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==Pericarditis==
==Pericarditis==
[[Image:Stadia_pericarditis.png|thumb| Several stages of pericarditis]]
[[Pericarditis]]
[[Image:ptadepressie.png|thumb| This enlargement shows clear PTa depression]]
[[Image:ptadepressieecg.png|thumb| The 12 lead ECG of this patient shows PTa depression, but no ST elevation]]
[[Image:12leadpericarditis.png|thumb| Another 12 lead example of pericarditis.]]
 
[[w:Pericarditis|Pericarditis]] is an inflammation of the pericardium. This can lead to ST elevation in all leads. Therefore, it is important to distinguish pericarditis from a [[myocardial infarction]], which has more acute complaints and ST-elevations are limited to the infarct area.
 
In pericarditis four stages can be distinguished on the ECG:
*stage I:    ST elevation in all leads. PTa depression (depression between the end of the P-wave and the beginning of the QRS- complex)
*stage II:  pseudonormalisation (transition)
*stage III:  inverted T-waves
*stage IV:  normalisation
 
Keep into account that in stage I pericarditis, ST-elevation is present in all leads except in aVR, V1 and III.
{{clr}}


==Myocarditis==
==Myocarditis==
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