所谓心房纤颤,就是心房失去了正常的收缩能力,只剩下一些不规则的肌纤维收缩,好像心房在抖动。这种颤抖样的动作每分钟可达350～600次。心房的每次激动都像正常一样试图通过房室结和束支传到心室,但心 The so-called atrial fibrillation, is the loss of normal atrial systolic capacity, leaving only some irregular muscle fiber contraction, as if the atrial jitter. This trembling-like action up to 350 to 600 times per minute. Each excitement of the atrium is attempted to pass through the atrioventricular node and bundle branches to the ventricle, as normal, but the heart