ST segment elevation in leads II, III, and aVF is characteristic of an acute inferior infarct. Reciprocal ST segment depression is present in this case in leads V1 to V4, and aVL.
Graphic 57189 Version 2.0
Normal ECG
Normal electrocardiogram showing normal sinus rhythm at a rate of 75 beats/minute, a PR interval of 0.14 seconds, a QRS interval of 0.10 seconds, and a QRS axis of approximately 75°.