The Soldier's Heart and the Effort Syndrome.

The views of Thomas Lewis concerning the "effort syndrome" are well known, especially through the report of the Medical Research Committee and the frequent references to it and quotations from it in current medical literature. It is well, however, to have these views, matured by added experience and authoritatively revised, in convenient and compact form, as in this attractive little volume. The "effort syndrome" is here fully considered as to nature, symptoms, prognosis and treatment. There are also discussed other cardiac disorders of soldiers. One notes with hearty approval the emphatic protest against assigning too much importance to the cardiac murmur. At the same time we feel that there is a real danger that Lewis, as well as Mackenzie, has made such extreme statements about the insignificant value of the systolic murmur from the standpoint of both diagnosis and prognosis that through his powerful influence the profession at large will