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在婴儿及儿童中,心动过速并不常见。比较常见的是室上性心动过速,其中以室上性阵发性心动过速为多见,但慢性心动过速也可发生。慢性室上性心动过速可表现为反复型,即在每一阵发性心动过速之间夹有一个或数个窦性搏动。但也可表现为持续性心动过速,其心动过速连续进行,不被任何窦房结活动所中断。
Tachycardia is infrequent in infants and children. More common is supraventricular tachycardia, supraventricular paroxysmal tachycardia which is more common, but chronic tachycardia can occur. Chronic supraventricular tachycardia can be expressed as recurrent, that is, in each tachycardia tachycardia caught between one or several sinus beats. But can also be manifested as persistent tachycardia, the tachycardia continuous, not be interrupted by any sinus node activity.