Coumadin is a blood thinner or anticoagulant, it prevents clots from forming.  It does not dissolve existing clots.  Common candidates include patients with irregular heart rhythm, those with an artificial heart valve, a history of clotting or orthopedic surgery.

  She mentions “black stool” in the video.  When the blood is thinned there is a better chance for bleeding and a common spot is internal intestional bleeding.  It will present at dark tarry looking stool, that is, a blood and stool mixture.

  The antidote for Coumadin is Vitamin K (and Factor 7 & Fresh Frozen Plasma) So foods high in Vit. K will decrease the effectiveness of Coumadin and that will reflect in a lowered INR, the lab value routinely checked for therapeutic levels.  Typically the good range of INR is 2.0 to 3.0, but, that can change per individual case. Dark leafy vegetables  have high vit. K and Green tea as mentioned in video.

  The patient can expect to have regular blood draws to check their INR.  Advise the pt. to take this medication at the same time every day.  Better yet, take it at night. Why? Because they get their blood checked during the day to check the INR.  If their INR is too high and they need to hold a dose, they will not have taken it that day as opposed to if they had taken it already that morning.  Once they have taken it for awhile and their blood levels stabilize they can take it when it’s convenient for them.

  Also, Advil, Aspirin, and Aleve should be avoided as they also thin the blood.




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