心房纤颤(以下简称房颤)是很常见的心律失常,老年人发病率可达10% 。房颤除对心脏功能产生影响外,最主要的是会引起脑或其他动脉栓塞,引发严重的脑卒中、肢体坏死、肠坏死。房颤时心房肌不能正常收缩而变成蠕动,因此很容易在左心房形成血栓——即血凝块, —血栓随 Atrial fibrillation (hereinafter referred to as atrial fibrillation) is a very common arrhythmia, the incidence of the elderly up to 10%. In addition to the impact of atrial fibrillation on cardiac function, the most important is that it can cause brain or other arterial embolism, causing severe stroke, limb necrosis, intestinal necrosis. Atrial fibrillation atrial fibrillation can not be normal contraction and become peristalsis, it is easy to form a thrombus in the left atrium - the clot - with thrombus