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Willem Einthoven (21 May 1860 – 29 September 1927) was a Dutch medical doctor and physiologist. He invented the first practical electrocardiograph (ECG or EKG) in 1895 and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram").
[4] Einthoven developed a sensitive form of string galvanomter that allowed photographic recording of the impulses associated with the heartbeat. He was a leader in applying the string galvanometer to physiology and medicine, leading to today's electrocardiography. [5] Einthoven was awarded the 1924 Nobel prize in Physiology or Medicine for his ...
Williams traveled to Holland to study the methods of Willem Einthoven in 1911. [2] He constructed the first string galvanometer in America, pioneered vectorcardiography, discovered the ventricular vulnerable period, and first determined the 60-Hz current required to produce ventricular fibrillation with body-surface electrodes. [3]
Truth is a 2015 American biographical political drama film written, produced and directed by James Vanderbilt in his directorial debut. It is based on American television news producer Mary Mapes 's memoir Truth and Duty: The Press, the President and the Privilege of Power .
He then went on to study the heart muscles of frogs and was able to detect the electrical impulses associated with the cardiac cycles. In 1904 he met Willem Einthoven at the International Physiological Congress in Brussels and then began to make use of a string galvanometer. He published on ECGs and vagus nerve stimulation experiments on frogs ...
Willem Johan Kolff (1911–2009), Netherlands – artificial kidney hemodialysis machine Rudolf Kompfner (1909–1977), U.S. – Traveling-wave tube Konstantin Konstantinov (1817/1819–1871), Russia – device for measuring flight speed of projectiles , ballistic rocket pendulum , launch pad , rocket-making machine
Willem Dafoe, Charlie Sheen, Tom Berenger star in Oliver Stone's Platoon, which celebrates its 35th anniversary this year. (Photo: Orion Pictures/ Courtesy: Everett Collection) (©Orion Pictures ...
From 1906, he corresponded with the Dutch physiologist Willem Einthoven concerning the latter's invention of the string galvanometer and electrocardiography, and Lewis pioneered its use in clinical settings. Accordingly, Lewis is considered the "father of clinical cardiac electrophysiology".
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