take an EKG, you open up the EKG app on the Watch and lightly rest your index finger on the crown for 30 seconds. The Watch then acts like a single-lead EKG to read your heart rhythm and record it into the Health app on your phone. From there, you can create a PDF report to send to your doctor.

The irregular heart rate monitoring is passive. Apple says that it checks your rhythm every two hours or so (depending on whether you're stationary or not), and if there are five consecutive readings that seem abnormal, it will alert you and suggest you reach out to a doctor. If you have been previously diagnosed with atrial fibrillation, Apple's setup process tells you not to use the feature. Apple tells me these features are most definitely not diagnostic tools. In fact, before you can activate either of them, you will need to page through several screens of information that try to put their use into context and warn you to contact your doctor if needed. They are also not the sort of features Apple expects users to really use on a regular basis. The EKG feature, in particular, should only really be used if you feel something abnormal going on, and then you should only share the resulting report with your doctor, not act on it directly.
Angela Chen from The Verge notes that these features have only received "clearance" from the FDA, which is not the same thing as FDA "approval": The Apple Watch is in Class II. For Class II and Class I, the FDA doesn't give "approval," it just gives clearance. Class I and Class II products are lower-risk products -- as [Jon Speer, co-founder of Greenlight Guru] puts it, a classic Class I example is something like a tongue depressor -- and it's much easier to get clearance than approval.

39 comments

  1. Big Sensor loves you, now improved Love! by Anonymous Coward · · Score: 0

    I love you Big Sensor up my ass all the time.

    1. Re: Big Sensor loves you, now improved Love! by Anonymous Coward · · Score: 0

      Unit sensor big block please follow you

  2. Headline by Livius · · Score: 4, Funny

    If I just went with the headline, I might think the capability to cause an irregular heart rates was being promoted as a feature.

    That's some serious feature creep.

    1. Re:Headline by Anonymous Coward · · Score: 0

      I like that it takes 10 hours for the system to decide that you're having a heart attack.

      it checks your rhythm every two hours or so ..., and if there are five consecutive readings that seem abnormal, it will alert you

      Seriously guys, I've got Nagios servers that can give me heart attacks in under five minutes. I need something a bit more real-time out of a watch.

    2. Re: Headline by Anonymous Coward · · Score: 0

      Yes, I caught myself rereading one of these sentence and yes, we all know about the new watch. You should see the ads. Still looking for the release date. Thanks for sharing again

    3. Re: Headline by Anonymous Coward · · Score: 0

      In Australia they only file a detailed report prior to release. The government hates it when products have problems and they were not aware they were going to market.

    4. Re:Headline by grep+-v+'.*'+* · · Score: 1

      I might think the capability to cause an irregular heart rates was being promoted as a feature.

      After you pay for it and check your bank account balance, it is.

      --
      If the universe is someone's simulation -- does that mean the stars are just stuck pixels?
  3. Elon Musk Gives Me An Irregular Heartbeat by Anonymous Coward · · Score: 0

    when I'm jacking it to him

    -Rei

  4. When to use by arth1 · · Score: 1

    The EKG feature, in particular, should only really be used if you feel something abnormal going on, and then you should only share the resulting report with your doctor, not act on it directly.

    In the case that you feel something abnormal is going on, you should see a doctor anyhow. Especially with all the disclaimers that you can't trust the results one way or the other. So what's the purpose of using this feature at all, then?

    1. Re:When to use by Anonymous Coward · · Score: 0

      Even if you feel something going on, additional confirmation may assist someone to make the decision to see a doctor.

      I have occasionally had chest pains or tingling left hand fingers. I'm always convinced I'm probably about to die. Haven't yet. Been going on for years. Been to the doctor for regular checkups and for CDL certification. Always told I'm in great health. Run 15+ miles each week.

      Odd are good eventually it'll be real. Having a sensor to help evaluate what my body is doing vs what is just in my head would be a help.

      Sure, the watch isn't for you. Doesn't mean it won't help others.

      --XYZZY--

    2. Re: When to use by Anonymous Coward · · Score: 0

      Oh sure, especially if you think itâ(TM)s been a problem for a while but it would be poor form not to be up to date on your EKG

    3. Re:When to use by Anonymous Coward · · Score: 0

      Probably a pinched nerve.

    4. Re:When to use by Austerity+Empowers · · Score: 3, Interesting

      1) Don't assume running 15 miles and being in good health and good shape makes you safe, it makes you in a low risk group. I had a coworker who although 10 years older than me, biked 10 miles to and from work (real biking, up and down some nice Austin hills) and could kick my ass up and down the street without breaking a sweat. Had lunch with him one day, he was dead 2 days later from a heart attack. He had a chicken salad for lunch, in case you were wondering. He was a pretty healthy person, except apparently he had a bad ticker.

      2) Heart attacks are scary because they're fairly asymptomatic from the victims perspective, at least until they get critical. But the list of early warning signs is long and unreliable. Any of them (like tingling fingers, "chest" pain) could be, and probably are, something else.

