James,
I'm going thru the same thing as we speak. I'm on my 4th week of rehab and when I left the hospital, my INR was at 1.6. They increased it and 5 days later when I had it checked, it was 2.3. They upped it again to 5mg (MWF) and 7.5 every other day and it was 4.3 last Friday. Now I'm on...