Sphygmograph
Esfigmógrafo
- Date
- 1854 · confidence high
- Place
- Tübingen, Baden-Württemberg, Germany
- Credited to
- Karl von Vierordt
- Field
- Life & health
What it is
A mechanical device for graphically recording the arterial pulse, invented by Karl von Vierordt in 1854 and later refined by Étienne-Jules Marey; a forerunner of the sphygmomanometer.
What it led to
- Redesign and popularization by Étienne-Jules Marey
- Later development of the sphygmomanometer to measure blood pressure
- Use in studying the pulse in physiology and psychiatry