Cardiac stimulant - Cardiac stimulant

Japanese: 強心薬 - きょうしんやく
Cardiac stimulant - Cardiac stimulant

This refers to drugs that increase cardiac contractility and restore it when the heart is weakened or dysfunctional, but in a broader sense it can also include drugs that act on the peripheral vascular system or central nervous system other than the heart to restore dysfunction to normal. Representative drugs include cardiac glycosides such as digitalis preparations, proscillaridin, and G-strophanthin, and xanthine derivatives such as aminophylline and diprophylline, which have a diuretic effect in addition to their cardiotonic effect. In addition, catecholamines such as adrenaline and isoprenaline also increase cardiac contractility and are used as cardiac stimulants. The herb Senso, as well as plants such as Omoto, Lily of the Valley, and Oleander, contain glycosides with cardiac stimulants.

[Fumiji Koho]

[Reference] | Cardiac glycosides

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

心臓の衰弱や機能不全に際し心収縮力を増強しその回復を図る薬剤をいうが、広義には心臓以外の末梢(まっしょう)血管系または中枢神経系に作用して機能不全を正常に戻す薬剤も含めていうこともある。ジギタリス製剤、プロスシラリジン、G‐ストロファンチンなどの強心配糖体およびアミノフィリン、ジプロフィリンなどのキサンチン誘導体が代表的薬剤で、強心作用のほか利尿作用もある。このほか、アドレナリン、イソプレナリンなどのカテコールアミン類も心収縮力の増強作用があるので、強心薬としても使われる。なお、生薬(しょうやく)のセンソをはじめ、植物のオモト、スズラン、キョウチクトウなどには強心作用をもつ配糖体が含まれている。

[幸保文治]

[参照項目] | 強心配糖体

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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