This week's ECG is the second part of our story.
This ECG is from the same 33 year old male we looked at last week and was taken 7 minutes after last week's ECG
|Click to enlarge|
- Sinus Rhythm
- Normal (~40 deg)
- PR - Normal (~200ms)
- QRS - Normal (80-100ms)
- QT - 320ms (QTc Bazette ~ 350 ms)
- Slight Concave ST Elevation V1-3
- U Waves V2-4
- Notching of QRS Complexes seen best in V3, III
- Q wave aVL looks >25% of associated R wave (Thanks Jason)
- Compared with last weeks ECG resolution of features of WPW
- Intermittent Pre-Excitation
In his comments on this week's ECG Jason has mentioned 'Loss of Precordial T-Wave Balance' and 'NTTV1' to find out more about this check out Amal Mattu's video here.
References / Further Reading
Life in the Fast Lane
- Wolff-Parkinson-White here
- Wakita R, Takahashi M, Ohe C, Kohase H, Umino M. Occurrence of intermittent Wolff-Parkinson-White syndrome during intravenous sedation. J Clin Anesth. 2008 Mar;20(2):146-9. PMID: 18410873
- Chan TC, Brady WJ, Harrigan RA, Ornato JP, Rosen P. ECG in Emergency Medicine and Acute Care. Elsevier Mosby 2005.