
An irregular heartbeat following surgery known as post-operative atrial fibrillation (POAF) often is dismissed as a transient phenomenon. But a study has found that POAF can significantly increase the risk of heart attack or stroke during the first 12 months after surgery.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CqHqoYMT7nk/150518145435.htm