[Indications, contra-indications and dosage of cardiac glycosides controlled by plasma levels in the aged].

The correlation between various maintenance doses of digoxin and digitoxin was made object to a clinical research on 342 patients with heart failure. Comparison between 1728 examined plasma levels from 47 other hospitals was carried out. It was referred to the accurate indications, contraindications, interactions, and to the dosage of digitalis glycosides.