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ARTICLE |

THE VALUE OF THE ELECTROCARDIOGRAM IN THE DIAGNOSIS OF CARDIAC HYPERTROPHY

E. W. BRIDGMAN, M.D.
Arch Intern Med (Chic). 1915;XV(3):487-500. doi:10.1001/archinte.1915.00070210148011.
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The steady increase in the number of electrocardiographs, their constant clinical and experimental application, together with the resulting advance in the knowledge of cardiac activity, all go to show the need and importance of this method of investigation. The exactness of the instrument in the diagnosis of any of the arhythmias, and the simplicity of technic make it indispensable in any large clinic, where it tends to supplant the polygraph. When any new technical method is devised, be it in bacteriology, physics or diagnosis, it is at once applied to different problems in the constant effort towards the establishing of new truths. In such a way the electrocardiogram has come to be applied in an ever-widening field of cardiac investigation ; and, among other uses, it has come to be a method for the determination of hypertrophy of the right and left sides of the heart. There must, of

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