摘要
目的:研究八厘麻毒素对兔心室不应期的影响。方法:使用心室壁插入电极,观察并记录八厘麻毒素(Rh)12.5μg·kg-1或25μg·kg-1iv(用药后不同时间)对兔心室电生理参数的影响。结果:在Rh12.5μg·kg-1iv后20、40、60和80min,VDT、ERP和RRP均无显著变化;而Rh25μg·kg-1iv,在用药后的同样时间内可见ERP和RRP显著延长(P<0.05)。结论:Rh具有延长兔心室不应期的作用。
AIM:Effect of rhomotoxin (Rh) 12 5 μg·kg -1 or 25 μg·kg -1 iv on ventricular refractory period was observed. METHOD:Using ventricular plunge electrode. RESULTS:At 20, 40, 60 and 80 min (after Rh 12 5 μg·kg -1 iv); VDT, ERP and RRP had no significant changes; but at 20, 40, 60 and 80 min, Rh 25 μg·kg -1 iv caused significant prolongation of ERP and (or) RRP ( P <0 05). CONCLUSIONS :That Rh wight have effect of prolongating ventricular refractory period.
出处
《中国药理学通报》
CAS
CSCD
北大核心
1997年第3期247-248,共2页
Chinese Pharmacological Bulletin
关键词
八厘麻毒素
心室不应期
兔
羊踯躅
rhomotoxin (Rh)
rabbit
ventricular refractory period