Atrial Fibrillation

• What is atrial fibrillation?
  
• What are the chances of having problems with more atrial fibrillation after a single episode?
  
• Information on the heart rhythm drug "amiodarone".
  
• This information sheet from the USA provides some guidance on which foods are particularly rich in Vitamin K. Foods rich in Vitamin K can affect the effectiveness of Warfarin. It should be noted that "Coumadin" is used much more than "Warfarin" in the USA- the effectiveness of both drugs are affected by consumption of foods rich in Vitamin K.