Electrocardiography

serves as a corroborator of clinical observations, and not as the sole means of making the diagnosis, the criticism is not justified. This conclusion applies to electrocardiography that has now been established as a standard part of cardiovascular diagnosis. The publication of another edition of Dr. Maher's treatise within two years shows its popularity. The book begins with a brief resume of the modern clinical concepts of cardiovascular disease, conduction system of the heart, electrocardiograph and the fundamental principles of the electrocardiogram. Next, it deals with the arhythmias and conduction deformities, which comprise over a hundred pages. This is followed by sections on axis deviation, coronary disease, drug effects, clinical syndromes, and diagnosis. The last chapter gives an outline on the routine interpretation of electrocardiograms. The book is a practical one with a lucid style and characterized by brevity. Illustrations are profuse and vivid. There are diagrams and anatomical sketches to show the relationship of the electrocardiogram to the Purkinje system. A large number of tracings have been reproduced with regular tabulated interpretations, actually done in the laboratory, so that even a novice