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Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [ 5 ] using electrodes placed on the skin.
Much of Dr. Wilson's time in the last years of his active service was devoted to informal teaching of electrocardiography to doctors who came from all over the world to study in Ann Arbor under him. Many of the physicians who studied at the Heart Station would go on to occupy teaching posts in this country or abroad, and all of them regarded Dr ...
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.
Drawing of the ECG, with labels of intervals. Cardiac electrophysiology is a branch of cardiology and basic science focusing on the electrical activities of the heart.The term is usually used in clinical context, to describe studies of such phenomena by invasive (intracardiac) catheter recording of spontaneous activity as well as of cardiac responses to programmed electrical stimulation ...
George Edward Burch, M.D. (1910–1986) was a shaper of modern cardiology during the middle part of the twentieth century, whose accomplishments included elucidating the fundamental physiological basis of important cardiovascular diseases, in addition to contributions to the teaching of medicine and cardiology. [1]
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]
Preventive cardiology also deals with routine preventive checkup though noninvasive tests, specifically electrocardiography, fasegraphy, stress tests, lipid profile and general physical examination to detect any cardiovascular diseases at an early age, while cardiac rehabilitation is the upcoming branch of cardiology which helps a person regain ...
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. However, eventually other physiologists such as Willem Einthoven and Thomas Lewis showed Waller that the traces could help diagnose heart conditions.