Fatima and Harry find out about the main features of a castle - including the moat, drawbridge, battlements, thick walls, towers, etc. Fatima: So I've seen lots of castles in books and on the ...

It is difficult to identify patients with atrial fibrillation (AF) most likely to respond to ablation. While any arrhythmia patient may recur after acutely successful ablation, AF is unusual in that ...