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以往提出房颤合并Ⅱ°AVB的心电图诊断标准是:R-R间距长达1.5s以上或出现结性逸搏。亦有作者认为,心房扑动伴有高度房室比值(4:1)以上多提示有房室阻滞存在,此标准一直为临床及心电图医师所采用。但近年有人发现在房颤合并Ⅱ°AVB以上者在转复为窦律后其房室传导阻滞消失或减轻,从而提出异议。现将我院1984年以来有完整资料的24例27次房颤合并Ⅱ°AVB复律前后的一组资料报告如下。
In the past proposed atrial fibrillation Ⅱ ° AVB ECG diagnostic criteria are: R-R spacing of up to 1.5s or more, or a knot Yat stroke. Some authors also believe that atrial flutter associated with a high ratio of atrioventricular (4: 1) more than prompted the presence of atrioventricular block, this standard has been used by clinicians and cardiologists. However, in recent years, it has been found in patients with atrial fibrillation more than Ⅱ ° AVB turn into sinus rhythm after its atrioventricular block disappeared or reduced, thus making objections. A total of 24 cases of 27 atrial fibrillation with Ⅱ ° AVB cardioversion before and after a complete set of data from 1984 to 1984 in our hospital are reported as follows.