does anyone know if the Apple Watch oxygen saturation reader is accurate?!
I got my Apple Watch purely because I thought it was cool and I’ve wanted one for a while to count steps etc, I didn’t even realise it could check things like oxygen on it and found that by accident today! It’s been recording mine for the last week or so, and from looking at the chart it’s normally sitting about the 96-97 mark (but has been ranging between 90-100)
I know 96/97 is normal so I’m not concerned at all, just curious about whether it’s even accurate? I’ve had heart problems before but nothing serious and when I was in hospital it was always around 100, except when I had been tachycardic for a long time and it would drop a little but still normal, like 95-97 IYSWIM. It’s never been really low or had any problems. So for example when my Apple Watch drops down to 90/91/92/93 is that likely just because it’s sitting out of position or something like that? I’m assuming a simple watch on my wrist can’t accurately check oxygen and it’s just a cool novelty feature that isn’t really accurate, just wondered if anyone on here knew!