Repolarization: The t wave on the electrocardiogram reflects the pattern of electrical repolarization in the heart. During a myocardial infarction, the pattern of electrical repolarization is reversed resulting in a reversal of the axis of the t wave.
Answered 1/15/2015
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Electrical change: The electrocardiogram is a representation of the cardiac electricity. As heart muscle changes -grows with hyper trophy or dies, or is ischemic the electrical potentials shift and present in the ekg.
Answered 6/3/2018
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