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Institutions. University of Leiden. 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"). [1]
Use of real time monitoring of the heart in an intensive care unit in a German hospital (2015), the monitoring screen above the patient displaying an electrocardiogram and various values of parameters of the heart like heart rate and blood pressure. Electrocardiography is the process of producing an electrocardiogram (ECG or EKG[a]), a ...
In 1887 he used a capillary electrometer to record the first human electrocardiogram. [3] He created the first practical ECG machine with surface electrodes. [4] He lectured on it in Europe and America, often using his dog Jimmy in his ECG demonstrations. [5] Initially Waller did not think electrocardiograms would be useful in hospitals.
Einthoven's triangle. 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.
Holter monitor. Cardiac monitoring generally refers to continuous or intermittent monitoring of heart activity to assess a patient's condition relative to their cardiac rhythm. Cardiac monitoring is usually carried out using electrocardiography, which is a noninvasive process that records the heart's electrical activity and displays it in an ...
Edward Thomas Both, OBE (26 April 1908 – 18 November 1987) was an Australian inventor credited with the development of a number of medical, military and general-purpose inventions. These included a low-cost "iron lung", a humidicrib, the first portable electrocardiograph and the "visitel" – a forerunner to the modern fax machine. [1]
An early commercial ECG machine, built in 1911 by the Cambridge Scientific Instrument Company. A string galvanometer is a sensitive fast-responding measuring instrument that uses a single fine filament of wire suspended in a strong magnetic field to measure small currents. In use, a strong light source is used to illuminate the fine filament ...
Jackson Laboratory. William T. Bovie (September 11, 1882 – January 1, 1958) was an American scientist and inventor. He is credited with conceptualizing the field of biophysics and with inventing a modern medical device known as the Bovie electrosurgical generator. Bovie taught or conducted research at Harvard University, Northwestern ...