Problem: The client who has developed atrial fibrillation is not responding to medication therapy and has been placed on warfarin (Coumadin). The nurse is doing discharge dietary teaching with the client. The nurse would tell the client to avoid which of the following foods while taking this medication? The client who has developed atrial fibrillation is not responding to medication therapy and has been placed on warfarin (Coumadin). The nurse is doing discharge dietary teaching with the client. The nurse would tell the client to avoid which of the following foods while taking this medication? Spaghetti Cherries Potatoes Broccoli