@lvon A-Fib should be treated with respect. It can cause a major stroke that is often fatal.
The blood thinner I am on is Eliquis. It is the least “ fussy” of all of them. No diet restriction, or bloodwork.
Sounds like you have a lot going on. Please let your cardiologist know how feel and maybe they can make a plan acceptable to you both.
By the way ibuprofen and aspirin will make your GERD worse!