<prompt> ST segment elevation in ECG is not seen in?PericarditisHyperkalemiaHypocalcemiaHypothermia  <response>: Hypocalcemia REF: Harrisons Principles of Internal Medicine 17th ed-chapter 221 Hypercalcemia not hypocalcemia causes ST segment elevation on ECG DIFFERENTIAL DIAGNOSIS OF ST SEGMENT ELEVATIONS Ischemiamyocardial infarction Non infarction, transmural ischemia Prinzmetals angina, and possibly tako-tsubo syndrome Acute myocardial infarction Post myocardial infarction ventricular aneurysm pattern Acute pericarditis Normal variant early repolarization pattern Left ventricular hyperophyleft bundle branch blockage Myocardial injury Myocarditis Tumor invading left ventricle Trauma to ventricles Other rarer Brugada pattern right bundle branch block-like pattern with ST elevations in right precordial leads Class 1C antiarrhythmic drugs DC cardioversion Hypercalcemia Hyperkalemia Hypothermia J waveOsborn waves 