Effects of Apocynum hendersonii (Hook. f.) Woodson on cardiac electric and mechanical activity

Han, D.Y.; Lin, P.; Qu, B.L.; Chen, X.L.; Han, D.Y; Lin, P; Qu, B.L; Chen, X.L

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Effects of Apocynum hendersonii (Hook. f.) Woodson on cardiac electric and mechanical activity

Han, D.Y.; Lin, P.; Qu, B.L.; Chen, X.L.

Zhongguo Zhong Yao Za Zhi 14(2): 38-42 63

1989

ISSN/ISBN: 1001-5302

PMID: 2506895

Document Number: 331359

Calcium antagonist-like effect of Apocynum hendersonii on myocardiac preparations were observed in the present experiments. The action potential duration and contractility were decreased. Automatic or exciting activity in partially depolarized fibers was considerably inhibited or concealed. Observation in vivo showed that pacemaking in SA node and conducting in AV node area were inhibited.