“…Hence he emphasized the importance of nervous factors in the production of the dyspnoea and the oedema. Another factor may be cardiac, for massive pulmonary embolism in dogs is accompanied by electrocardiographic findings which suggest interference with cotonary flow, (de Takats et al, 1939), and there is some reason for accepting a close nervous relationship between the pulmonary and coronary circulations (Kauffmann, 1933;Scherf and Schonbrunner, 1937;de Takats and Jesser, 1940;Jarisch, 1940).…”