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This volume is a compact and a thorough exposition of methods for the graphic registration of the phenomena associated with the heart beat, and as a text and book of reference, it fills a place not filled by any one book in English. The apparatus necessary for the establishing of a laboratory for the investigation of heart disease is considered in general; the Frank capsule, photographic registration and application to the registration of the venous or arterial pulse, respiration, or the heart sounds. The electrocardiograph and its use are described in some detail.
The bulk of the book deals with the results which may be obtained by the use of the apparatus described, and with what may be learned from the results. The normal observations are described and the deviations from normal in different physiologic and anatomic conditions. The arrhythmias are given under a classification based on the properties of
Die Electrographie, und Andere Graphishe Methoden in der Kreislaufdiagnostik.. Arch Intern Med (Chic). 1927;39(2):315-316. doi:10.1001/archinte.1927.00130020154013