Embolism Myocardial Infarction Pericarditis 
Dr. Smith's ECG Blog
AUGUST 24, 2012
But there was some doubt as to whether it might be pericarditis because of the ST elevation in I and II, without ST depression in III. Add that to "sharp" pain and a 33 year old, and it is easy to convince yourself that this is, indeed, pericarditis. This is a good sign for myocardial infarction and does not happen in pericarditis.
Dr. Smith's ECG Blog
MARCH 11, 2016
Appearance of abnormal Q waves early in the course of acute myocardial infarction: implications for efficacy of thrombolytic therapy. Both of these are very suggestive of " No-Reflow ," or poor microvascular reperfusion due to downstream embolization of microscopic platelet-fibrin aggregates. The ECG in myocardial rupture 94.
Dr. Smith's ECG Blog
NOVEMBER 13, 2022
This is a bad ST vector orientation, because it causes widespread STE and one of the most important mistakes that needs to be avoided here is thinking of the diagnosis of pericarditis. Such an out-of-proportion STE is virtually never seen in pericarditis. Considerations on the naming of myocardial infarctions. 2019.09465.
Dr. Smith's ECG Blog
JANUARY 17, 2024
The initial computer and final cardiology interpretation was a differential: “ST elevation, consider early repolarization, pericarditis, or injury.” Hyperacute T waves can be a useful sign of occlusion myocardial infarction if appropriately defined. But STEMI criteria ignore all this and look at ST segments in isolation.
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