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GidMK's profile
Health Nerd
Health Nerd
Health Nerd
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@GidMK

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Health NerdVerified account

@GidMK

Epidemiologist. Writer (Guardian, Observer etc). "Well known research trouble-maker". PhDing at @UoW Host of @senscipod Email gidmk.healthnerd@gmail.com he/him

Sydney, New South Wales
theguardian.com/profile/gideon…
Joined November 2015

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    Health Nerd‏Verified account @GidMK 16 Dec 2018

    Health Nerd Retweeted Eric Topol

    Prediction: the Apple Watch predictive atrial fibrillation function is going to kill many, many more people than it saves Pre-test probability is important, AF is rare, and the Apple Watch is wrong ~90% of the timehttps://twitter.com/EricTopol/status/1073667088907030528 …

    Health Nerd added,

    Eric TopolVerified account @EricTopol
    For the people asserting that finding atrial fibrillation in people without symptoms saves lives, there are no data to support that. The most recent USPSTF recommendations do not recommend screening for people w/o symptoms, based on all available evidence https://jamanetwork.com/journals/jama/fullarticle/2695678 … pic.twitter.com/Ien3L7jVDv
    Show this thread
    3:29 PM - 16 Dec 2018
    • 151 Retweets
    • 274 Likes
    • Pebble Sierra Academy InnovaEM David Epstein Juliana Biro, MD Pedro Mendes Matthew Moss 🧬 Jason “Maximum Color” Williams gmopundit (David Tribe Ph.D.) Vinceremo Gerold Baier
    15 replies 151 retweets 274 likes
      1. Health Nerd‏Verified account @GidMK 16 Dec 2018

        Health Nerd Retweeted

        For anyone wondering, this is why the Apple Watch algorithm will probably result in deaths https://twitter.com/Rob_Tarzwell/status/1074449133979676672 …

        Health Nerd added,

        This Tweet is unavailable.
        4 replies 18 retweets 29 likes
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      2. Brian Hurn‏ @brianhurn 16 Dec 2018
        Replying to @GidMK @DrJenGunter

        What mechanism would cause the increase in deaths?

        4 replies 1 retweet 1 like
      3. Health Nerd‏Verified account @GidMK 16 Dec 2018
        Replying to @brianhurn @DrJenGunter

        Inappropriate testing and treatment based on false positive results. While AF testing is comparably benign, given the sheer number of people with Apple Watches it's likely that many will be inappropriately diagnosed/treated while very few will be picked up with AF

        0 replies 0 retweets 8 likes
      4. End of conversation
      1. I was a host body‏ @capeannsky 16 Dec 2018
        Replying to @GidMK @DrJenGunter

        It was irresponsible for Apple to include it in the watch as a gimmick.

        0 replies 0 retweets 4 likes
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      2. C 🍸‏ @ChrisMartiny 16 Dec 2018
        Replying to @AnIcarus @GidMK @DrJenGunter

        If you are relying on a watch for comprehensive healthcare, that’s dumb. I just want to know how far I’ve walked and how many steps I need to get in.

        0 replies 0 retweets 2 likes
      3. End of conversation
      1. New conversation
      2. Dr Lea Merone MBChB (hons) MPH&TM MSc FAFPHM Ⓥ‏ @LeaMerone 16 Dec 2018
        Replying to @GidMK

        Well i truly hope the tech has improved on previous models that frequently told me my heart rate was in the 20s...... it wasn’t!

        1 reply 0 retweets 1 like
      3. Health Nerd‏Verified account @GidMK 16 Dec 2018
        Replying to @LeaMerone

        According to my friend @jamesheathers the tech is much better (although depending on brand, still not great), but even so I reckon the bigger danger is false positives due to the low population prevalence of AF

        1 reply 0 retweets 2 likes
      4. Show replies
      1. New conversation
      2.  💧 Ian "Department of Diseasology"  🍩 Musgrave‏ @ianfmusgrave 16 Dec 2018
        Replying to @GidMK @drvyom

        The whole false positive rate in rare conditions is poorly understood. I may steal this as an example for my students.

        2 replies 1 retweet 8 likes
      3. Health Nerd‏Verified account @GidMK 16 Dec 2018
        Replying to @ianfmusgrave @drvyom

        Do it! I think the Apple Watch example is a really good one because everyone can relate

        1 reply 0 retweets 4 likes
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