Journal of Capital Medical University ›› 1987, Vol. 8 ›› Issue (3): 209-212.

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The Investigation of Sinus Node Electrogram

Zhu Yulun   

  1. Cardiovascular Research Lab Xuanwu Hospital Capital Institute of Medicine
  • Received:1900-01-01 Revised:1900-01-01 Online:1987-07-15 Published:1987-07-15

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Abstract: Sinus Node Electrograms(SNE)were recorded in 48 patients by Gomes's method Ⅱ.25 cases had normal function of sinus node,7 cases had Doubt Sick Sinus Syndrome(DSSS),16 cases had Sick Sinus Syndrome(SSS).Stable SNE could be recorded in 41 cases (85%).Directly measured Sino-Atrial Conduction Time(SACTD)was 75.5±7.8ms in control group,DSSS group was 88.0±3.5ms,SSS group was 171.7±39.4ms.There were no different between control and DSSS.groups.There were the significant different between control group and SSSgroup. This work has studied the influence to SNE in different Low-Pass filters.By the SNE directly observed influence on SSACTD during carotid sinus massage intervious atropine and atrial stimulation. The advancemant and Limitation of Gomes's method Ⅱ and SACTD were analysed.

Key words: sinus node, sinus node electrograms, sino-atrial conduction time