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业已证实在电生理检查中显示房室传导中断,提示房室结存在纵向分离。然而旁道类似现象则甚少,其原因可能是由于单旁道的功能性分离或两条邻近平行旁道交替性传导的结果。本文报道1例经单极心房电图检查,考虑系两条紧邻旁道引起的双重性室房传导。患者男性,47岁,反复昏厥入院行电生理检查。患者无器质性心脏病史。体检、X 线胸片、二维和 M 型超声心动图检查正常。12导联心电图检查示正常窦性心律。2年前曾行左心导管检查在及造影,提示左室功能及冠状动脉正常。患者于轻度镇
It has been confirmed in the electrophysiological examination showed atrioventricular conduction interruption, suggesting a longitudinal separation of atrioventricular node. However, there are few similar phenomena of bypass, which may be due to the functional separation of single bypass or the result of the alternating conduction of two adjacent parallel bypass. This article reported a case of monopolar atrial electrical examination, consider the Department of two adjacent to the bypass caused by dual ventricular conduction. Male patient, 47 years old, repeatedly fainting admitted to the hospital electrophysiological examination. The patient had no history of organic heart disease. Physical examination, X-ray, 2D and M-mode echocardiography were normal. 12-lead electrocardiogram showed normal sinus rhythm. 2 years ago, left cardiac catheterization and angiography, suggesting normal left ventricular function and coronary artery. Patients in mild town