This monograph describes in simple terms the present concept of heart failure. The authors have restricted the term "heart failure" to those conditions in which the heart is primarily involved. For those disturbances of circulation in which venous congestion is prominent and the cardiac output is increased, such as in the case of arteriovenous aneurysm and the so-called "beri beri heart," the term "chronic venous congestion without heart failure" is used. To one who has always been disturbed by the term "heart failure with high cardiac output" in cases in which the heart was not primarily involved, this new method of classification makes sense.
In order to make the total presentation as simple as possible, the authors have wisely refrained from long discussions on controversial matters. However, a bibliography consisting of two hundred references is available for those who wish to read further on the subject. The role of the