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Willem Einthoven was born in Semarang on Java in the Dutch East Indies (now Indonesia), the son of Louise Marie Mathilde Caroline de Vogel and Jacob Einthoven. [2] His father, a doctor, died when Willem was a child. His mother returned to the Netherlands with her children in 1870 and settled in Utrecht.
[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 ...
In 1901, Einthoven, working in Leiden, the Netherlands, used the string galvanometer: the first practical ECG. [93] This device was much more sensitive than the capillary electrometer Waller used. In 1924, Einthoven was awarded the Nobel Prize in Medicine for his pioneering work in developing the ECG.
In 1897 a French electrical engineer, Clement Ader, invented the "string galvanometer", containing a tensioned string of quartz. In 1903, Einthoven modified Ader's machine, adding electrodes attached to the patients limbs and thorax. In use the string was seen to vibrate in time with the patients heart. The vibrations were recorded ...
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 in 1908. [1] [2] He began to examine cardiac arrhythmias and their diagnosis. From 1903 to 1930 he worked at the department of zoology ...
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The oldest known tablet inscribed with the Ten Commandments from the Old Testament sold on Wednesday for $5.04 million, more than double its high estimate.. The stone, which dates back around ...
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