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(六)房室结双径路(DAVNP):1956年 Moe经动物实验证明 DAVNP,1975年 Denes 等在人体得以证实,后来 Akhtar 发现由此可发生房空结折返性心动过速(AVN-RT)。DAVNP 是房室结传导的一种电生理异常。已证明 PSVT 的70%由此引起,可见于任何年龄,有或无器质性心脏疾病者。发生抗制:房室结内存在两条或多条传导径路,一为传导速度慢,不应
(VI) Atrioventricular node dual pathway (DAVNP): 1956 Moe animal experiments proved DAVNP, Denes, etc. in 1975 to be confirmed in the body, and later Akhtar found that this may occur atrial nodal reentrant tachycardia (AVN-RT) . DAVNP is an electrophysiological abnormality of the AV node. It has been shown that 70% of PSVT is caused by this disease and can be seen in any age with or without organic heart disease. Resistant to occur: there are two or more conduction pathways in the atrioventricular node, one for the conduction velocity is slow, should not