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That probably is not too much of a worry here.
More worrisome would be a heart rate of 150s, with low blood pressure. That kind of issue would need to be addressed right away.
But it sometimes is difficult to know if you have atrial fibrillation from just a heart rate. You have to see an EKG tracing to notice a specific feature of the EKG (the lack of P waves).
Certainly if you are concerned, your family doctor can get a quick EKG to make sure there isn't worries with an irregular heartbeat.
There is still a big difference between 106/69 and 90/60 -- the latter being on the borderline low side, which could cause lightheadednss and falls.
There is no real difference between 96 and 100. Not concerning there.
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