You’d still want to test. And if it was increased, the next thing to test would be whether a 10% increase in baseline respiratory rate was benign. It’s not obvi

You’d still want to test. And if it was increased, the next thing to test would be whether a 10% increase in baseline respiratory rate was benign. It’s not obvious that it would be, since breath is so tightly regulated. OP spoke with rather more certainty than warranted.