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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.
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.
Our modern understanding of the electrocardiogram comes, in large part, from the lifelong research and teaching of Frank Norman Wilson. In his prime, Wilson dominated the use of the electrocardiogram as only two men, Thomas Lewis and Willem Einthoven.
Harold Ensign Bennet Pardee [1] (December 11, 1886 – February 28, 1973) was an American cardiologist and pioneer in electrocardiogram research. [ 2 ] Biography
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]
In honor of AOL's 35th birthday on May 24, we're taking a look back at some of the company's definitive moments, like history-breaking mergers and record-breaking numbers, and how it shaped the ...
In 1887 he used a capillary electrometer to record the first human electrocardiogram. [3] A.D. Waller in his laboratory with apparatus and cat. Photograph of his dog "Jimmy" with electrodes. He created the first practical ECG machine with surface electrodes. [4]
From ancient history to the modern day, the clitoris has been discredited, dismissed and deleted -- and women's pleasure has often been left out of the conversation entirely. Now, an underground art movement led by artist Sophia Wallace is emerging across the globe to challenge the lies, question the myths and rewrite the rules around sex and the female body.