ajmaline hydrochloride

Ajmaline hydrochloride is an alkaloid found in the root of Rauwolfia serpentina, and other plant sources. It is a class of Ia antiarrhythmic agent that apparently works by changing the shape and threshold of cardiac action potentials.

Ajmaline (Cardiorythmine) 是一种钠通道阻断剂，属于1A 类抗心律失常剂。Ajmaline 阻断 HERG 电流，在 HEK 细胞的 IC50为 1 μM，爪蟾卵母细胞的IC50为 42.3 μM。Ajmaline 在室性心动过速方面具有研究价值。