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323: Ischemia | How To Read EKGs

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Ischemia causes a delay in repolarization and causes specific changes to either or both the ST segment and T wave.

Ischemia is evidenced when ST segment depression of 1 mm or more or T wave inversion is seen in two or more anatomically contiguous leads

ST Segment Depression

12lead ecg image st segment depression

T Wave Inversion

12lead ecg image T wave inversion

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