The man behind the science of blood pressure
This photo has been previously mislabeled as being a photo of Samuel Von Basch, but as Von Basch was born in 1837 and the device on the phot
The Dudgeon Sphygmograph
In 1881 the English physician and homeopath, Robert Ellis Dudgeon introduced a new, highly portable Sphygmograph. Dudgeon’s Sphygmograph was
The Marey Sphygmograph
The Marey Sphygmograph became the first instrument of its kind to be widely used in clinical medicine.
Dr Marey, a French scientist and phy
Discovering the missing link in blood pressure
In 1855, Karl Vierordt invented the sphygmograph, the ancestor of the blood pressure device and first of many devices that estimated blood p
