In 1912, Einthoven
introduced vector cardiography with the three standard leads in an equilateral triangle.
En 1903, el holandes Willen Einthoven
presento a la comunidad cientifica un ingenio de 275 Kg.
, the father of electrocardiography, discovered these electrical events of the heart could be measured by applying electrodes to the surface of the body.
Documentation of ischemia-induced electrocardiographic ST segment changes, which form the basis of exercise stress testing, dates to the beginning of this century, when Einthoven
produced an electrocardiogram that revealed postexercise ST depressions.
coined the term electrocardiogram in 1893.
The three standard leads form a triangle over the body and have a mathematical relationship to one another as described by Einthoven
Telecardiology' was used and reported by Einthoven
in 1905, (5) with the words 'telognosis' appearing in 1950, 'telefluoroscopy' in 1959 and 'telediagnosis' in 1967.
Though the form factors and applications are different, the basic design of any ECG device has been well established since Willem Einthoven
constructed the first practical ECG in the early twentieth century.
, also figured, together with seventeen other Dutch police officers considered to be pro-German, in a list of names drawn up by the Gestapo.
In 1903 a Dutch physiologist, Willem Einthoven
(1860-1927), developed the first string galvanometer.