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The electrocardiograph was impractical to use until Willem Einthoven, a Dutch physiologist, innovated the use of the string galvanometer for cardiac signal amplification. [2] Significant improvements in amplifier technologies led to the usage of smaller electrodes that were more easily attached to body parts. [ 1 ]
[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 ...
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").
This is a list of cartoonists, visual artists who specialize in drawing cartoons.This list includes only notable cartoonists and is not meant to be exhaustive. Note that the word 'cartoon' only took on its modern sense after its use in Punch magazine in the 1840s - artists working earlier than that are more correctly termed 'caricaturists',
In 1950, Stuart Productions released a number of the Inkwell Studios Out of the Inkwell cartoons, and a selection of the Paramount Inkwell Imps cartoons to television. [4] In 1955, the Inkwell Imps , along with 2,500 pre-October 1950 Paramount shorts and cartoons were sold to television packagers, the majority acquired by U.M. & M. TV Corporation .
Willem Einthoven (1860–1927), The Netherlands – the electrocardiogram Benjamin Eisenstadt (1906–1996), U.S. – Sugar packet Paul Eisler (1907–1992), Austria/U.S. – Printed circuit board (electronics)
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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 .