It was dramatic my improvement after surgery even though I was asymptomatic. My EF went from 45 pre-op to 60 post-op. My initial INR target was 2.5 to 3.0 set by my surgeon. My cardiologist has me in the 2.0 to 2.5. Last test was 2.3. 5mg per day. Even if ON-X gets approved in the 1.5 range in...