Phentalamine and propranol ICV. injection can obviously block on vagus-pressor responses in 4~30 days old rabbits and obviously weaken vagus-pressor responses.
侧脑室注入酚妥拉明和心得安对4～30日龄兔的迷走-加压反应有明显的阻断作用，迷走-加压反应显著减弱。
Conclusion Propranol oltest is a safe, simple non-invasive method in differential diagnosis between organic and functional heart diseases with a high precision rate.
结论口服心得安试验对鉴别器质性与功能性心脏病，正确率高，简便安全，仍不失为一种无创的有效诊断方法。
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