<prompt> ST segment elevation on EKG is not seen inEarly repolarization variantConstrictive pericarditisVentricular aneurysmPrinzmetal angina  <response>: Causes of ST-segment elevation are as follows: 1. Ischemiamyocardial infarction a. Noninfarction, transmural ischemia Prinzmetals angina, and Takotsubo syndrome b. Acute MI c. Postmyocardial infarction ventricular aneurysm 2. Acute pancarditis 3. Normal variant early repolarization pattern 4. Left ventricular hyperophyleft bundle branch block 5. Rare causes a. Brugada pattern b. Class-1c antiarrhythmic drugs c. DC cardioversion d. Hypercalcemia e. Hyperkalemia f. Hypothermia J waveOsborne waves g. Myocardial injury i. Myocarditis J. Tumor invading left ventricle K. Trauma to ventricles Ref - Harrison;s principles of internal medicine 20th ed pg 1680 