On the causes of the increased incidence of pulmonary embolisms in recent years. Oberndorfer (Münch. med. Woch., 1928, No. 16)

When discussing this question, Oberndorfer cites the opinion of some authors that the frequent use of intravenous infusions is partly to blame. On the other hand, the reason for this is the success of treatment of heart diseases, so that relatively fewer cardiac patients die from heart failure and the organ is kept working longer.