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小儿病态窦房结综合征(以下简称小儿病窦)是由于窦房结及其周围组织的器质性改变,使冲动的形成和传出发生障碍或衰竭所致,临床上可有窦性心动过缓、窦性静止、窦房阻滞、心动过缓及心动过速交替等一系列心律失常的表现和不同程度的脑、心、肾供血不足的症状。一、病因病窦的基本病变在窦房结,但可同时累及心房、房室交界区、房室束及室内传导系统,如伴房室交界区病变,则称为“双结病变”。小儿病窦有许多发病因素,包括心肌炎、心肌病、先天性心脏畸形、先天性心脏病手术损伤、先天性窦房结病、先天性Q-T间期延长综合征等。
Sick sinus syndrome in children (hereinafter referred to as pediatric sinus disease) is due to the organic changes in the sinus node and its surrounding tissues, the impulse to form and the occurrence of obstacles or failure caused by the clinical may have sinus cardiomyopathy Sinus bradycardia, sinoatrial block, bradycardia and tachycardia alternating series of arrhythmia performance and varying degrees of brain, heart and kidney insufficiency symptoms. First, the etiology of sinus disease in the basic sinus lesions in the sinus node, but can also affect the atria, atrioventricular junctional area, atrioventricular bundle and indoor conduction system, such as with atrioventricular junctional lesions, known as “double junction lesions.” There are many pediatric sinus disease factors, including myocarditis, cardiomyopathy, congenital heart disease, congenital heart disease surgery, congenital sinus disease, congenital Q-T prolongation syndrome.