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What is ST elevation is seen in all of the following conditions except and explain in detail?
Ischemia/myocardial infarction Noninfarction, transmural ischemia (Prinzmetal's angina, and probably Tako-tsubo syndrome, which may also exactly simulate classical acute infarction) Acute myocardial infarction Postmyocardial infarction (ventricular aneurysm pattern) Acute pericarditis Normal variants (including benign "early repolarization" patterns) Left ventricular hyperophy/left bundle branch blocka Other (rarer) Acute pulmonary embolisma Ref Harrison 20th edition pg 1546