welcome to the GERD forum.
If you have LPR it can get up to the sinuses and such. I have heard of people getting liquid acid that high as well, but usually at night while laying down.
Check out LPR, it is more of a vapor acid issue and can be hard to treat.
Moderator: GERD/Heartburn, Kidney disease
Nissen 6/06 and 5/09