A member asked:

Why is the t-wave inverted in myocardial infarction?

7 doctors weighed in across 2 answers
Dr. Francis Uricchio answered

Specializes in Cardiology

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

6.2k views

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Dr. Creighton Wright answered

Specializes in surgery

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

5.2k views

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