Heart-beat and pulse-wave / by C.S. Roy and J.G. Adami.

Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: Heart-beat and pulse-wave / by C.S. Roy and J.G. Adami. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    HEART-BEAT AND PULSE-WAVE. BY C. S. ROY, M.D. F.R.S., Professor of Pathology, AND J. G. ADAMI, M.A., M.B., Demonstrator of Pathology, in the University of Cambridge. [From the Cambridge Pathological Laboratory.] SECTION III. THE CURVE OF INTRAVENTRICULAR PRESSURE, AND COMPARISON OF THIS WITH THE MYOCARDIOGRAPHIC CURVE. These curves can only be satisfactorily compared when they are taken simultaneously from the same ventricle. To obtain the curve of intraventricular pressure we made use of the instrument employed by Rolleston, which gives, we have reason to believe, correct tracings of the changes of pressure within any cavity of the heart with which it is placed in communication. This instrument, which is represented in Fig. 6, has been de- scribed by Rolleston.1 We need only say here that the light