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Why is the ECG machine an important invention?

Do you know Why is the ECG machine an important invention because Until the late 1800’s , medical scientists could only record heart activity by directly examining heart , which was not possible on a living patient .
In 1903, a Dutch doctor, Willem Einthoven the invented the ECG machine . This instrument made it possible to record the heart’s electrical activity by placing electrodes on the skin. The machine then gives a recording of the small electric waves being generated during heart activity .
In 1924, Einthoven was awarded the Nobel Prize in Medicine for discovery . However , early ECG machine were cumbersome , and hard to use . Many improvements have been made , and today’s machines are compact , highly sophisticated and extremely accurate . They are used world wide as a relatively simple way of diagnosing heart conditions.

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