What is electocardiography?
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ECGOggy electrocardiography is a kind of medical technique that is used to treat the hard problems and the deficiencies in the heart it is done by using ultrasonic sounds .
in simple words
Electrocardiography is the process of recording the electrical activity of the heart over a period of time using electrodes placed over the skin
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The measurement of electrical activity in the heart and it's recording as a visual trace , using electrodes placed on the skin of the limbs and chest.
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