      3) At least in my family heart attacks aren't sudden. In all cases the person who had one didn't feel well in the morning, and was in the hospital later that evening. While I am not sure it will be the case, if somehow the watch was able to quantify what the victim was feeling in a meaningful way, and direct him to a doctor, and a real ECG could confirm, that's great. Of course if a million people charge the ER demanding an ECG because of a false positive, we're going to have a deadly problem.

      Until it gets used, who knows. It could be snake oil, it could be a life saver. We're going to find out I guess.

    5. Re: When to use by Anonymous Coward · · Score: 0

      Why has slashdot not fixed this yet. There is no excuse for why any site should have issues with punctuation from the most popular phone in the world.

    6. Re:When to use by arth1 · · Score: 1

      Of course if a million people charge the ER demanding an ECG because of a false positive, we're going to have a deadly problem.

      Or the opposite - they choose to not go see health services because the watch didn't find anything wrong, and then keel over dead a few weeks later due to a condition a cardiologist would have found.

      That's the problem - if it's only to be used when you suspect a problem, why use it at all instead of seeing a doctor? And if it's not instead, what good does it do?

    7. Re:When to use by Chewbacon · · Score: 3, Interesting

      Atrial fibrillation comes in a few different flavors: paroxysmal, early persistent, long standing persistent. Then there's silent afib which, as the name suggests, people are unaware they have and are at a risk of stroke. That said, this maybe a potentially nice feature that may save a lot of people from having strokes. I've seen some docs talking about this on Linked in and I'm curious as to how many of these patients will really have afib.

      --
      Chewbacon
      The Bible is like Wikipedia: written by a bunch of people and verifiable by questionable sources.
    8. Re:When to use by Anonymous Coward · · Score: 0

      So what's the purpose of using this feature at all, then?

      Generating class-action lawsuits against Apple.

    9. Re:When to use by Anonymous Coward · · Score: 0

      It sells more iphones for apple. That is all.

    10. Re:When to use by Anonymous Coward · · Score: 0

      Sigh. As has endlessly been pointed out, the Watch's ECG feature is *not* designed to help anyone diagnose a heart attacks. It's designed to help people spot atrial fibrillation. Atrial fibrillation is largely associated with *strokes*, not heart attacks.

    11. Re:When to use by Anonymous Coward · · Score: 0

      The EKG feature, in particular, should only really be used if you feel something abnormal going on, and then you should only share the resulting report with your doctor, not act on it directly.

      In the case that you feel something abnormal is going on, you should see a doctor anyhow. Especially with all the disclaimers that you can't trust the results one way or the other. So what's the purpose of using this feature at all, then?

      So what if it's not abnormal enough to actually show up when you are at the doctor? Are you too dumb to think of that scenario, or did you leave it out of the discussion for your troll to work?

    12. Re:When to use by Chewbacon · · Score: 1

      A doctor won't treat you for afib just because an Apple watch tells them to. First, an apple watch's report doesn't meet the definition of afib from the expert consensus statement on afib. The doctor would do an EKG, talk to you about symptoms, history, and maybe do a wearable monitor. Perhaps even an implantable monitor if the risk was high enough.

      --
      Chewbacon
      The Bible is like Wikipedia: written by a bunch of people and verifiable by questionable sources.
    13. Re:When to use by mnemotronic · · Score: 1

      Along the same lines PACs (Premature atril contractions) and PVCs (Premature ventricular contractions) indicate coronary misfires. Skipped beats. I've been told it's pretty common. Depending on diet (aka caffeine) and how much sleep I get, I can have 0 - 5 PVCs a minute. I've been checked with 24 hr & 30 day Holter monitors and cardiologist concluded it ain't a problem. I've gotten where I can feel it when it happens. I don't need a watch to tell me. However, if the watch could detect and warn of a more serious condition like AFIB, I'd listen. A friend (with experience) explained to me that I'd know it's a heart attack by the elephant sitting on my chest.

      --
      The Russians have won. They have made the world a cesspool of distrust, greed, fear and hate.
    14. Re:When to use by Anonymous Coward · · Score: 0

      Until it gets used, who knows. It could be snake oil, it could be a life saver. We're going to find out I guess.

      I agree there! It is too early to either praise or ridicule the device. Time will tell.

      Certainly plenty of healthy people die who "look healthy".

      I also have abnormally long arms - 6'5" wingspan but only 5'10.5" tall. That is one of the markers for Marfan syndrome, but I'm 54 and not dead yet - so I probably don't have that either. My feet feel like they have diabetic nerve damage, but I don't have diabetes - and I have extensively discussed that with my doctor. I could just be a hypochondriac. Any devices that gives an unbiased measurement seems potentially useful to me. I put more faith in to what can be measured than what my brain tells me.

      --XYZZY--

    15. Re:When to use by Paradise+Pete · · Score: 1

      Generating class-action lawsuits against Apple.

      That's part of the reason for all the disclaimers. The other part is that it's much easier to get clearance to sell it when the claims are minimized. I'm sure that it actually does a pretty good job.

  5. How long until health specific advertising by raspberry-togruta · · Score: 1

    I wonder how long until someone's EKG reading is part of the user data advertisers can tap? "Tired of an irregular sinus rhythm? Try new Rhythm-Rite!"

    1. Re:How long until health specific advertising by Anonymous Coward · · Score: 0
    2. Re:How long until health specific advertising by Chewbacon · · Score: 1

      Gotta have consent. Going without it has consequences that are usually stiff fines. Albeit, a single line in that massive user agreement many people don't read may do it. Advertisement: Got Afib? Get (insert blood thinner here) at deep discounts!

      --
      Chewbacon
      The Bible is like Wikipedia: written by a bunch of people and verifiable by questionable sources.
  6. Cause of afib by Chewbacon · · Score: 1

    A physician I work with told me: "Afib is more common in men than in women, therefore we know women cause afib!"

    Interested to see what we may learn from this. It sounds a lot more tolerable than a 30-day monitor and easier than a implantable loop recorder.

    --
    Chewbacon
    The Bible is like Wikipedia: written by a bunch of people and verifiable by questionable sources.
  7. The entire watch costs less than a singe ECG test. by Brannon · · Score: 1

    But, hey, yeah--whatever. Great joke.

  8. Counterpoint by SuperKendall · · Score: 1

    A physician I work with told me: "Afib is more common in men than in women, therefore we know women cause afib!"

    Lesbians exists, therefore no.

    Unless they also have higher rates? Hmm!

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
    1. Re:Counterpoint by Anonymous Coward · · Score: 0

      I think he was kidding, but if you needed to add lesbian to the conversation.... well done.

  9. This feature works pretty well, has a lot of text by SuperKendall · · Score: 3, Informative

    I've tried taking an EKG a few times today, the results seem pretty consistent, and agree with what I was expecting in terms of my heart rate (even lower than I thought in fact, shows the value of regular exercise!).

    Of interest, there was a fair amount of screen to wade through in turning this on basically telling you it did not replace a real doctor and so on and so forth. Even while you are measuring your heart rate it has a tiny bit of text saying "At no time will we be trying to detect heart attacks". They just report if anything seems odd about the heartbeat and leave it up to you, though they do let you send the EKG results to someone later if you choose.

    The results are stored in the Health app on your phone only, not sent to Apple - you can either just keep them there, delete previous measurements, or send them to someone via PDF I think (just sends a graph, no csv style data I could see).

    Since you can delete recordings the nice thing is, you could potentially use this to take one-off EKG readings for other people, send it to them via email, and then delete that reading from your own records. I plan to try it out on a few family members at Christmas to see what it says.

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
  10. No, the real feature is... by Anonymous Coward · · Score: 0

    This new Apple Watch can magically make your insurance premiums go up upon irregular heartbeat detection.

  11. Re:The entire watch costs less than a singe ECG te by pjt33 · · Score: 1

    I had an ECG test done as part of a routine annual checkup last week. It took a student doing an internship about three minutes, and would have taken less except that they did two runs because I have an unusual heart condition. Now, I don't know how much the device cost (I would guess on the order of 10kEUR), but I'm sure that it gets amortised over a lot of patients, and the cost of the intern's time would be far less than a cup of coffee.

  12. garbage by Anonymous Coward · · Score: 0

    Sad they're marketing this as a feature. Should be sued into oblivion. I forget the number but these fitness devices are largely inaccurate; just ask your doctor.

  13. This is NOT a first line device by p51d007 · · Score: 1

    I'm not an apple fan, but, THIS IS NOT a first line device. Say you have Afib or some other problem. This might help MONITOR your heart but if anyone thinks this is a first line device, you need to have the watch taken away and give you some blocks to play with.

    1. Re:This is NOT a first line device by Anonymous Coward · · Score: 0

      I'm not an apple fan, but, THIS IS NOT a first line device. Say you have Afib or some other problem. This might help MONITOR your heart but if anyone thinks this is a first line device, you need to have the watch taken away and give you some blocks to play with.

      Too bad we can't take keyboards away from people who react before reading the summary.

      If you have been previously diagnosed with atrial fibrillation, Apple's setup process tells you not to use the feature.

  14. This is for authentication, not medicine by Anonymous Coward · · Score: 0

    Apple has a patent (from quite a few years ago) about doing user authentication by matching ECG characteristics. ECG "fingerprints" are actually pretty good - much better than 99% (i.e. 1% false positive, 1% false negative) and significantly better than fingerprint readers.

    Wear your Apple iECG and authenticate to your other iDevice.

  15. Re:The entire watch costs less than a singe ECG te by Paradise+Pete · · Score: 1

    Yes, I had an ECG done as an add-on to a complete blood workup while traveling in Asia. The total cost was about $20 US.