I have thrombophilia. If I were in the 1 in 5 group with "a hole in the heart" I'd have died or had a stroke in my 20s. I did warfarin for 15 years before xarelto came along. Yup, weekly INR testing and no leafy greens. Youd need an INR of 10 (3 is ideal) to bleed to death from a small cut. As...