ECG Intepretation
- Sinus rhythm, rate 88/min
- Normal conduction
- Normal axis
- Q wave in lead III but not in leads aVF and II
- Inverted T wave in lead III but not in lead aVF and II
- U waves in leads V2–V3 (normal)
Clinical Interpretation
A Q wave and/or an inverted T wave in lead III, but not in lead VF, is a normal variant. If lead III is recorded with the patient taking a deep breath in, the changes will often normalize as shown below.
READ MORE: ECG Interpretation-All you need to know