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27-07-2017
Biology

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An electrocardiogram, or ekg, is used to visualize what? electrical activity in the heart heart wall muscle movement heart valves blocked coronary arteries

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shinmin shinmin

08-08-2017

The answer is electrical activity of the heart. It illustrates the heart's electrical activity as line tracings on paper. The spikes and dips in the line tracings are called waves. during hospitalization, a sequence of EKGs are taken to monitor the ongoing changes which are indicative of a heart attack.

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