EKG Atlas-Inferior Myocardial Infarction

This page contains an EKG of a patient with an inferior myocardial infarction. The criteria of an inferior myocardial infarction follows the EKG.

Criteria of an EKG with inferior myocardial infarction

1. Q waves greater than 0.04 sec duration in II, III, and aVF.

2. ST segment elevation in these leads in acute infarction.

3. T wave inversion in these leads with old or evolving infarction.

4. Often there is a lateral wall component in inferior wall myocardial infarction which produces T wave changes in leads V4-V6.

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[EKG Atlas]