This is the first of a series of "Medicine Monographs"; the original appeared in Medicine.
The author states in the preface: "In reviewing the extensive literature on the drugs of the digitalis group the writer has endeavored to keep constantly in mind the needs of the physician who is faced with the problems of the treatment of heart disease. . . In discussing the source of digitalis he calls attention to the value of American-grown digitalis which is equal in activity to that grown in Europe. In discussing biologic essays he favors the cat unit. The potency and permanency of digitalis preparations are reviewed in detail. A chapter devoted to the toxic effects of digitalis contains much valuable information. The therapeutic effects of digitalis is discussed under four heads: effect on the heart muscle, cardio-inhibitory mechanism, blood vessels and kidneys.
A chapter of twenty-seven pages is devoted to the use