arrhythmia AE sinus arrest AE 10040738 sinoatrial arrest AE sinus pause AE 窦性停搏 Sinus arrest AE is an arrhythmia AE that is a medical condition wherein the sinoatrial node of the heart transiently ceases to generate the electrical impulses that normally stimulate the myocardial tissues to contract and thus the heart to beat. It is defined as lasting from 2.0 seconds to several minutes. WEB: http://en.wikipedia.org/wiki/Sinoatrial_arrest JX, LW, YH