1. Gastro-intestinal absorption of digoxin was evaluated in 18 patients with progressive systemic sclerosis.

2. After digoxin the sarcolemma membranes, capillaries and sinus node showed strong basophilia and negative birefringence.

3. We ran a full blood work-up, and it came back with high traces of digoxin.

4. The cardiac effect of an intravenous injection of 400 mg Aldadienepotassium (Aldactone pro injectione) was investigated in 20 patients with coronary or pulmonary heart disease. 10 patients were digitalised, 7 were untreated and 3 patients at first got an Aldosterone-infusion, followed by an intravenous injection of 1.5 mg Digoxin.

5. We describe four cases of acardius (one of hemiacardius, two of holoacardius acephalus, and one of holacardius amorphus) and present the current range of therapeutic possibilities: control of amniotic fluid by repeated amniocentesis or indomethacin therapy, administration of digoxin to the mother, selective preterm delivery of the acardiac twin by hysterotomy, interruption of the anastomoses by injection of thrombogenic coils, sclerosing agents, umbilical cord ligation, fetoscopic laser coagulation, and thermocoagulation.