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Ischemia - Ischemia, Injury & Infarction.


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Introduction

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



Authors and Reviewers

Authored by Thomas O'Brien
Medically reviewed by Dr. Jonathan Keroes, MD, Cardiology
Last Update: 11/8/2020



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