question: Hello Doctor, My wife is on coumadin for a blood thinner,her ir was 10.1. She is a diabetic and she takes her own shots. On 9/27/14 she took her shot in her left arm, by sunday her left arm swelled up. She had black and blue on her chest her left leg and her back.The doctor said she had a brachial plexis stroke,she still can not move her arm,hand and fingers. Will it every come back,what can she do. Thank you Rick