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[A comparison of anti-arrhythmic effects of four kinds of rhizoma seu radix Nomopterygii].

Experiments were conducted to compare the anti-arrhythmic effects of the four kinds of Qianghuo(Notopterygium incisum; N. forbesii; Pleurospermum rivulorum; Angelica silvestris). It has been found that all the four kinds of Qianghuo can antagonize arrhythmia induced by aconitine. Notopterygium incisum can prolong the ventricular vibration induced by CaCl2 and Pleurospermum rivulorum can prolong the ventricle stop induced by BaCl2. Thus Qianghuo can be used as a sedative and anti-arrhythmic drug.