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ECG App Making Wild Noise

Interesting one here… I’ve searched all over google for someone else experiencing this and I haven’t found anything. Just today my Apple Watch started making this insane loud “aliens coming down from the mothership” noise while taking an ECG. The sound even changes with the rhythm of my heart. It gets louder and quieter real-time with the electrical pulse from my heart. I’ve taken dozens of ECGs and this has never happened. I’ve searched the settings for something and, perhaps I’m missing it, but I don’t see anything there either.


What I’ve done so far:


Restarted. No change.

Checked for update. No updates available.


Taken an ECG on my wife’s wrist. Still does it.

Apple Watch Series 6, watchOS 8

Posted on Sep 24, 2021 7:34 AM

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Question marked as Top-ranking reply

Posted on Oct 12, 2021 3:25 PM

Alas, I have the same problem. Deleting and reinstalling the ECG app doesn't help. From what I see it arrived with watchOS 8.0 and it's not fixed with 8.0.1 :-( Apple, are you listening?? Please help us, this is really a vexing issue.

11 replies

ECG App Making Wild Noise

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