Objective: to observe the effect of experimental myocardial lesion on dehydrogenase in rat atrioventricular node area and to discuss the mechanism of arrhythmia induced by myocardial lesion.
目的：观察心肌损伤对房室结区脱氢酶的影响，探讨心肌损伤引起心律失常的机制。
Ohjective: To study the morphological aspects corresponding to the complex electrophysiological signs of dual (multi) -pathway and reentry of the atrioventricular node (AVN) area.
目的：为探讨心传导系房室结区双（多）径路传导、折返等复杂电生理的形态学基础。
Objective: To study the morphological changes of atrioventricular junction area (atrioventricular node and atrioventricular bundle) on the myocardial ischemia model of rat.
目的：在大鼠心肌缺血模型上研究房室交界区(房室结及房室束)的形态学变化。
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