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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.
Einthoven's triangle is an imaginary formation of three limb leads in a triangle used in the electrocardiography, formed by the two shoulders and the pubis. [1] The shape forms an inverted equilateral triangle with the heart at the center. It is named after Willem Einthoven, who theorized its existence. [2]
Printable version; In other projects ... Willem Einthoven (1860–1927), ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
Created Date: 8/30/2012 4:52:52 PM
An early D'Arsonval galvanometer showing magnet and rotating coil. A galvanometer is an electromechanical measuring instrument for electric current.Early galvanometers were uncalibrated, but improved versions, called ammeters, were calibrated and could measure the flow of current more precisely.
The E-meter is a simple psycho-galvanometer. It's got some increased sensitivity built into it and the myological reactions that you sometimes get in the galvanometer have been damped out by the circuitry, so that the mental reactions, the reactions of the spirit, on the body are emphasized and can be read more clearly. But that's simply the ...
Because of its popularity for a period with English railways, noted railway author C. Hamilton Ellis considered the 2-4-0 designation to have the nickname (under the Whyte notation) of Old English. During 1846–47, Alexander Allan of the newly established London and North Western Railway (LNWR) created the Crewe type of locomotive, with a 2-2 ...
2. The Supreme Court has unequivocally declared that the Second Amendment “guarantee[s] the individual right to possess and carry” arms. District of Columbia v. Heller, 128 S. Ct. 2783, 2797 (2008). In particular, Heller struck down a ban on the possession of handguns, Case 1:10-cv-04184 Document 1 Filed 07/06/10 Page 1 of 20