Articles
Plain explanations of how the Apple Watch heart features actually work, and how to keep a record your cardiologist can use.
Free to read. No signup, no email address, no tracking — and none of them need the app.
None of this is medical advice, and none of it is for emergencies. If you have chest pain, difficulty breathing, fainting, sudden weakness or confusion, call 911 (or your local emergency number) now.
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What Your Apple Watch AFib Burden Percentage Actually Means
What the number measures, why it never reads 0%, how precise Apple says it is — and why nobody can hand you a passing score.
· 7 minute read
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Turning On AFib History Switched Off Your Irregular Rhythm Alerts
Setting up AFib History turns the alerts off automatically. What each feature does, why the watch runs only one, and how to switch back.
· 7 minute read
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What to Write Down When You Have an AFib Episode
The seven fields that make an episode log useful to a cardiologist, plus a fifteen-second version for when it is happening right now.
· 6 minute read
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How to Find Your Own AFib Triggers (and Why Generic Lists Don’t Work)
Published trigger lists are population averages. How to look for your own pattern, how long it honestly takes, and why “no pattern” is a real result.
· 9 minute read
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A Free AFib Appointment Prep Sheet (No App Required)
A one-page sheet to fill in the night before a cardiology appointment: what to bring, what to write down, and what to ask.
· 5 minute read
Why these five
I write about the seam between an AFib diagnosis and the phone in your pocket: what the Apple Watch heart features do and don’t do, and how to keep a record that is actually worth handing to a cardiologist. That is the part I can speak to honestly. What your own numbers mean is your cardiologist’s job, not mine, and you will not find me guessing at it here.
Every article names its sources, says plainly where I could not verify something, and ends with the app mention you can skip. If one of them is wrong, or Apple has changed something, tell me and I’ll fix it.