The sphygmograph was a mechanical device used to measure blood pressure in the mid-19th century. It was developed in 1854 by German physiologist Karl von Vierordt (1818–1884). It is considered the first external, non-intrusive device used to estimate blood pressure. The device was a system of levers hooked to a scale-pan in which weights wer… WebDiscover Archives, a shared portal for exploring archival holdings at the University of Toronto and its federated colleges

sphygmograph Taber

WebThe sphygmograph, which is quite a modern invention, causes the pulse to write its own autograph, enables us to see at a glance the peculiar characters of the pulse, and to ascertain how and... swavesey services postcode

Category:Sphygmographs - Wikimedia Commons

WebDer Sphygmograph bzw. -graf (altgr. "Pulsschreiber") ist ein Gerät zur dauerhaften Aufzeichnung von Pulsfrequenzen als Kurven; mit ihm konnte der Blutdruck erstmals … WebSphygmogram — Sphyg mo*gram, n. [Gr. ???? pulse + gram.] (Physiol.) A tracing, called a pulse tracing, consisting of a series of curves corresponding with the beats of the heart, obtained by the application of the sphygmograph. [1913 Webster] … The Collaborative International Dictionary of English sphygmogram — [sfig′mə gram΄] n. WebFeb 15, 2006 · The sphygmograph, literally the “pulse writer,” was a mechanical device that detected the pulsations of an artery (usually the radial artery), amplified the movement by springs and levers, and recorded a pulse-wave tracing (sphygmogram) on a moving strip of paper or smoked glass. In the decades after the Civil War, physicians accustomed to ... swavesey services a14