A chronic inferior wall infarct is characterized by the presence of initial Q waves which are deep and broad in the inferior leads 2, 3, aVF.
Graphic 81282 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°.