digitoxin
/ˌdɪdʒɪˈtɒksɪn/
noun
- A powerful drug obtained from the foxglove plant, used to treat heart failure and certain irregular heartbeats.
- The doctor prescribed digitoxin to help strengthen the patient's heart contractions.
- Because digitoxin can be toxic in high doses, patients must have their blood levels monitored regularly.
- Digitoxin is derived from the leaves of the purple foxglove flower.