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]
