Taxine cardiotoxicity

The taxine alkaloids of the yew, taxine B above all. Not a cardiac glycoside: the taxines block the sodium and calcium channels of the heart cell rather than its sodium pump, so the yew keeps its own group.

Taxine cardiotoxicity: how soon does it show?

Hours.

How does it run?

Nausea and dizziness, then a slowed and irregular heart; death within hours by arrhythmia, often with no warning.

What is done for it?

There is no specific antidote; what is done is supportive, for the heart, in hospital.

Historical and descriptive, not medical advice. In a poisoning, call a poison centre or emergency services.

Which substances in the database cause it?

Sources