Digoxin
![](/Images/godic/202502/08/Digoxin_structure_2.svg2559.png")
![](/Images/godic/202502/08/Digon_ball-and-stick2559.png")
![Signal-averaged ECG from a person taking digoxin, explaining ST depressions in mainly precordial leads V4 and V5.](/Images/godic/202502/08/Signal-averaged_ECG_with_digoxin2600.png")
Digoxin is a purified cardiac glycoside similar to digitoxin extracted from the foxglove plant, Digitalis lanata. Digoxin is occasionally used in the treatment of various heart conditions, namely atrial fibrillation, atrial flutter and sometimes heart failure that cannot be controlled by other medication.