Question

History of ECG amplifier​

Answer 1

Answer:

The term 'electrocardiogram' used to describe these wave forms was first coined by Einthoven at the Dutch Medical Meeting of 1893 (8, 10). In 1901, he successfully developed a new string galvanometer with very high sensitivity, which he used in his electrocardiograph. His device weighed 600 pounds (Fig. 4) (7, 11).

Explanation:

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Answer 2

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Electrocardiography is the process of producing an electrocardiogram (ECG).

✒It is a graph of voltage versus time of the electrical activity of the heartusing electrodes placed on the skin.

✒These electrodes detect the small electrical changes that are a consequence of cardiac muscle depolarization followed by repolarization during each cardiac cycle .

✒Changes in the normal ECG pattern occur in numerous cardiac abnormalities, including cardiac rhythm disturbances