Electricity and the heart.
Understanding of cardiac rhythm requires application of physical principles governing electricity. Over a period of more than 100 years, application of the knowledge of electric current led to the gradual evolution of electrocardiogram, pacemaker, defibrillator, and ultimately electrophysiology. The discovery of electrocardiogram (ECG) by Einthoven in 1902 and that of pacing by Zoll in 1952 were two landmarks in this field.
Kar
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Department of Cardiology, IPGME&R and SSKM Hospitals, Kolkata.
Roy
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Sinha
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D000818:Animals; D002304:Cardiac Pacing, Artificial / Q000266:history*; D004554:Electric Countershock / Q000266:history*; D004562:Electrocardiography / Q000266:history*; D022062:Electrophysiologic Techniques, Cardiac / Q000266:history*; D004594:Electrophysiology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans