In this monograph, Dr. Gray's review of pulmonary embolism represents a conventional approach, encompassing aspects of etiological, pathological, and physiological significance as background material for his discussion of diagnosis and management. Though there is little attempt to be critical, the author's survey of the literature in this field is rather comprehensive, constituting the most impressive single feature of the book. Especially informative in this connection is the section on the embolus, including a discussion of fat and marrow emboli, amniotic fluid and meconium, gas, parasitic, and other emboli of nonthrombotic nature.
Although the author has had a considerable clinical experience with pulmonary embolism, the book does not adequately reflect this experience. The clinical classification of pulmonary thromboembolic disease into two categories, namely massive embolism and recurrent multiple embolism, leaves something to be desired. In both the text and appended case histories there is a tendency to preoccupation with chronic recurrent