Because the ECG is not a direct measure of contraction,an ECG deflection could be recorded without the actual contraction of the heart muscle occurring.

Name: Because the ECG is not a direct measure of contraction,an ECG deflection could be recorded without the actual contraction of the heart muscle occurring.
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Quizplus · Accepted Answer

The ECG measures electrical activity of the heart, not actual contraction, so it is possible to record a deflection without the muscle actually contracting.

Because the ECG Is Not a Direct Measure of Contraction,an