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生理、药理和病理生理等医学基础课经常要用离体蛙心做实验。有条件的医学院校多采用人工喂养的较大蟾蜍或青蛙(一般70g左右),而在多数卫校是做实验之前临时捕捉。由于季节和捕捉手段等影响,蟾蜍往往较小,加之学生技术不熟练,因此采取传统的斯氏蛙心插管法一则成功率很低,或要用较长时间才能做成。在教学实验中,我们把斯氏法的先插管后游离心脏改为先游离心脏后插管的方法,使较小蟾蜍(30～60g)插管的成功率达100%,方法简介如下:
Physiological, pharmacological and pathophysiology and other medical basic courses often use the frog heart to do experiments. Conditional medical schools mostly use larger toads or frogs (usually about 70g) that are artificially fed, but are temporarily captured before most clinics do experiments. Due to the seasonal and capture means, toad tend to be smaller, combined with unfamiliar student skills, the traditional success rate is very low or takes a long time to build. In teaching experiments, we put the first method after the Steinberg free heart catheterization after the first free heart catheterization, so that smaller toads (30 ~ 60g) intubation success rate of 100%, the method is as follows: