Reannon,
I know nothing about your daughter's condition as I am an older man with coronary artery disease. I do know something about warfarin, however, having taken it briefly after my bypass surgery 7 years ago.
I urge you to ask your daughter's cardiologist if you can replace the warfarin with one of the newer, second generation blood thinners, such as Eliquis or something similar, that is safer/less likely to cause bleeding, doesn't require constant monitoring of blood levels and doctor visits like warfarin and doesn't have the dietary restrictions of warfarin.
It will greatly improve the chance for your daughter to feel she is living a normal life. I know it did that for me.
Best of luck and a good, long, healthy life for your daughter.
Ira