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- Sinus arrhythmia
- PR - Short (100ms)
- QRS - Prolonged (140ms)
- QT - 400ms (QTc Bazette 400 ms)
- ST Elevation leads aVR, V1-4
- ST Depression leads I, II, III, aVF, V5-6
- Voltage criteria for LVH
- Delta waves best seen infero-laterally
- Wolff-Parkinson-White Syndrome
- ST segment changes proportional and discordant to QRS direction
- Anteroseptal pathway (Arruda Algorithm)
What happened ?
The patient had known WPW and serial ECG's and biomarkers were negative and he was referred for an out-patient provocation test.
References / Further Reading
Life in the Fast Lane
- Chan TC, Brady WJ, Harrigan RA, Ornato JP, Rosen P. ECG in Emergency Medicine and Acute Care. Elsevier Mosby 2005.