A Sphygmograph for Continuous Tracings

J. C. Vaughan
1888 BMJ (Clinical Research Edition)  
House-Physlca to the Bradford Infirmary, Yorkslhire. SomE time ago, while resident physician to Professor T. R. Fraser's wards in the Royal Infirmary, Adinburgh, my attention was directed in a speciai way to the examination of the pulse. Marey's sj1hygmograph was the instrument used, and many cases of mitral disease with very irregular cardiac action came under observation.
doi:10.1136/bmj.2.1460.1379 fatcat:fiv2wkfz25g3vnhepjsoxglrbu