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This little book is devoted to a systematic consideration of "Sinus Irregularity," "Heart-Block," "Premature Contractions," "Tachyeardia," "Auricular Fibrillation" and "Alternation of the Pulse." The first chapter is devoted to a consideration of the recognition and identification of the cardiac mechanism. So much light has been thrown on the significance of cardiac irregularities by experiment that a new chapter must be added to text books to embrace it. Not only do changes in the regularity and character of the pulse denote cardiac disease, but often also by a knowledge of these changes the part of the myocardium involved can be told.
This book is a clear and full exposition of our present knowledge. Lewis has described the recognizable disorders of rhythm so that they can be recognized without unusual instruments or means of investigation. The book is commendable and is needed. It covers the newest field in the study of heart diseases.
Clinical Disorders of the Heart-Beat. JAMA. 1913;60(5):394. doi:10.1001/jama.1913.04340050064043
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