Ask The Doctors: April 2011

Patients with atrial fibrillation taking Coumadin face numerous challenges. The first is simply keeping the prothrombin time (PT) or International Normalized Ratio (INR) in the therapeutic range, usually between 2 and 3. Initially, it can take weeks or even months to determine the proper dosing regimen. Then, the best-laid plans can be thrown off by seemingly innocuous dietary changes. And sometimes a very high or "supratherapeutic" INR can elevate risk of hemorrhage. When most surgeries or other invasive procedures are performed, the effects of warfarin must be allowed to wear off, or the possibility of bleeding complications skyrockets.
To continue reading this article or issue you must be a paid subscriber. Sign in

Subscribe to Heart Advisor

Get the next year of Heart Advisor for just $20. And access all of our online content - over 2,000 articles - free of charge.
Subscribe today and save 38%. It's like getting 5 months FREE!
Already Subscribed?
Click Here to Sign In | Forgot your password? | Activate Web Access