Pericarditis ECG signs
Immediate ECG changes (stage1)
- Widespread, saddle shaped ST elevation (except AvR and lead 1)
- PR interval depression (except AvR and lead 1)
- Reciprocal changes in lead 1 and AvR.
- Sinus tachycardia due to pain or effusion.
(taken from: http://cdn.lifeinthefastlane.com/wp-content/uploads/2011/03/V5-pericarditis.jpg)
1-3 weeks (stage 2)
- Flattened T waves, no ST elevation or PR interval depression.
3- several weeks (stage 3)
- Inverted T waves
several weeks + (stage 4)
- ECG returns to normal
*not all patients go through the later stages of ECG changes.
http://lifeinthefastlane.com/ecg-library/basics/pericarditis/ (this is a brilliant site!)
http://emedicine.medscape.com/article/156951-overview
http://lifeinthefastlane.com/ecg-library/basics/pericarditis/ (this is a brilliant site!)
http://emedicine.medscape.com/article/156951-overview
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