This post is an answer to the ECG Case 322
- Rate: 72 bpm
- Rhythm: Sinus rhythm
- baseline irregularity due to printing issue
- Axis: Normal
- Intervals:
- Complexes #1-9, #12
- PR – Normal
- QRS – Normal
- Complexes #10-11
- PR – Short
- QRS – Prolonged
- Complexes #1-9, #12
- Additional:
- Distinct QRS morphology complexes #10-11
- Delta wave
- Abnormal ST / T wave likely secondary to pre-excitation
- Distinct QRS morphology complexes #10-11
Interpretation
Intermittent pre-excitation / WPW, only seen in complexes #10-11
What happened next ?
The patient was referred to pediatric cardiologists for further follow-up and investigation.
SIMILAR CASE: ECG Case 172
